Chengguan District, Lanzhou, Gansu, China sales01@liwei-chem.com 1557459043@qq.com
Follow us:



Various Grades Of Microcrystalline Cellulose: BP, EP, USP Pharma Grade

Historical Development

Microcrystalline cellulose didn’t show up in pharmaceutical science overnight. The 1950s held that breakthrough, thanks to FMC Corporation’s research looking to rework cellulose for uses that went well beyond the paper and textile mills. Folks before that used wood pulp for everything from books to boxes, but nobody pictured turning wood pulp into a pharmaceutical star. Once the team realized hydrolyzed cellulose powder could improve tablet quality and compression, microcrystalline cellulose moved quickly from the lab to real medicine production. Over decades, grades specific to British Pharmacopoeia (BP), European Pharmacopoeia (EP), and United States Pharmacopeia (USP) took shape to meet regulatory needs across different continents. With each change of the guidelines, manufacturers sharpened their techniques, tuned particle sizes, and improved purification. Today, production tracks strictly to standards, with heavy audits and documentation supporting every step, and all of it built on almost seventy years of trial and error.

Product Overview

Every bottle of microcrystalline cellulose on a pharmacy shelf has a backstory filled with chemistry, paperwork, and strict oversight. Obvious differences in pharmaceutical grade refer back to slightly different definitions in BP, EP, and USP. Each region asks the same question: Can this batch safely bind, disintegrate, and improve tablets, capsules, or oral powders? This grade of excipient stands apart from lower grades intended for food or industrial manufacture thanks to stricter microbiological controls, specific particle size distributions, moisture content limits, and tight regulation of contaminants like heavy metals or variable residual acid. Pharmacies, compounding centers, and manufacturers count on product traceability, with lot numbers, certificates of analysis, and clear labeling. If it can’t guarantee reproducibility, it doesn’t get through QC, let alone reach a patient.

Physical & Chemical Properties

The first thing to notice about pharma-grade microcrystalline cellulose is its appearance: fine white powder, almost soft between the fingers, but gritty on the tongue. It smells like almost nothing and doesn’t dissolve in water or most organic solvents. The trick happens in compression—each tiny particle locks with others to form a tough but breakable compact, letting it transform active pharmaceutical ingredients into swallowable tablets. On a chemical scale, it’s a straightforward polysaccharide made up of β-1,4 linked glucose units. No one can overlook its effect on water retention: it can soak up a fair bit before it ever clumps, helping tablets stay hard enough to handle but able to break apart in water. Its pH sits close to neutral, so it doesn’t upset sensitive drugs or digestive systems. And, whether in France, India, or the US, the top-end grades always hit strict targets for density, ash content, and particle size.

Technical Specifications & Labeling

British, European, and US agencies put their own stamp on specifications, but some values show up everywhere. Typical labels will note moisture (limit around 5%), bulk density (betting on efficient tablet machinery), particle size (often 20-200 microns), and loss on drying. Every package describes origin, batch number, storage instructions, and meets labeling rules covering country of manufacture and contact information for complaints. Specifications need more than just what goes in the bag; they include proof of microbial testing, limits for pathogens, absence of allergens, and documentation for anyone tracking supply chain transparency. Labels need to outlast the product shelf life, with barcodes supporting inventory audits and quick recalls if required.

Preparation Method

Producing microcrystalline cellulose for medicines needs more than one step: crushing, hydrolyzing with dilute mineral acid (usually hydrochloric), filtering, washing, neutralizing, and drying. The raw material—usually wood pulp or cotton linters—heads through acid hydrolysis at controlled temperature and time, stripping off shorter cellulose fragments and leaving behind tough, rod-like microcrystallites. Hard science keeps contaminants out, since even trace metal residues can jeopardize biocompatibility. Once the hydrolysis ends, filtration and repeated washing ensure no acid remains in the powder. Drying follows, using either vacuum or air spray, and sometimes granulation for grades intended for direct compression. All through these stages, careful record-keeping and frequent in-process controls keep the batch within regulatory specs. It takes precision to scale this up from bench-top to industrial reactor, since small process changes can throw off particle integrity or leave trace amounts of acid.

Chemical Reactions & Modifications

Hydrolysis forms the backbone of microcrystalline cellulose preparation, but new research explores chemical tweaks to widen the range of applications. Some labs test limited oxidation to help water absorption in moisture-sensitive tablets, or esterification to tune matrix release in sustained-release formulations. For biotechnology, researchers attach ligands to the surface, turning plain cellulose into scaffolds for enzyme immobilization. Modified celluloses like carboxymethylcellulose or hydroxypropyl cellulose appear, broadening the list of possible blends and sometimes offering better fluidity or wettability. These changes walk a narrow line—minor modifications can help in complex drug formulations, but too much chemical change risks losing the basic safety-efficacy guarantee that global pharmacopoeias demand. Most pharma batches stick to unmodified microcrystalline cellulose, relying on excipient blends or process tweaks if tablets need slower or faster dissolving abilities.

Synonyms & Product Names

Microcrystalline cellulose goes by many names, shaped by industry habits and marketing strategies. Common synonyms include MCC, cellulose gel, and E460(i) in food regulation. Major suppliers brand their top pharma products with unique trade names like Avicel, Vivapur, Emcocel, Ceolus, and Tabulose. These allow professionals to quickly identify particle size, density, or compressibility at a glance. Pharmacopoeias refer to monographs (Microcrystalline Cellulose in USP; Cellulosum Microcristallinum in Ph. Eur.). The synonym list found on product labels or Certificates of Analysis helps prevent confusion between grades suitable for food, industry, or high-purity pharmaceutical manufacture, given how much depends on tiny technical distinctions.

Safety & Operational Standards

Pharmaceutical plants keep strict controls in place for handling microcrystalline cellulose. Rooms need HEPA filtration, air-quality monitoring, and tight temperature and humidity control. Personnel wear gloves, coveralls, and sometimes masks to keep both powder and people safe, since fine dust can irritate airways with enough exposure. OSHA and similar bodies around the globe outline worker protection rules for all excipients, especially powders, to prevent inhalation risks or cross-contamination. Firing up big equipment, from blenders to tablet presses, always involves batch validation and cleaning logs, making sure no leftover powder from one batch contaminates the next. For the patient, published pharmacopoeial grades have such high purity that allergic or toxic reactions are rare, and safety studies track chronic exposure in case studies. Each warehouse keeps emergency protocols in place in case of spills or fires, with regular drills based on actual incident data. Traceability forms the core of recall action—knowing where every kilo starts and ends up.

Application Area

Physicians and drug formulators see microcrystalline cellulose show up in nearly everything solid-dose: tablets, capsules, chewables, lozenges. Its strengths shine for binding action in direct compression, helping active drugs stick together without glues or wet granulation processes. It supports fast-dissolving tablets, allowing drugs like acetaminophen or ibuprofen to break apart quickly after swallowing, while still offering support for slow-release medicines through matrix technology. Nutritional supplements rely on it just as much, since direct blending with vitamins, minerals, and herbal extracts simplifies production and keeps pill shapes reliable. Medical devices like wound dressings or absorbent pads take advantage of its water-holding ability and bioinert nature. Its use stretches to food, but those batches run under a different purity standard. In the lab, young researchers grab pharma-grade cellulose to model powder flow, blending, and even as a supporting substrate for tissue engineering.

Research & Development

Research into microcrystalline cellulose never stops, whether the aim is smoother tablet presses or new biomedical materials. Academic labs probe fiber size, porosity, and morphology using SEM, FTIR, or x-ray crystallography to link subtle changes to big shifts in mechanical properties during tableting. R&D projects explore pre-mixed blends with new lubricants and superdisintegrants, seeking even faster drug release or improved palatability. Engineers design new reactors for more sustainable, lower-waste hydrolysis, pressured by both regulatory bodies and the global push for greener pharmaceuticals. Recent years saw startups trying to make microcrystalline cellulose from recycled sources, including agri-waste, reducing environmental impact from logging or cotton farming. Industry collaborations across continents drive technology transfer, unlocking minor improvements that scale up quickly. Labs conduct stability studies exposed to heat, humidity, or mechanical agitation, ensuring tomorrow’s tablets hold up as well as today’s over their full shelf life, no matter the weather.

Toxicity Research

Microcrystalline cellulose enjoys a strong safety record worldwide. Toxicologists haven’t found evidence of carcinogenicity, mutagenicity, or reproductive harm across animal models, and FDA classifies it as generally recognized as safe (GRAS). Even when pharmaceutical consumption climbs well above typical dietary exposure, human case reports or epidemiological studies almost never turn up credible adverse effects. Any batch showing signs of microbial contamination or excess residues doesn’t make it past quality control. Ongoing studies monitor for fine dust exposure among production staff. The real toxicity risks tend to rest not with microcrystalline cellulose itself, but with potential contaminants—from unpurified starting material to poor warehouse management. Cleanroom environments, rigorous testing, and validated cleaning steps form the core of best practice, backed by decades of published literature in toxicology journals. Companies ship hundreds of metric tons each year under strict supply chain controls, so harmful slips remain rare exceptions.

Future Prospects

Microcrystalline cellulose keeps finding new roles as pharmaceutical and biomedical needs evolve. Research teams eye bioactive coatings and functionalized surfaces, hoping to anchor drugs or growth factors for targeted delivery. 3D printing promises new solid-dose formats, and cellulose-based powders could help print customized drugs or tissue scaffolds right in hospitals. Efforts to minimize excipient use in ultra-miniature tablets push engineers to find ways for microcrystalline cellulose to carry even more responsibility—binding, swelling, and release control at smaller doses. Sustainability grows in importance, so interest shifts to renewable raw sources and more eco-friendly hydrolysis methods. Machine learning and materials informatics help predict batch behavior before mixing ever starts, letting better grades reach the market with fewer failures. Global harmonization of pharmacopoeia specifications may smooth trade, reducing duplicative paperwork and opening up options for low-cost, high-purity batches in emerging economies. As more therapies turn toward personalized dosing or innovative delivery, this old wood-based powder holds onto its place in medicine cabinets around the world.




What is microcrystalline cellulose and what are its main pharmaceutical uses?

Where Science Meets Medicine Cabinets

Look at any over-the-counter painkiller box. Chances are, microcrystalline cellulose shows up near the top of the ingredient list, right next to familiar names like acetaminophen. But most people never ask what it does or why it matters. From my years working in the health tech space, I’ve come to see microcrystalline cellulose as one of those behind-the-scenes players that keeps the whole operation running smoothly.

The Ingredient No One Talks About—But Everyone Swallows

Microcrystalline cellulose starts out as wood pulp. Chemists treat it to break the fibers into tiny, crystalline pieces, creating an inert, white powder. Unlike more mysterious additives, this material doesn’t get absorbed or digested. That makes it incredibly safe, which is why regulators across the globe sign off on it. The American Food and Drug Administration classifies it as “Generally Recognized as Safe,” and that stamp of approval comes with years of research to back it up.

Holding It All Together

Forget magic or glue—what microcrystalline cellulose does best is stick pills together. When it blends with an active drug and a bit of water, it turns into a dense, pressed solid. That’s how tablets avoid crumbling in your hand or the bottom of your purse. This powder also helps with consistency in how much actual medicine appears in each tablet. If you’ve ever counted on a painkiller for relief, you can thank ingredients like this for making the dosage accurate.

More Than Just a Filler

It might look like an ordinary additive, but there’s engineering in every tablet. Microcrystalline cellulose makes drugs cheaper and faster to produce. Machine feeders love the way the powder moves through hoppers without clumping. Pharmaceutical companies can change the ratio to adjust how fast or slow a pill dissolves in your stomach, affecting how your body absorbs it. Some drugs work best over hours instead of minutes, and this one ingredient helps tailor that performance.

The Trouble with Additives

In my own experience, I hear people say they want “all-natural” or “additive-free” medicine. Trends like clean-label products raise real questions about extra ingredients in daily life. Yet, so far, scientists see very few problems linked to microcrystalline cellulose. Most allergy issues point to other compounds. Still, the pharmaceutical world should communicate more clearly about why these ingredients show up in the first place. If patients understand the real reason—a better pill, not a sneaky preservative—they can make smarter choices.

What Comes Next?

Demand for new drug formulations keeps rising, especially as more people take medicines every day. Researchers keep testing alternative plant fibers and looking for new ways to make tablets dissolve in exactly the right spot in the digestive tract. If a better binder ever comes along, pharmaceutical firms need to jump on it. But so far, microcrystalline cellulose gets the job done and has earned its place as a safe, reliable backbone of tablet medicine.

Trust Built on Science

Nothing in health should go on faith alone. Any material in medicine needs clear, public evidence supporting every claim. I always read studies from trusted medical journals and look for regulatory approval before recommending anything. Microcrystalline cellulose has built a track record showing its value through decades of real-world use, and—unless new research shows otherwise—it remains an unsung hero in every medicine cabinet.

What are the differences between BP, EP, and USP grades of microcrystalline cellulose?

What's Behind These Pharmaceutical Grades?

People often see products labeled with BP, EP, or USP grades, especially in the pharmaceutical aisle. Most never wonder what these letters actually mean for the microcrystalline cellulose packed in supplements and tablets. With a background in pharmaceutical formulation, I’ve seen questions crop up among students and colleagues alike. The choices you make at the grade level ripple down to quality, compliance, and even patient health.

Key Standards: BP, EP, and USP

BP refers to the British Pharmacopoeia. EP stands for European Pharmacopoeia. USP is the United States Pharmacopeia. These organizations publish official ingredient standards, after rigorous scientific review, and they're updated every year or two. Their role may sound dry, but these compendia shape every batch a manufacturer releases. Think about it: every cough tablet or vitamin pill depends on standards someone agreed on in a crowded meeting room.

My own work involved vetting excipient sources for a big generics company. From early discussions, it became clear that not all suppliers meet the same bar. For instance, BP, EP, and USP set different requirements for testing moisture, residues, heavy metals, and even the process to determine particle size.

What Sets Each Grade Apart?

The USP loves precise definitions of purity and identity. Certain tests, such as those for acidity, are mandatory for any material labeled USP grade in North America. USP focuses tightly on known impurities and microbial limits, mostly guided by FDA requirements for American drugs.

BP sticks mostly to UK regulatory needs. Some limits, like for certain heavy metals or identification tests, can line up with the EP, but the details matter. For years, the BP test for water content produced slightly different results than the USP one. If your QA process missed that, batch release could be delayed for weeks as the regulatory folks sorted out discrepancies.

EP, covering the broader European market, blends approaches from multiple countries. The EP sets more requirements for substances like oxidizing impurities or bacterial endotoxins than some other compendia. European inspectors will also double-check documents at the dock. I've read firsthand audit reports where a “USP-only” certificate of analysis triggered extra scrutiny in France or Germany.

Why Does This Matter?

If a medicine manufacturer picks the wrong grade, importers can reject shipments. Patients could end up with products pulled from shelves, causing shortages. Meeting local requirements means fewer surprises, more trust from health regulators, and stronger supply chains. Once, in the middle of a project sourcing microcrystalline cellulose for both EU and US distribution, I saw teams scramble to align test methods. Only some grades satisfied both sets of requirements, and simply picking “pharma grade” didn’t cut it.

Differences might look small—a tweak in moisture limit here, a microbial test there—yet these decide if a raw material sails through quality checks or land in quarantine. If someone’s job depends on certificates moving across borders each week, these small differences make big waves.

Solutions for Buyers and Manufacturers

Smart teams start upstream. Instead of relying on a supplier’s word, audit the actual laboratory methods used. Insist on certificates of analysis showing the right grade, not just a general “pharmaceutical grade.” Sometimes, dual-certified products work best, saving paperwork and headaches at customs. If you supply both North America and Europe, dual compliance costs more upfront but saves you in re-testing, rejected batches, or even regulatory penalties.

Staying updated on new editions of BP, EP, and USP can catch changes in limits before they disrupt a batch. This means scanning alerts, retraining staff, and making sure documentation matches finished product needs in every region. From a personal angle, passing audits after so much prep always felt like a small victory. It’s worth every minute spent understanding microcrystalline cellulose and its three-letter grade.

How do you ensure the quality and compliance of your microcrystalline cellulose with pharmacopeial standards?

The Stakes in Quality Control

Many folks who work with pharmaceuticals know how much rides on ingredient quality. Microcrystalline cellulose, that white, powdery stuff found in so many tablets, doesn’t get much fanfare. Yet, if its quality drops, the whole batch might face rejection. I’ve seen production lines grind to a halt because a cellulose supplier sent material that didn’t match the established specification. It costs time and money, but more than that, it risks consumer trust.

Why Pharmacopeias Matter

The United States Pharmacopeia (USP), European Pharmacopoeia (Ph. Eur.), and other standard books serve as a set of agreed-upon rules in the drug world. No one chooses these standards for fun. Regulators and finished drug makers rely on them to keep dangerous products off shelves. For manufacturers, this means every batch of microcrystalline cellulose must stay within the given fat, protein, and contamination limits. Getting lax turns into warning letters from FDA inspectors or—worse—forced recalls.

Quality From the Ground Up

Cellulose suppliers carry a lot of weight on their shoulders. It starts well before a batch enters the mill. Sourcing quality wood pulp lays the groundwork. Employees in these facilities need training to spot shifts in raw material. One missed contamination, and that run is done. At every phase, teams sample, test, and maintain records. I’ve watched as skilled technicians use FTIR, loss-on-drying setups, and microscopes to spot outliers. They stay relentless about tracking trends in moisture levels and particle sizes. This kind of vigilance avoids gambling with people’s health.

Testing and Documentation: Both Are Non-Negotiable

Document controls show up in every audit. If a plant skips a step, regulators catch on quickly. The best places run tablets through bench-scale compression, check flow and density, and test pH and chemical composition with each lot. Finished product tests don’t just sit in a file cabinet; they get reviewed regularly for patterns that hint at trouble. Paper trails show which technician ran which test, so problems don’t slip through the cracks. In my experience, investing in lab time upfront prevents “surprises” that lead to product recalls later on.

Training and Culture Build Compliance

No one tool saves the day alone. I’ve seen places that pick up expensive analytical equipment but forget about ongoing training. Everyone, from the person cleaning production floors to senior QC managers, must know what valid, pharmacopeial-grade product looks like. Building that attention to detail into the workplace culture makes a difference. You can spot it—the plant smells clean, people talk openly about problems, and process tweaks happen quickly. These places ship consistent product, avoid regulatory headaches, and keep their customers loyal.

Improving with Data

Factories in this business generate piles of numbers. The best-run outfits don’t let this data gather dust. Statistical process control, reviewed weekly, flags trends before they turn into trouble. Batch records highlight which mills or shifts keep showing up in out-of-spec reports. Adjustments on the floor—maybe a drying cycle tweak, maybe a filter replacement—keep the entire operation steady. Sharing these improvements across teams makes the next batch better, one step at a time.

Looking to the Future

Advances in sensors, real-time monitoring, and automated data logging help, but nothing replaces boots-on-the-ground experience. Pharmacopeial compliance draws strength from both innovation and tradition. Lessons learned in the lab, the mill, and the boardroom all feed into a safer supply chain. The public may never think about microcrystalline cellulose, but those making it can’t afford to relax on quality, not for a moment.

What are the typical applications and dosage forms for microcrystalline cellulose in pharmaceuticals?

What Microcrystalline Cellulose Actually Does

Walk through any pharmacy; open almost any tablet bottle, and you’ll find microcrystalline cellulose listed among the ingredients. Sometimes it’s abbreviated as MCC. It doesn’t get the spotlight, but it keeps pills in one piece and makes them easier to swallow. With over sixty years of use, MCC has become a true workhorse for tablet makers.

Where It Shows Up and Why

MCC packs a punch in pressed tablets. Picture aspirin, acetaminophen, or your daily multivitamin — all rely on MCC’s binding power. The industry likes it because it helps powders stick together so tablets don’t crumble or fall apart the moment you touch them. Making tablets without MCC? You’d end up with dusty, fragile pucks instead of tidy, uniform pills.

Cough lozenges, chewables, and even some dietary supplements stick with MCC. Its plant-derived nature (mostly refined wood pulp) offers a neutral taste and resists moisture, which helps pills keep their shape on a humid summer day. For people with allergies or sensitivities, MCC rarely triggers problems. Its track record has earned it global regulatory approval.

Common Dosage Forms

Tablets take the main stage, but MCC also helps in capsules. It acts as a bulking agent, filling out the shell and avoiding waste space. Capsule-makers don’t want powder shaking loose inside — that’s where MCC steps in, improving stability inside those tiny gelatin shells. You’ll even catch it in oral powders meant for mixing with water. It stops clumping and lets powders pour better.

The direct compression method transformed tablet manufacturing, and MCC made that possible. By letting manufacturers skip messy wet mixing and go straight to pressing pills, MCC’s compressibility saves time and lowers costs. Drug manufacturers often blend it straight in, which speeds up production. This efficiency means lower machine wear and fewer recalls over broken tablets.

Typical Use Rates

Most tablet formulas use somewhere between 10% and 30% MCC by weight, though specialty tablets sometimes go higher. Too little, and you get tablets that won’t hold together. Too much, and you could see slower dissolving pills. This sweet spot has been tested by industry and fine-tuned by generations of pharmacists.

Why Quality Matters

All MCC is not the same. Its source, method of milling, and moisture levels can shift how tablets form and break apart. Pharmacopeias like the USP and EP set rules on purity and particle size, so companies pick suppliers based on trust and tight specs. This attention keeps patients safe and builds confidence in over-the-counter and prescription pills alike.

Occasionally, MCC shortages ripple through the supply chain. Manufacturers need alternatives that match the performance, but finding replacements that don’t affect pill strength or shelf stability poses challenges. Some experiment with starches or synthetic binders, but few options have MCC’s combination of safety, compatibility, and cost-effectiveness.

Onward: Meeting Demand and Raising Standards

Growing demand for generic drugs and personalized medicine will push manufacturers to use MCC more flexibly. People want gluten-free, allergen-friendly, and vegan medicines. Producers now source MCC that meets those extra needs, staying a step ahead as preferences shift.

Microcrystalline cellulose rarely grabs headlines. Still, without it, everything from simple vitamins to complex cancer therapies would look quite different in your medicine cabinet. Even as newer technologies arrive, MCC’s reliability won’t fade anytime soon.

What are the packaging sizes and shelf life for your various grades of microcrystalline cellulose?

Breaking Down the Packaging Sizes

Pharmaceutical and food industries go through mountains of microcrystalline cellulose every day, using it to bind tablets or add bulk to foods. Packaging decisions say a lot about how companies handle materials that end up in people’s hands or on their dinner tables. The bulk market tends to stick with the tried-and-true: woven polypropylene bags lined with polyethylene, usually in 20 kg or 25 kg sizes. These bags offer enough muscle to keep out moisture and physical damage during long hauls from factory to warehouse. Some companies ship larger, 500 kg to 1,000 kg jumbo/flexible intermediate bulk containers, usually to industrial buyers who need huge batches and have the storage space to match.

I’ve worked in a formulation lab and remember how splitting up these large bags for small batch work chews up time and adds risk of spillage or contamination. For higher-value or sensitive grades, like those used in direct compression for specialty tablets, smaller 5 kg or 10 kg drums become appealing. These drums, often made of fiber or polyethylene, lock out more moisture and stay manageable in smaller rooms. User experience often points out that once a bag is opened, quality can drop pretty fast if there’s any cut corner on resealing.

Packaging for microcrystalline cellulose does more than look pretty or slap on a barcode. Everything from the kind of liner used to the method of closing the bag protects both the powder and the final product it's going into. Some producers add tamper-evident seals or even gas-flush the inner packaging for the highest purity classes. Those steps reassure customers who have to defend every ingredient to safety auditors and regulators. It's not lost on anyone in the industry that better packaging prevents headaches down the road.

Looking at Shelf Life and Freshness

If you think cellulose lasts forever, think again. The clock starts ticking as soon as the powder leaves the dryer. Most companies set the official shelf life between three and five years from the manufacturing date. The length depends a lot on moisture sensitivity, storage conditions, and—once again—the packaging. I’ve seen batches stored in damp warehouses fail tests before two years passed, especially in climates with high humidity or temperature swings. Microcrystalline cellulose absorbs water like a sponge if left in poorly sealed bags, which can clump the powder or spark microbial growth. Either can ruin a pharmaceutical batch or cause product recalls.

Inside a climate-controlled area, unopened bags survive the whole advertised shelf life, as long as you keep them off the floor and away from sunlight. Once opened, though, the race against air and moisture begins. Some labs split opened bags into airtight containers with silica gel packs to buy more time. Pharmaceutical guidelines require regular testing for moisture, microbial load, and appearance during storage, so careful records and checks become part of the job. If you don’t trust your storage, you can lose a lot more in wasted batches or compliance issues than what you save cutting corners on packaging or practices.

Practical Steps for Better Handling

Getting the most out of microcrystalline cellulose starts with asking the right questions before purchase. Does the supplier provide multilayer packaging or just basic single-layer bags? Are smaller sizes available to reduce the risk of opening large amounts? Once the shipment lands, facilities with steady climate control and strict first-in, first-out rotation dodge the shelf life risks better than places where boxes sit forgotten.

Training staff on resealing, sampling, and quick visual checks also extends shelf life. I’ve seen companies bring in electronic humidity meters just to make sure storage rooms stay in the safe zone. Policies on splitting larger batches into airtight sub-containers make a difference, especially for high-purity or pharma-use cellulose. It costs less to do these things right than to deal with failed batches, complaints, or regulatory headaches later down the line.

Paying attention to packaging and storage, companies keep microcrystalline cellulose ready for action, avoid product waste, and protect both their bottom line and reputation. These details, backed by solid data and good practice, show respect for everyone—lab worker, factory hand, and patient alike.

Various Grades Of Microcrystalline Cellulose BP EP USP Pharma Grade
Names
Preferred IUPAC name Cellulose, microcrystalline
Other names Cellulose gel
Cellulose microcristallina
Avicel
E460
MCC
Microcristalline Cellulose
Microcell
Emcocel
Pronunciation /ˌvaər.i.əs ɡreɪdz əv ˌmaɪ.kroʊˌkrɪs.təˈlaɪn ˈsɛl.juˌloʊs ˌbiːˈpiː ˌiːˈpiː ˌjuːˌɛsˈpiː ˈfɑːr.mə ɡreɪd/
Identifiers
CAS Number 9004-34-6
Beilstein Reference 39354
ChEBI CHEBI:31841
ChEMBL CHEMBL1201780
ChemSpider 7014
DrugBank DB09439
ECHA InfoCard 03bab97d-3e6c-41c6-859a-673f5be94920
EC Number 9004-34-6
Gmelin Reference 130834
KEGG C16261
MeSH D002491
PubChem CID 57404
RTECS number MN9150000
UNII KGJ60SUL8L
UN number UN3077
CompTox Dashboard (EPA) CompTox Dashboard (EPA)": "DTXSID50888544
Properties
Chemical formula C6H10O5
Molar mass 180.16 g/mol
Appearance White or almost white, fine or granular, odorless powder
Odor Odorless
Density 0.6 g/cm³
Solubility in water Insoluble in water
log P 0.03
Thermochemistry
Std molar entropy (S⦵298) 344 J·mol⁻¹·K⁻¹
Std enthalpy of formation (ΔfH⦵298) ΔfH⦵298 = -947 kJ/mol
Std enthalpy of combustion (ΔcH⦵298) -27974 kJ/kg
Pharmacology
ATC code A07BC01
Hazards
Main hazards Not regarded as a health hazard under current legislation.
GHS labelling GHS labelling: Not classified as hazardous according to GHS.
Pictograms GHS07
Signal word No signal word.
Hazard statements No hazard statements.
NFPA 704 (fire diamond) NFPA 704: 1-1-0
Autoignition temperature 160°C
LD50 (median dose) LD50 (median dose): >5000 mg/kg (rat, oral)
NIOSH Not Listed
PEL (Permissible) 10 mg/m3
REL (Recommended) Not Established
IDLH (Immediate danger) Not listed / Not established
Related compounds
Related compounds Cellulose
Cellulose powder
Cellulose ether
Carboxymethyl cellulose
Ethyl cellulose
Hydroxypropyl cellulose
Hydroxypropyl methylcellulose
Methyl cellulose
Powdered cellulose