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Mannitol BP EP USP Pharma Grade: Insight into History, Properties, Production, and Prospects

Historical Development

Mannitol has a story that runs alongside progress in both food and pharmaceutical science. Chemists first pulled it out of plant sources, mostly from flowering ash, and gave it a try as a sweetener. Early pharmacopoeias from Europe, India, and China describe its use well before the industrial world realized it could fix problems in medicine and not just in kitchens. Over the years, demand soared for a product that could serve in sensitive applications, and regulatory bodies built stringent standards—hence the recognition by BP (British Pharmacopoeia), EP (European Pharmacopoeia), and USP (United States Pharmacopeia). This transition from folk medicine staple to global pharmaceutical workhorse owes a lot to improvements in purification, safe production, and ongoing evaluation by scientists who watched for both benefit and risk.

Product Overview

Mannitol BP EP USP Pharma Grade shows up as a white, crystalline powder. Its taste reminds you of sugar but it does not spike blood glucose, opening doors for use in products made for diabetes management or low-calorie foods. Most pharmaceutical companies count on it for a clean, reliable excipient that won’t interact with active ingredients in unpredictable ways. It's not just filler—the properties it brings change how drugs behave in the body, support stability, and even affect how tablets break apart when swallowed. Years of investigation help ensure that each batch, whether made in Asia, Europe, or North America, measures up against published pharmacopeial standards.

Physical & Chemical Properties

Mannitol’s formula—C6H14O6—translates to a six-carbon sugar alcohol. It wrestles water out of its way quite well, so pills stay dry in storage. Melting sets in at around 166–170°C. Crystals look needle-like under a microscope, a fact that helps industries predict how it will flow, blend, and compress into tablets. Mannitol resists breaking down when exposed to acids or bases. It tastes sweet without the aftertaste that sometimes comes from other sugar substitutes, and it lacks that typical stickiness common to many polyols.

Technical Specifications & Labeling

Tablets often list mannitol near the top among excipients for a reason. Pharmaceutical standards lay out strict tests: clarity of solution, loss on drying, assay (typically between 98% and 102%), specific rotation, sulfated ash, residual solvents, heavy metals, microbial limits, transparency, and foreign matter. No coloring or additives sneak into pharma grade batches. Proper labeling sticks to international rules—listing pharmacopoeial status, batch number, manufacturing and expiry dates, and storage instructions. This transparency lets anyone tracing a sample back to its source track the precise origin and test results against required benchmarks.

Preparation Method

Producers commonly start with starch or sucrose-rich natural feedstocks—think of wheat, maize, or even seaweed. They hit the raw material with high-pressure hydrogen in the presence of nickel, ruthenium, or platinum catalysts. This hydrogenation transforms fructose or glucose into mannitol. Next, a crystallization step leaves mannitol behind, after which several rounds of purification and drying yield the pharma-grade powder. Modern processes avoid toxic byproducts, chase high efficiency, and run closed systems to hold down contamination rates, supporting the strict regulatory expectations of pharma manufacturing.

Chemical Reactions & Modifications

Once in the lab, mannitol serves as more than an end product. Chemists use it to build esters or as a backbone for other molecules—dialdehydes, for example, can emerge under oxidation. Mannitol shows off its stability in most reactions, rarely decomposing unless hit with strong oxidizers at high temperatures. In drug delivery studies, attaching polymers or lipophilic groups to mannitol changes how drugs move in the body, forming the foundation for slow-release tablets or injectable agents designed to stay active longer. It does not form dangerous breakdown products in settings that match normal manufacturing or dosing conditions, which also cuts risk to humans and the environment alike.

Synonyms & Product Names

Mannitol answers to a handful of names, which surface on packaging, safety data sheets, and patent filings. These include D-mannitol, manna sugar, mannite, Osmitrol, and hexan-1,2,3,4,5,6-hexol. In commercial supply chains, some producers put forth brand names like Pearlitol, Mannogem, or Mannil. No matter the label, the chemical inside meets tight standards so that a pharmacist or regulator doesn’t need to second-guess composition or source.

Safety & Operational Standards

Safety counts most in health care and food. Countless studies back mannitol's low toxicity at prescribed doses. Factory workers need safeguards and training—exposure to dust in the air might cause discomfort or allergic response, but it does not result in chronic health damage with intermittent or short-term contact. Storage calls for dry, well-ventilated environments, away from acids, bases, and strong oxidizers. International standards press for rigorous documentation, batch traceability, and regular audits. Operators rely on everything from proper dust masks to closed conveyor systems just to cut down dust and keep quality consistent.

Application Area

The reach of mannitol in the pharmaceutical sector stands out most. Doctors use intravenous mannitol for emergency reduction of intracranial pressure in brain swelling. Tablet makers count on its pleasant mouthfeel in chewable pills for children, and it stands out in toothpaste as a sweetener that does not feed mouth bacteria. Beyond pharma, it sweetens sugar-free foods, keeps microorganisms from growing on fruits, and sometimes replaces glycerol in laboratory settings for growing bacteria and fungi. Its stability and safety profile open doors in both food and medicine.

Research & Development

Ongoing studies keep mannitol in the spotlight. Some focus on new drug formulations—a stable, non-reactive core makes it a strong option for direct compression tablets, speeding up timelines for generic drug makers. Diabetes researchers test its use in low glycemic foods for better metabolic outcomes. In neuroscience, studies investigate mannitol’s ability to open the blood-brain barrier briefly, letting treatments slip through where they normally would not pass. Emerging research considers mannitol-derived copolymers for tissue engineering scaffolds and nanomedicine carriers, building on its long stability record and easy modification.

Toxicity Research

Toxicologists stress-test mannitol at doses much higher than anyone would swallow in normal life. Rats and mice tolerate very high levels without tumor formation, organ changes, or strange blood results. Allergic responses occur, but usually only with excessive inhalation or rare sensitivity. Human studies over decades give little cause for concern, though there are documented reports of diarrhea and bloating if taken in abundance—just like other non-absorbable sugars. Scientists keep an eye on long-term industrial exposure, but current standards protect workers well.

Future Prospects

In my daily work across research and pharmacy partnerships, it’s clear that mannitol’s profile keeps it in demand as one of the few excipients nearly every regulatory body trusts. Its role in brain medicine, novel oncology delivery, and improved oral dosage forms keeps expanding. As new therapies, personalized medicine, and stricter purity demands rise, mannitol’s track record puts it front and center for companies aiming to meet those challenges without introducing unpredictable risks. Companies invest in cleaner production, better worker safety, and research into hybrid polymers, betting that tomorrow’s therapies will demand ingredients with proven reliability—both for function and for safety—backed by the kind of hard evidence regulators demand. Scientific thinking keeps pushing the envelope, and mannitol will likely find new footholds as more fields look for ingredients that punch above their weight.




What are the main pharmaceutical applications of Mannitol BP EP USP Pharma Grade?

Shaping Tablets That Patients Can Trust

Anyone who’s opened a bottle of pills probably hasn’t thought twice about what goes into a tablet besides the active ingredient. Yet, pharmacies and drug factories make millions of tablets every day, and they need compounds like mannitol to keep the process running. Mannitol, especially pharma-grade BP, EP, or USP varieties, brings something useful to the table – it helps shape and stabilize pills. Unlike sugar, it won’t draw in moisture from the air. In practice, that keeps pills from turning mushy sitting on a shelf or in a bathroom cabinet. I've seen generic tablets crumble or stick together when the wrong filler gets used, leading to quality complaints and wasted product. Quality mannitol helps avoid that mess.

Helping Medicine Taste Better

Medications for children and the elderly often require a sweetener to mask bitterness. Mannitol’s mild sweetness comes in handy, especially in chewable tablets and lozenges. Its cooling sensation makes the taste more bearable and even pleasant. I remember working at a community pharmacy and watching kids spit out medicine that tasted bad. Swapping in a mannitol-based lozenge made the dosing routine much smoother for parents and caregivers. The fact that mannitol doesn’t cause tooth decay lets doctors and dentists recommend these tablets without worry.

Vital in Injectable Medicines and Hospital Care

Hospitals rely on mannitol in a different way. Used intravenously, it acts as an osmotic diuretic. In plain language, this means doctors use it to draw fluid away from the brain after head injuries or to reduce eye pressure for certain surgeries. Mannitol BP EP USP grade must be ultra-pure since even small contaminants could harm vulnerable patients. Staff in emergency rooms and intensive care units depend on reliable mannitol solutions to give patients a fighting chance when fluid pressure becomes dangerous. Decades of clinical use back up its safety record. In these cases, cutting corners on quality can cause real damage.

Stabilizing Sensitive Drugs

Some injectable and inhaled medications break down quickly when exposed to moisture or heat. Mannitol stabilizes these treatments by absorbing excess water and providing a nonreactive base. Drug manufacturers leans on mannitol when making powder forms of medicines destined for reconstitution. My time supporting regulatory submissions taught me how strict the guidelines around impurities in excipients have grown. Consistent mannitol quality makes regulatory paperwork faster and simplifies approval for new treatments. Lower error rates also cut costs over the long run.

Supporting New Formulations and Medical Devices

The pharmaceutical industry doesn’t stand still. Mannitol plays a part in new delivery approaches—like fast-melt tablets for those who struggle with traditional pills, and dry powder inhalers for asthma. The way mannitol helps ingredients disperse evenly means patients get a steady dose with every puff or tablet. Scripts for these products have climbed as people demand convenience and better-tolerated options. Research teams use high-purity mannitol to invent these new forms, knowing it won’t interfere with how drugs act in the body.

Ensuring Consistent Product Quality

Without the right excipients, it’s hard for a company to deliver safe, effective medication time after time. Mannitol stands out for its proven track record and versatility across pill, powder, and injectable types. Strengthening supply chains for pharma-grade mannitol protects patients and boosts public confidence in generic and brand medicines alike. That’s a lesson I’ve learned each time a recall crops up – robust materials and vigilant suppliers keep everything running smoothly.

What is the typical purity specification for Mannitol BP EP USP grade?

Mannitol in the Pharma Industry: Why Purity Is Not Just a Number

Anyone looking at bulk materials for pharmaceuticals eventually runs across mannitol, a polyol used as an excipient, diluent, and in some cases a diuretic or dietary sweetener. The story always puts purity at the front: is this powder really what the label claims? Here’s where British Pharmacopoeia (BP), European Pharmacopoeia (EP), and United States Pharmacopeia (USP) standards come in. They publish specifications so everyone’s on the same page—whether that batch is headed for a tablet plant or direct patient care.

Mannitol BP/EP/USP grade targets a purity of at least 98% to 99%. This isn’t just a technicality. Trace impurities can change how a product works, which matters if you’re giving it to a patient with kidney trouble or mixing it into a prep for someone with allergies. On the factory floor, techs and analysts pore over analytical data to check these benchmarks before releasing any shipment. A typical BP/EP/USP document spells out the purity as “not less than 98% and not more than 101% calculated on the dried basis.” Most lots sit squarely in that 99%-plus range, because nobody wants a recall.

Why Precise Standards Shape the Final Product

In my own time working with pharmaceutical analysts, I saw how missing a required assay result—by even a tenth of a percent—meant hours of investigation and second guesses. High purity shields patients from unpredictable reactions. Mannitol that doesn’t meet these strict codes might carry too much microbial or heavy metal content, risking contamination or unwanted trace reactions inside the body.

Beyond purity, BP/EP/USP specs go deeper with requirements for substances like arsenic, lead, residual solvents, and reducing sugars. Limits for lead, for example, must stay below 0.5 ppm. This seems extreme until you remember how sensitive intravenous drug administration gets; one contaminant can affect brain, kidney, or blood chemistry. Safety isn’t about meeting the minimum. It’s about keeping risk off the table altogether.

How Manufacturers and Regulators Keep It Clean

Meeting these tough standards starts with quality raw materials and clean production lines. Manufacturers fight to avoid cross-contamination. Routine checks involve high-performance liquid chromatography, titration, and sometimes mass spectrometry for hard-to-catch contaminants. Official inspectors can land with little notice and grab samples straight from silos or packaging rooms. Any out-of-spec finding can mean halting all shipments until the answers come in.

Transparency also plays a part. Pharma buyers now demand succinct, detailed certificates of analysis that itemize assay results, microbial limits, and toxic metal screens. Some national authorities turn away shipments that fail to match documentation or show irregularities—border agencies have even destroyed non-compliant lots.

How Do We Improve? Solutions on the Table

If I’ve learned anything from years inside chemical supply, it’s that training and equipment investment pays off. Technicians comfortable with both traditional and modern analytical tools catch issues before materials ever leave the plant. Labs that keep up-to-date with internal reference standards and participate in external proficiency tests deliver stronger, more reliable results.

For buyers or pharmacies, questions matter. Ask the supplier how they handle data integrity and lot release. Request audit results and see if they use third-party labs for surveillance. Tighter batch testing, independent sampling, and real penalties for missed targets shape a market that treats purity as non-negotiable—even in something as “simple” as mannitol. Patients and the people who make their medicine both benefit down the line.

Is Mannitol BP EP USP Pharma Grade safe for use in injectable formulations?

Getting to the Heart of the Matter

Pharmaceutical conversations often drift into technical terms you don’t hear at dinner tables. “Mannitol BP EP USP Pharma Grade” falls squarely in that camp, carrying those symbols of regulatory rigor. Yet, folks working in hospital pharmacies, manufacturers at their sorting lines, and patients who rely on injectable medicines all care about one big question—does this stuff belong in a syringe, and does it actually keep people safe?

Why Mannitol Pops Up in Injectables

Mannitol, pulled from plant sugars, isn’t just a sweetener in your gum; doctors depend on it to draw water out of tissues, especially when the brain swells or pressure in the eyes spikes. In some vitamins and antibiotic injections, it keeps the medicine stable and flowing smoothly. I’ve seen its clear, nearly tasteless powder mixed behind the glass in compounding labs. Pharmacists watch that bag drip into a patient and feel the weight of every ingredient choice.

What Those Pharma Grades Actually Mean

Labels like BP (British Pharmacopoeia), EP (European Pharmacopoeia), and USP (United States Pharmacopeia) tell you the ingredient meets detailed quality targets. Regulatory bodies run through a gauntlet of tests—purity, safety, sterility—all so manufacturers aren’t guessing on the safety of a powder that will make its way into veins. They look for trace impurities, bacterial fragments, and anything that could spark a bad reaction.

Safety Isn’t Just on Paper

No pharmaceutical grade alone guarantees comfort and confidence at the bedside. Years ago, I watched nurses flush lines with a saline plus mannitol combo for patients sporting head injuries. The stuff did its job, but the difference between safe and scary can hide in parts per million of contaminants. Even products meeting BP, EP, and USP specs have triggered recalls around the world—one bad batch, a missed sterilization step, or leaching from a container can put vulnerable people at risk.

The Need for Transparent Supply Chains

Supply isn’t just about the chemical itself. Sourcing, handling, storing, and transporting set the stage long before a nurse cracks open a vial. Products from trusted sources, produced in cleanrooms and tested lot by lot, give hospitals a fighting chance to avoid problems. A factory shortcut on filtration can slip right through if nobody’s paying attention.

Addressing Gaps and Next Steps

What can shore up confidence? Facilities can run identity checks and purity screens on every shipment of mannitol, not just relying on paperwork but on real-time chemical analysis. Regulators have started to embrace batch traceability tech, like blockchain-style ledgers, so that any problem gets flagged back to its source. Contracting with suppliers who publish test results and allow unannounced audits raises the bar for everyone. There’s no substitute for a culture where people speak up about tiny problems before they snowball.

Hospital teams hold regular drills on adverse reaction protocols so a slip never becomes a crisis. Chemistry knowledge, strict adherence to sterile compounding procedures, and a healthy dose of skepticism toward “industry standard” claims do far more than any shiny label.

Building Trust, Dose by Dose

At the end of the day, checking every source and process keeps a batch of mannitol from turning into tomorrow’s headline. It’s not just about ticking the BP, EP, USP boxes—it’s about looking deeper, demanding accountability, and respecting the trust patients put in every injection.

How should Mannitol BP EP USP Pharma Grade be stored?

Why Storage Demands Careful Attention

Anyone familiar with pharmaceutical manufacturing or quality control recognizes how small oversights can transform a safe substance into a liability. Mannitol is no exception. This sugar alcohol, found in every pharmacopoeia from BP to USP, offers crucial roles in tablet manufacturing and as an excipient. The real challenge shows up long before the material reaches the production line. Storage mistakes trigger caking, contamination, and product failures that can cost more than just replacement expenses—they damage trust, reputations, and ultimately, patient safety.

The Details: Temperature, Humidity, and Packaging

A warehouse might look organized, but if temperature wavers outside controlled room conditions—typically 15°C to 25°C (59°F to 77°F)—good batches can start breaking down. Exposure to high heat speeds up chemical degradation, leaving mannitol sticky or lumpy. That might not sound dramatic, but just imagine dissolving that in an injection or relying on it as a bulking agent in a critical tablet.

From my experience, sweat-inducing humidity causes even more havoc. Mannitol picks up moisture like a magnet, so relative humidity should not climb above 60%. Once it attracts water, caking follows, and microorganisms find a spreadable surface. I’ve seen this go south at a smaller facility where the air conditioner broke and the operator shrugged it off—until whole batches failed QA because the powder clumped inside the drums.

Strong, sealed packaging earns its keep in every warehouse. Double polyethylene liners inside fiber drums shield mannitol from both air and light. Failing to keep these drums tightly closed after sampling opens the gate for environmental exposure. No room for “I’ll close it later” thinking. Someone who skips double-checking closures runs the risk of seeing black specs in a supposedly pharma-grade white powder—a sure ticket to a rejected lot.

Why Lot Segregation and Clean Storage Save Headaches

One overlooked risk surfaces when storage areas mix up lots or products. Cross-contamination sounds abstract until a batch registers a foreign odor or fails identity testing. Dedicating separate shelves, using color-coded tags, and logging batch movements in real time do wonders here. From time to time, I’ve watched as an overworked storekeeper picked up the wrong label during inventory, only realizing the mistake after a quality incident forced a traceback.

Cleanliness carries equal weight in this context. Pharma-grade mannitol will absorb airborne dust or chemical vapors, which contributes to product recalls or, worse, patient harm. Shielding storage areas from chemicals, solvents, and excessive movement of goods helps keep contaminants away. No matter how modern the facility, simple habits like regular sweeping, prompt spill cleanup, and routine audits give peace of mind that cleaning protocols actually translate to safer pharmaceuticals.

Getting It Right: Investments That Pay Off

Temperature and humidity monitoring tools are no longer optional. Warehouse managers who invest in good monitoring get an immediate feedback loop—a spike in humidity sets bells ringing, not an “I think it’s a bit stuffy” guess. Automated data loggers with alarms alert staff before problems snowball. A tight documentation trail closes loopholes for error and gives regulators the transparency they expect.

The right blend of sturdy packaging, careful environmental controls, and real accountability keeps mannitol at its best. These aren’t optional extras; they are the price of quality, confidence, and patient safety. Coming up short on any one of these steps often leads to costly lessons and risks that can ripple far past the factory doors.

What are the packaging options available for Mannitol BP EP USP Pharma Grade?

Packing Pharma Ingredients Is Not a Trivial Job

I’ve spent enough time around pharma logistics to see how overlooked packaging can hurt an otherwise solid product. Mannitol, widely used for tablet manufacturing, lab work, and even as an intravenous medicine, faces risks right from the warehouse. Its purity depends not just on production, but also on every bag or drum it travels in. Few outside the pharma world realize just how quick moisture or a careless seal turns a pharma-grade ingredient into a recalled batch or a contamination concern. Buying from the cheapest source or skimping on packaging specs often creates more loss than savings down the line.

Common Packaging for Mannitol in the Pharma Trade

Most suppliers lean on high-density polyethylene (HDPE) containers. These keep water and air from tampering with the solubility and consistency crucial in medical uses. I’ve handled products in 25 kg bags, which stack well in standard pallets. These usually get an inner polyethylene liner for another layer of protection, especially when shipping across humid climates. Drums, from 20 up to 50 kg, give better crush resistance than bags, though they take up more space in tight storerooms. For high value or highly sensitive applications, some suppliers offer aluminum foil pouches inside fiber drums. Foil stands up to both moisture and oxygen — the biggest threats to mannitol’s purity.

Glass containers hardly show up except for lab samples or specialty uses. Their weight and fragility just won’t survive bulk transport. Corrugated fiberboard boxes with inner polyethylene bags give a cheaper route for short hauls, but these can’t take real warehouse abuse. An import manager once told me he lost an entire pallet’s worth to water seeping in due to torn outer cardboard — the polyethylene bag stayed sealed, but the outer mess spoiled the customer’s confidence and led to re-testing costs.

Meeting Regulations and Quality Audits

Inspections, whether by local authorities or international certification bodies, look for clean, traceable and intact packaging. Marks on every bag, drum, or pouch must match quality documents. Most pharma giants won’t accept products without tamper-evident features — often, heat sealing or shrink bands around drum lids. Some buyers request unique serialization, letting the quality team trace problems all the way back to a factory batch. Traceability isn’t just paperwork; after seeing a recalled shipment forced back from customs due to wrong lot labels, I learned each detail in packaging protects a company’s reputation as much as the physical product.

Eco-Concerns and Future Trends

Plastic waste hits the pharma trade hard. More buyers ask about recyclable or biodegradable options. HDPE and polypropylene get used because they recycle well, but it’s tough to switch out aluminum or multilayer pouches when purity takes priority. I’ve sampled new plant-based liners, and though promising, they rarely scale up for shipments leaving India or China. Any step away from single-use plastics, even just by reducing drum thickness or using larger pack sizes, gains favor with auditors now including sustainability checks in their reviews.

Safeguarding Value, Not Just Cost

The right packaging for Mannitol BP EP USP Pharma grade does more than shield product in a warehouse — it preserves a supply chain’s health. Quick fixes or overlooked compromises almost always cost more in the end, whether through lost product, regulatory trouble, or customer complaints. As focus shifts to both quality and sustainability, expecting more innovation is reasonable, but in the meantime, those who treat packaging as an investment, not an afterthought, usually fare best in the intense world of pharma supplies.

Mannitol BP EP USP Pharma Grade
Names
Preferred IUPAC name hexane-1,2,3,4,5,6-hexol
Other names D-Mannitol
Manna sugar
E421
Mannite
Osmitrol
Pronunciation /ˈmæn.ɪ.tɒl biː piː iː piː juː ɛs piː ˈfɑː.mə ɡreɪd/
Identifiers
CAS Number 69-65-8
Beilstein Reference 1440251
ChEBI CHEBI:16899
ChEMBL CHEMBL1201602
ChemSpider 5257
DrugBank DB00742
ECHA InfoCard The ECHA InfoCard for Mannitol (BP EP USP Pharma Grade) is: **"03ee4b19-0823-4beb-98c5-8f858be648fa"**
EC Number EC 200-711-8
Gmelin Reference Gmelin Reference: 8338
KEGG C00794
MeSH D009865
PubChem CID 6251
RTECS number MN9275000
UNII 6SL070W42K
UN number UN-No.: Not regulated
Properties
Chemical formula C6H14O6
Molar mass 182.17 g/mol
Appearance White crystalline powder
Odor Odorless
Density 1.52 g/cm³
Solubility in water Soluble in water
log P -3.1
Acidity (pKa) pKa ≈ 13.5
Basicity (pKb) 6 - 7
Refractive index (nD) 1.333 (20°C)
Viscosity 5.7 cP (5% w/v solution at 25°C)
Dipole moment 0 D
Thermochemistry
Std molar entropy (S⦵298) 356 J·mol⁻¹·K⁻¹
Std enthalpy of formation (ΔfH⦵298) -3650 kJ/mol
Std enthalpy of combustion (ΔcH⦵298) -3334 kJ/mol
Pharmacology
ATC code A06AD16
Hazards
GHS labelling GHS Labelling: Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008 (CLP/GHS). No GHS hazard pictogram, signal word, hazard statements, or precautionary statements required.
Pictograms GHS07, GHS08
Signal word Warning
Hazard statements Hazard statements: "Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
Precautionary statements P264, P270, P301+P312, P330
NFPA 704 (fire diamond) 0-0-0
Flash point > 165 °C
Autoignition temperature > 430°C
Lethal dose or concentration LD50 (oral, rat): 13,500 mg/kg
LD50 (median dose) LD50 (median dose): 13,500 mg/kg (oral, rat)
PEL (Permissible) PEL: 3 mg/m³
REL (Recommended) 100-200 g/day
IDLH (Immediate danger) No IDLH established.
Related compounds
Related compounds Isomalt
Sorbitol
Xylitol
Lactitol
Erythritol
Maltitol