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Product Name: Glycerol Monostearate
Synonyms: Glyceryl Monostearate, GMS
Chemical Formula: C21H42O4
CAS Number: 31566-31-1
Recommended Use: Emulsifier, food additive, cosmetic ingredient
Manufacturer: Name and contact information of supplier
Emergency Contact: 24-hour emergency phone number
Classification: Not considered hazardous in normal conditions
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Potential Health Effects: May cause minor irritation to eyes, skin, or respiratory tract on contact; prolonged exposure to dust can lead to mild respiratory discomfort
Labeling Requirements: No pictograms required, not subject to OSHA hazard classification
Signal Word: None required
Precautionary Statements: Avoid creating and breathing dust; wash hands after handling
Chemical Name: Glycerol Monostearate
Common Name: Glyceryl Monostearate
CAS Number: 31566-31-1
Concentration: >95%
Impurities: Traces of di- and tri-glycerides, free fatty acids, glycerin
Inhalation: Move to fresh air. If symptoms persist, seek medical attention.
Skin Contact: Wash with water and soap. Remove contaminated clothing.
Eye Contact: Rinse eyes with water for several minutes, lifting eyelids occasionally. Remove contact lenses if possible. Seek medical attention for persistent irritation.
Ingestion: Rinse mouth. Drink water to dilute. Avoid inducing vomiting. Consult medical help if symptoms appear.
Suitable Extinguishing Media: Dry powder, carbon dioxide, foam, water spray
Unsuitable Media: Direct water jets
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, other potentially toxic fumes
Protective Equipment: Firefighters should wear self-contained breathing apparatus and protective gear
Fire/Explosion Hazards: Fine dust dispersed in air in sufficient concentrations can ignite. Product can burn if overheated or exposed to flame.
Personal Precautions: Wear dust mask, protective gloves, and goggles to avoid contact and dust inhalation
Environmental Precautions: Prevent product from entering drains, sewers, or natural water sources
Methods for Clean-Up: Sweep or scoop spilled product into containers for disposal. Wash area with water. Minimize generation and dispersal of dust.
Handling: Handle in well-ventilated places; avoid dust generation. Do not eat, drink, or smoke during use. Use appropriate personal protective equipment.
Storage Conditions: Store in tightly closed, labeled containers in cool, dry spaces away from sources of ignition and incompatible materials (oxidizers). Keep away from direct sunlight and moisture.
Incompatible Materials: Strong oxidizing agents
Occupational Exposure Limits: No specific limits established. General nuisance dust limits may apply (OSHA PEL: 15 mg/m³ total dust)
Engineering Controls: Use local exhaust ventilation to minimize airborne dust concentration
Personal Protective Equipment: Safety goggles, gloves, dust mask or respirator (if dust is present), protective clothing as needed
Appearance: White or off-white, waxy powder or flakes
Odor: Odorless or faint, fatty scent
pH: Neutral (6-8), 5% solution in water at 25°C
Boiling Point: Not applicable (decomposes)
Melting Point: 58–65°C
Solubility: Insoluble in water; soluble in hot alcohol and oils
Flash Point: >180°C
Vapor Pressure: Negligible at 20°C
Density: 0.97 g/cm³
Partition Coefficient: logKow: Estimated above 3
Chemical Stability: Stable under normal conditions
Reactivity: No dangerous reactions known under normal use
Decomposition Products: Heating can release carbon oxides
Incompatible Materials: Strong acids, bases, and oxidizing agents
Conditions to Avoid: Excessive heat, open flames, sparks, moisture
Acute Toxicity: Low toxicity; oral LD50 in rats estimated >10,000 mg/kg
Skin Irritation: Slight irritation may occur with prolonged exposure
Eye Irritation: May cause temporary, mild irritation
Inhalation: Dust may discomfort respiratory tract
Chronic Effects: Not classified as carcinogenic, mutagenic, or as a reproductive hazard. Extensive use in food and cosmetics has shown low systemic toxicity.
Sensitization: Not known to cause allergic reactions
Ecotoxicity: Product considered not hazardous to aquatic organisms at expected environmental concentrations
Biodegradability: Readily biodegradable in soil and water
Bioaccumulation Potential: Expected to have low potential due to natural fatty acid structure
Mobility in Soil: Limited by low solubility
Persistence: Breaks down naturally in environment
Waste Disposal Methods: Dispose of in accordance with local, regional, and national regulations. Waste can often be incinerated or landfilled if not recycled or reused.
Contaminated Packaging: Empty containers should be reused or recycled after cleaning or disposed of at approved waste disposal sites
UN Number: Not regulated as a dangerous good
Proper Shipping Name: Glycerol Monostearate
Transport Hazard Class: None
Packing Group: None
Environmental Hazards: Not environmentally hazardous for transport
Special Precautions: Protect from moisture and physical damage during transport
U.S. TSCA Inventory: Listed
EU REACH Status: Registered
FDA Status: Approved for direct addition to food (21 CFR 184.1324)
WHMIS Classification (Canada): Not controlled
Other Regulations: Product complies with safety standards for use in food, cosmetics, and pharmaceuticals. No SARA Title III hazards. Not subject to California Proposition 65 labeling.
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
