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Aluminum stearate’s journey kicked off in the early days of industrial chemistry, somewhere between the late 19th and early 20th centuries, when the world was hungry for better excipients and stabilizing agents. Pharmaceutical companies, paint manufacturers, and cosmetics pioneers gravitated toward this compound because it simplified formulation and brought a manageable alternative to other metal soaps. Its roots trace to fatty acid chemistry—a natural byproduct of the global trade in animal fats and vegetable oils. Manufacturers started producing it in larger quantities once they figured out reliable ways to source pure stearic acid. The transition from primitive, often impure batches to today’s pharma-grade materials wasn't inevitable. Standards improved with each decade, pushed by regulatory demands for tighter purity, less contamination, and more reliable performance. The turning point really showed up with pharmacopoeial entries: BP, EP, and USP standards settled arguments about what counted as safe and pure enough for medical or food uses, laying groundwork for today’s strict batch controls.
Modern aluminum stearate is a white, slightly greasy fine powder. It holds a modest but important place on the supply lists of pharmaceutical, food, and cosmetic producers. Chemists use it to gel oils, thicken emulsions, and modify flow. It’s not a miracle worker, but it brings enough versatility and reliability to find steady demand in ointment bases and sustained-release tablets. Most people go their whole lives without knowing this, but aluminum stearate is present in creams, tablets, ointments, and even some candies, where it helps stabilize texture and prevent caking. Pharmacopeial grades, identified as BP, EP, or USP, emphasize safety and composition: each batch must stick closely to limits on free fatty acids, ash, aluminum content, and water. Regulatory agencies test lots for identity and absence of toxins before they make their way to production zones or pharmacies.
Aluminum stearate takes the form of a lightweight, white powder. It doesn’t dissolve in water, but disperses in oils with a bit of encouragement. This hydrophobic nature sets it apart. It holds structure at temperatures below about 200°C, then starts breaking down. Its chemical structure, a type of metallic soap, gives it stabilizing and thickening powers. It resists acid and alkaline attack better than simple fats, which grants a shelf life fit for pharmaceuticals. Typical compositions feature about 7–8% aluminum, about 50% stearic acid content, and trace moisture. Its melting range hovers near 150°C, but it only flows easily above that, showing why formulators favor it for products kept at room temperature. Granule size varies by process but rarely matters outside of technical settings. This blend of properties explains long-standing demand in ointment manufacture and paint formulation, where texture and flow matter just as much as performance.
Batches of pharmaceutical-grade aluminum stearate go through a battery of tests. Certificates of analysis accompany each container, confirming content of aluminum, identification by IR spectroscopy, pH, loss on drying, and residual solvents. Compliance with BP, EP, and USP monographs builds confidence, with tight restrictions on free acid, total ash, heavy metals, and microbiological purity. Containers—usually drums or lined fiber barrels—carry hazard identification, content, batch number, date of manufacture, and expiry. Storage instructions appear front and center. These technical details sound dry until a recall happens or a manufacturer chafes against non-compliance. The standards anchor the trust that doctors and pharmacists put in finished drugs, where mistakes risk more than just profit. Mislabeling or sub-standard batches can trigger regulatory audits or batch destruction, so few producers cut corners.
Industrial makers produce aluminum stearate through metathesis. Basically, stearic acid reacts with aluminum salts—often sodium aluminate, aluminum sulfate, or aluminum isopropoxide. Tuning process conditions determines yield and purity. Manufacturers stir molten stearic acid and aluminum compounds together, control temperature to avoid scorching or incomplete reaction, then separate the finished product for washing and drying. Purity of the starting materials really matters: dirty stearic acid or impure aluminum leads to off-color batches or unexpected contaminants, some of which can compromise drug safety. Production relies on closed systems for dust control and to minimize inhalation risks. Finished material passes through screens to standardize particle size, with a series of purification steps removing traces of free aluminum or residual acids. High-end processes use vacuum ovens to drive off moisture and low boiling volatiles, bringing the product down to specification.
Aluminum stearate belongs to a class of compounds called metallic soaps, but its chemistry differs from standard detergents. Adding acids or strong bases can break it down and release aluminum ions or stearic acid, but under normal conditions, it resists many environmental threats. Some industries, needing special performance, will tweak the fatty acid content, swap in different chain lengths, or partially substitute other metals such as calcium for modified thickening or gelling. None of these changes are random—each shifts product profile considerably. Paint manufacturers, for example, sometimes seek aluminum tristearate for extra gel strength. Crosslinking with other metallic ions or blending with polymers can change oil absorption or swelling rate. Each shift brings new benefits and hazards, underlining why downstream producers continuously evaluate chemical compatibility and long-term stability.
Anyone working in technical supply soon learns a dozen names for the same thing. Aluminum stearate appears as “aluminum octadecanoate” in academic papers, “octadecanoic acid, aluminum salt” in regulatory filings, and “aluminum distearate” or “tristearate” depending on reaction ratio. Commercial databases list it under E number E570 when used as a food additive. Each synonym might reflect family history or commercial branding, but once past marketing, the only names that really matter are those tied to a pharmacopoeial grade. Regulatory filings often cite CAS number 637-12-7, cementing its official identity in global trade.
Workplace handling carries a few practical risks. The fine powder causes mild respiratory and eye irritation with chronic exposure. More serious hazards arise from potential contamination with other aluminum or fatty acid derivatives, which underscores the importance of following strict GMP protocols for sampling, weighing, and transfer. In my own years in pharmaceuticals, I always respected the low-key safety warnings, knowing busy operators sometimes get lax with gloves or masks. Storage calls for a cool, dry environment. Containers remain sealed until immediate use, since moisture can ruin powder flow or support fungus. Modern plants run air extraction and use sealed conveyance for transfer, both for worker safety and quality control. Regulatory audits—especially from the FDA or EMA—pay close attention to batch traceability, cleaning records, and cross-contamination checks. Trace heavy metals, a legacy concern, now get measured in parts per million; recent regulations force plants to update process controls or face rejected shipments. MSDS sheets recommend avoiding prolonged exposure, and facilities run annual training to reduce accidents.
Most people never see aluminum stearate by name, but its range spans a dozen industries. In pharmaceuticals, its oil-gelling powers help engineers design slow-release ointments and creams with just the right texture and absorption rates. Tableting lines use it as a lubricant to hedge against caking and improve powder flow—details that make a massive difference in automated solid-dose production. Beyond pharma, it lands in lithographic inks, where it gives sharp, crisp lines by adjusting oil absorption. Food suppliers use E570 as an anticaking agent and texture modifier in powdered mixes and processed cheese. Cosmetics benefit from its silky texture—think pressed powders and some lip products. Paint companies like it because it gives paints and varnishes thixotropic flow properties. This cross-industry adoption points to a simple truth: the compound’s stability matters wherever precise texture, moisture resistance, and batch reliability are non-negotiable.
R&D groups constantly find ways to make better use of aluminum stearate’s physical and chemical quirks. Some teams experiment with nano-sized versions for improved bioavailability in oral drug delivery. A few look at new derivatives with altered fatty acid chains for specialized gels targeted at wound care or personal care. Analytical chemists want cleaner fingerprinting by IR or Raman, hoping to spot trace contaminants that still slip past routine quality assurance. In recent years, I’ve seen more focus on sustainability, with plants trialing palm-free or fully plant-based sources of stearic acid, aiming to shrink the carbon footprint of commodity chemical production. These refinements come from both industry trends and real-world product recalls—failures push for deeper root-cause analysis and force companies to rethink routine processes.
Scrutiny of aluminum stearate’s safety has ramped up over the decades. Food and pharmaceutical authorities checked risks tied to both the fatty acid residue and the potential to release aluminum ions under extreme pH. No evidence supports acute toxicity at typical exposure levels. Chronic exposure or high-dose ingestion concerns persist mainly around free aluminum accumulation in the body, with some animal studies linking heavy use to neural or bone health risk. Modern toxicology reviews, both by the JECFA and European Food Safety Authority, flag that humans don’t efficiently absorb aluminum from stearate salts. Still, regulators keep a cautious eye on cumulative exposure, especially in infant formulas or products meant for long-term use. Current good manufacturing practice (cGMP) production and regular content testing guard against adulteration or metal contamination, which mostly matters for vulnerable populations. The industry adopts conservative exposure limits and pulls lots from commerce at any hint of safety signal.
Demand for high-purity aluminum stearate likely stays steady or grows as product standards rise. Two clear trends stand out: tightening of heavy metal and contaminant limits, and wider adoption of sustainable feedstocks. International markets show consistent need in emerging pharmaceutical production, paint, and food processing. Companies focusing on greener production—think plant-based stearic acid or low-energy processes—could gain an edge as global brands chase carbon reduction targets. Genetic traceability of raw materials, adoption of batch-level QR codes, and more sophisticated batch-tracking all look set to become routine as customers and regulators demand more transparency. R&D groups look for ways to optimize gelling and lubricating powers without raising cost or environmental burden. Instead of routine commodity, aluminum stearate stands as a bellwether for how the broader chemical industry handles legacy compounds under new manufacturing and environmental pressures.
A lot rides on the quality of ingredients tucked away in your headache pill, cough syrup, or even that antiseptic cream in your cabinet. Among the invisible players making these products work smoothly sits aluminum stearate. Pharmacies and health manufacturers around the world lean on this little-known ingredient to make daily remedies more effective, affordable, and shelf-stable. It’s not glamorous, but it’s essential.
Let’s start by clearing the fog. This compound is a soap made from stearic acid and aluminum, landing it in a group of additives called metallic stearates. Quality checks tagged as BP, EP, and USP on the label stand for British, European, and United States Pharmacopeias. These are strict rules for medicine makers that guard your health and safety. You won’t see these substances hyped in ads, but they do heavy lifting inside tablets, capsules, and ointments.
Pharma labs use aluminum stearate mostly as an anti-caking and thickening agent. Picture the controlled chaos of powder blending, capsule filling, and mass tablet pressing. Without something to break up sticky clumps, jams slow down the whole process. Aluminum stearate, because of its structure, helps powders flow smoothly, even at high speeds. This whey-like flow reduces wasted materials and keeps machinery from stalling, which helps labs churn out generics at a cost working families can actually afford.
This additive shows up a lot in ointments and creams. Think about your favorite skin cream—it spreads evenly, doesn’t dry out too quickly, and doesn’t leave a greasy trail. Aluminum stearate plays a quiet part in this, keeping the oil and water parts mixed so the cream doesn’t split. This helps with product shelf life, quality, and means you can rely on the same feeling bottle after bottle.
People expect medicine to heal them, not cause harm. The pharma grade label means this stuff meets higher standards than its industrial cousin, so there's less worry about contamination. Top research and regulatory bodies watch the levels allowed in prescriptions and over-the-counter remedies. As with any additive, manufacturers don’t overdo it; they use just enough aluminum stearate to make the process work.
Here’s where trust comes in. We all want to know what’s in our medicine. Forward-thinking pharma companies already provide detailed ingredient lists and batch testing info right on packaging or their websites. Some consumer advocates call for even more transparency—open databases, clearer labels, not just for allergies but for anyone curious about what goes into healthcare. Oversight from agencies like the FDA or EMA pushes manufacturers to test every batch—no shortcuts, no surprises.
A few years ago, some researchers took a closer look at long-term exposure to metal-based additives. Findings usually point to safety at normal levels, though health professionals stay alert. As new tech makes cleaner, plant-based alternatives possible, there’s a push to keep improving. Smart regulation and open research can encourage companies to try alternatives to traditional stearates, especially when it comes to sensitive patients.
It’s not enough just to meet the bare minimum. Labs can cut waste, share best practices, and tell customers more about the decisions behind their formulas. With consumers paying closer attention, companies that explain their sourcing, production, and safety choices build long-lasting trust.
Aluminum stearate won’t ever headline pharma ads, but its steady performance behind the scenes helps keep medicine reliable, safe, and affordable. That’s not a small feat in a world powered by both science and trust.
Aluminum stearate pops up in more than just face powders and lipsticks. Drug manufacturers often add it to tablets and ointments. It helps smooth out the production process and keeps products from clumping together. The question of safety often lands on my desk from folks who want to know if this ingredient deserves a spot in medicines people swallow or rub on skin.
The backbone of any answer starts with how the body handles aluminum stearate. This compound forms when stearic acid, a common fatty acid found in milk and meat, meets aluminum, a metal. Our bodies deal with stearic acid just fine; it breaks down in the gut and, over time, leaves our system. Aluminum, though, doesn’t get out as smoothly. It tends to linger, especially when kidneys work slowly. Long-term buildup can cause health problems, with the brain and bone most at risk.
Studies from agencies like the World Health Organization outline what levels of aluminum exposure count as safe. For most healthy adults, the tiny trace used in a tablet won’t lead to toxic levels. According to the U.S. Food and Drug Administration (FDA), aluminum stearate, when used within defined limits, falls under the category of “generally recognized as safe” in food and drugs. But these limits matter; taking a little isn’t the same as taking a lot. Some evidence points to aluminum playing a role in neurological conditions if it piles up over the years, especially for people with kidney troubles or the elderly.
Looking at my own medicine cabinet, most of what uses aluminum stearate stays on the skin or gets taken now and then. Topical use rarely sinks deep enough for worry. Oral drugs only work when companies follow tight rules on how much to use. In rare cases, children or patients with kidney disease can build up more aluminum than intended. Families and caregivers for these groups need to check ingredients or ask a doctor.
Some older antacids packed with aluminum compounds have slipped from favor for good reason. Regulators started paying attention once cases of accumulation showed up in dialysis patients. That led to calls for more careful labeling and greater oversight on products for anyone with kidney problems. Drug makers today track exposure through strict batch testing, helping keep levels where health authorities want them.
Solid regulations set the tone for safety. The pharmaceutical industry relies on standards like those listed in the United States Pharmacopeia. Regular lab checks flag any batches with too much aluminum stearate. Some companies have turned to newer ingredients that skip aluminum entirely. For people who take lots of long-term medicines or have kidney issues, looking out for alternatives brings peace of mind.
A push for more research still makes sense. Health watchdog groups and the medical community ask for up-to-date studies on low-level, lifelong aluminum exposure. As more new drugs hit the market, watchdogs should keep the conversation open so the public can trust what lands in pharmacies.
It helps to see ingredient lists spelled out, so patients and caregivers know what they're getting. Pharmacists, nurses, and doctors all play a role in explaining risks versus benefits, especially for those who may face higher risk. People deserve clear answers, not just fine print. That’s how trust gets built, one label at a time.
Some ingredients in the pharmaceutical world may not end up in the headlines but still deserve plenty of attention. Aluminum stearate is one of those quiet but crucial ingredients. In pharmaceutical manufacturing, nothing works without proper quality, safety, and performance. Each official pharmacopoeia—BP (British Pharmacopoeia), EP (European Pharmacopoeia), and USP (United States Pharmacopeia)—provides strict guidance about the properties a chemical needs to meet for pharma grade use. PhDs and bench chemists alike have learned that a shortcut in sourcing can ruin a batch, delay projects, or worse, put patient safety at risk.
At a glance, pharmaceutical aluminum stearate comes off as a fine, white powder with barely any odor. This sounds simple. In reality, the market expects a very pure material; excessive color or gritty texture signals contamination or improper processing. USP and EP monographs put a spotlight on the product's melting point, which usually falls in the range of 150°C to 165°C. Both appearance and melting range help rule out substitutions or hazardous by-products. Moisture also matters. Too much water means trouble for shelf life and stability—so pharma standards set a max, generally around 2.0% for loss on drying.
Aluminum stearate comes from fatty acids (stearic acid), and not every batch will make the grade. Here’s where numbers do the talking. Ash content, a marker of inorganic impurities, typically stays within 10.5% – 12.0% for pharmaceutical quality material. This keeps the focus on the right proportion of aluminum to stearate, with nothing extra that could interfere in tablets or creams. Acid value and saponification value also land on every lab’s checklist—expect values below 7 for acid and between 145 and 160 for the saponification number, according to BP and USP. These numbers make sure no residual acids or unreacted fats are hiding in the background.
In the lab, I’ve seen how blend consistency can hinge on ingredients like aluminum stearate. Cosmetics and tablets both rely on its water-repelling properties, which depend on purity—cut corners and you face grainy textures and failed production runs. Mistakes can also trigger regulatory investigations or product recalls. Standards exist for a reason: users need to know what’s inside the container, batch after batch.
Supplier audits and routine QC work offer no room for guessing games. Information from certificates of analysis let buyers decide quickly—do we have what we need, or do we stop the line? It’s more than bureaucracy; it’s about saving time, money, and reputation.
Demands from regulatory agencies keep increasing, especially with scrutiny on contaminants and origins of raw materials. Reliable documentation and third-party testing play bigger roles every year. Pharma grade aluminum stearate should never fail on specification because those margins could catch the attention of a health authority or patient watchdog group.
Producers who want to keep supplying this grade will invest in regular training for quality control staff, source stearic acid from traceable suppliers, and use validated processes. These choices echo in every lot, bottle, and final product.
Aluminum stearate might sound like a technical compound best left in a chemist’s world, but it pops up everywhere. Paints, inks, rubber products, even some cosmetics—it gets blended in for a reason. Over the years, I’ve seen what can happen if this white, powdery substance doesn’t get the respect it deserves. If you’ve ever worked in a lab or a shop, you’ll know how fast fine powders drift in the air. Breathing them in gets uncomfortable fast, and powders like aluminum stearate—classified as a combustible dust—raise even more concern.
Forget elaborate protocols for a second. Most problems with aluminum stearate arise when it’s left out in the open or crammed close to sources of heat. Store this stuff in tightly sealed containers, away from sunlight and high temperatures. A cool, dry room works every time.
Heat and moisture are not friends to aluminum stearate. Exposure to either one brings the risk of degradation or clumping. Worse, it adds fuel to the risk of spontaneous ignition. OSHA points out that dust explosions can happen if the right mixture of dust, air, and heat come together. In one case a few years ago, a dusty corner of a warehouse became a flashpoint because of poor airflow and stray static. That’s why keeping containers closed and storage areas well-ventilated matters in real life—not just on paper.
Nobody should treat aluminum stearate like flour. Small, airborne particles irritate throats, eyes, and skin. Every time I see someone forgo gloves or skip a dust mask to “just scoop a bit,” it’s disappointing. Long sleeves, safety goggles, gloves, and a dust mask make the difference. In a country like the U.S., OSHA sets standards for permissible exposure limits. These aren’t just regulatory red tape—they prevent chronic respiratory problems down the road.
Another thing: never use regular household vacuums to clean up spills. Sweeping throws powder into the air, so use industrial vacuums with explosion-proof filters. Wet methods can work, too—damp cloths hold the dust down. Staff training never stops. Before anyone opens a container, they should know what they’re up against.
Fire control beats fire fighting every time. Keep aluminum stearate away from ignition sources. That means no smoking, no open flames, and no high-amperage tools nearby. Metal containers with tight-fitting lids work best. Don’t store near oxidizers—one careless shelf placement and you risk chemical reactions that nobody wants to see.
Emergency showers and eyewash stations don’t just tick a box on a safety checklist—they save eyesight and prevent serious burns. Make sure exits stay clear, and spill kits are ready, not buried under clutter.
If I’ve learned anything from watching workplaces manage aluminum stearate, it’s that accidents spring up from small, boring lapses. Forgetting to label a container, skipping a round of cleaning, or getting lazy with personal protective equipment: these open the door to injury and long-term health hazards.
Aluminum stearate rarely causes trouble when handled right. Basic respect—keeping it cool, dry, sealed, and far from flames—stops most issues before they start. Training everyone, not just managers or safety reps, matters most of all. Give people the tools, remind them of the risks, and suddenly, a potentially hazardous powder becomes just another safe ingredient in the modern workplace.
Aluminum stearate pops up often in pharmaceutical and cosmetic manufacturing, mostly as a thickener or a stabilizer. Many professionals stress the importance of compliance with BP (British Pharmacopoeia), EP (European Pharmacopoeia), and USP (United States Pharmacopeia). These rulebooks hold weight for a reason. A few years back, I watched as a production lot failed a batch release because the stearate supplier couldn’t match USP standards. The headaches that caused—delays, extra paperwork, lost resources—still stick with me. Skipping compliance creates risks for producers, sellers, and patients.
Every pharmacopoeia lays down specific tests: purity, identification, acidity, heavy metals, and more. These checks are there for good reason. If a manufacturer wants to claim their aluminum stearate passes BP or USP, there’s no guessing. Labs run spectroscopic analyses, chemical titrations, and examine materials for trace elements. For EP, for example, stearates face stricter limits for heavy metals and organic solvents than cheaper industrial grades. The pharma world doesn’t let “close enough” slide. Deviations—even a little zinc, cadmium, or unexpected organic impurity—spark full-on investigations.
It’s easy to see standards as bureaucratic hurdles. Having spent years on development and QA teams, I can say the dangers are real. If the stearate in an antacid contains too much aluminum or the wrong fatty acids, a vulnerable patient pays the price, not just the manufacturer. Stories get around—there was a recall in India over stearates with questionable oxide levels. Kids with kidney trouble suffered most. Regulations push for safe, predictable outcomes. In this arena, cutting corners can cost lives, not just dollars.
Suppliers who hold certificates for BP, EP, or USP compliance usually run tighter ships. I’ve talked to purchasing officers who only approve shipments backed by batch-specific data. They need to see chromatograms, heavy metal reports, and microbial counts—for every delivery. This paperwork isn’t just a formality. A strong certification history builds trust. On the other hand, any supplier without documented compliance gets dropped fast. In some regions—think Europe and the US—the risk isn’t just legal. Clients and regulators can audit, and any slip-up damages business reputations for years. If you’re in procurement or drug development, these certificates are as important as the actual product.
Leading manufacturers invest in certified labs, regular audits, and full traceability, from raw material to shipment. They train teams to spot problems quickly and keep up with new editions of the pharmacopoeias. Some develop in-house rapid-screening tests for every new lot. By updating protocols and working closely with accredited partners, they limit costly recalls and meet the expectations set by BP, EP, and USP. If a smaller producer struggles to keep up, partnering with established labs or buying from certified global suppliers makes sense. Many problems—recalls, rejection of batches, even patient harm—have their root in lax quality checks. Industry growth depends on consumers trusting that each dose, each jar of cream, meets those unwavering standards.
Quality in the world of excipients like aluminum stearate goes far past box-ticking or stamp-collecting. I learned that the hard way through a failed batch and a flood of complaints. Each pharmacopoeia raises the bar for safety, purity, and reliability. Meeting those standards isn’t just a regulatory hurdle—it’s the mark of a company that values safety over shortcuts, earning trust one chemical at a time.
| Names | |
| Preferred IUPAC name | Aluminum octadecanoate |
| Other names |
aluminium stearate aluminium octadecanoate aluminium trioctadecanoate stearic acid aluminum salt aluminum monostearate aluminum distearate |
| Pronunciation | /əˈluːmɪnəm ˈstɪəreɪt/ |
| Identifiers | |
| CAS Number | 7047-17-2 |
| Beilstein Reference | 1209045 |
| ChEBI | CHEBI:53695 |
| ChEMBL | CHEMBL1201802 |
| ChemSpider | 50929 |
| DrugBank | DB14153 |
| ECHA InfoCard | 03e2d9dd-08b1-4fed-bad7-3eada7d07c41 |
| EC Number | 209-151-9 |
| Gmelin Reference | 5694 |
| KEGG | C14538 |
| MeSH | D008543 |
| PubChem CID | 5284451 |
| RTECS number | WL5900000 |
| UNII | L50C239LGA |
| UN number | UN1325 |
| Properties | |
| Chemical formula | C54H105AlO6 |
| Molar mass | 1057.67 g/mol |
| Appearance | White fine, bulky powder |
| Odor | Odorless |
| Density | 0.95 g/cm3 |
| Solubility in water | Insoluble in water |
| log P | Log P = 13.10 |
| Vapor pressure | Negligible |
| Acidity (pKa) | 11.0 |
| Basicity (pKb) | 7-10 |
| Magnetic susceptibility (χ) | -21.5 × 10⁻⁶ cm³/mol |
| Dipole moment | 0.00 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 854.7 J·mol⁻¹·K⁻¹ |
| Std enthalpy of combustion (ΔcH⦵298) | -23180 kJ/kg |
| Pharmacology | |
| ATC code | A02AB04 |
| Hazards | |
| Main hazards | May cause respiratory irritation, skin and eye irritation. |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS07, GHS08 |
| Hazard statements | H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation. |
| Precautionary statements | Precautionary statements: P261, P264, P272, P273, P280, P302+P352, P305+P351+P338, P362+P364, P501 |
| NFPA 704 (fire diamond) | 1-1-0 |
| Flash point | > 230°C |
| Autoignition temperature | > 420°C |
| Lethal dose or concentration | Lethal dose or concentration: LD50 (oral, rat): > 10,000 mg/kg |
| LD50 (median dose) | LD50 (median dose): >10 g/kg (oral, rat) |
| PEL (Permissible) | 15 mg/m³ (total dust), 5 mg/m³ (respirable fraction) |
| REL (Recommended) | 0.6 mg/m³ |
| Related compounds | |
| Related compounds |
Aluminum monostearate Aluminum distearate Magnesium stearate Calcium stearate Zinc stearate Sodium stearate Stearic acid |
Chengguan District, Lanzhou, Gansu, China
