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Glycerol Monostearate Flakes
Glycerol Monostearate Flakes is a white to off-white waxy flake form emulsifier composed of 40% monoglycerides of fatty acids, primarily stearic and palmitic acids, combined with other glycerides and esters. Derived mainly from vegetable oils, this food-grade emulsifier is widely utilized in food, cosmetic, pharmaceutical, and industrial sectors for its multifunctional properties. GMS 40% flakes serve as effective emulsifiers, stabilizers, anti-caking agents, and texture enhancers, with excellent compatibility and versatility in formulations requiring semi-solid or solid fats.
Glycerol Monostearate Flakes
Primary Uses
- Food Industry
- Emulsifying agent in margarine, spreads, and shortenings to blend fats and water, improving texture and consistency.
- Acts as an anti-caking and anti-staling agent in baked goods, improving softness and extending shelf life.
- Used in ice cream and dairy products to enhance creaminess, smoothness, and melt properties.
- Functions as a stabilizer in confectionery for uniformity and improved mouthfeel.
- Utilized in chocolate and coatings to improve gloss and texture by controlling fat crystallization.
- Serves as a release agent in baking and candy manufacturing, preventing product sticking.
- Added to instant mixes and beverages to stabilize oil-water emulsions and maintain shelf stability.
- Pharmaceuticals & Nutraceuticals
- Employed as an excipient in topical creams, ointments, and gels for enhanced emulsification and texture.
- Functions as a tablet binder and dispersing agent in solid dosage forms.
- Used in nutritional supplements to aid in the uniform distribution of fat-soluble vitamins and oils.
- Cosmetics & Personal Care
- Emulsifier and thickener in creams, lotions, body butters, and hair conditioners.
- Improves skin feel and spreadability, providing a smooth and non-greasy texture.
- Acts as a stabilizer and opacifier in shampoos, liquid soaps, and sunscreen formulations.
- Enhances the water resistance and longevity of makeup and sunscreen products.
- Industrial Applications
- Used as an antistatic and lubricating agent in plastics, rubber, and packaging films.
- Functions as a processing aid and internal lubricant in polymer extrusion.
- Serves as a softening agent in textile processing and finishing.
Secondary Uses
- Agriculture
- Functions as an emulsifier in pesticide formulations to improve dispersion and efficacy.
- Used in animal feed supplements for improved mixing and stability.
- Personal Hygiene Products
- Added in deodorants, shaving creams, and cleansing bars for enhanced texture and stability.
- Paints & Coatings
- Used as a dispersing and emulsifying agent to improve consistency and finish.
1. Basic Identification Attributes
- Chemical Name (IUPAC): 1-Monostearoyl-rac-glycerol
- Common/Trade Name: Glycerol Monostearate (GMS)
- CAS Number: 31566-31-1 (commercial blends)
- HS Code: 2915.90.70
- Molecular Formula: C21H42O4 (pure monostearate)
- Molecular Weight: ~358.56 g/mol
- Synonyms:
- Glyceryl monostearate
- GMS 40
- Monostearin
- E471 (food additive)
- Octadecanoic acid monoglyceride
2. Physical & Chemical Properties
- Physical State: Waxy flakes
- Color & Odor: White to off-white; faint fatty odor
- Purity: Approx. 40% monoglycerides content
- Melting Point: 55–65 °C
- Solubility:
- Insoluble in water
- Soluble in hot ethanol, oils, and fats
- pH (1% dispersion): 6–8
- HLB Value: 3.8–5.6 (oil-in-water emulsifier)
3. Safety & Hazard Attributes
- GHS Classification: Not hazardous
- NFPA Ratings: Health 0, Flammability 1, Reactivity 0
- Toxicity: Non-toxic and Generally Recognized As Safe (GRAS)
- Irritation: Mild skin or eye irritant at high concentrations
4. Storage & Handling Attributes
- Container Type: Multi-wall paper bags with polyethylene liner or fiber drums
- Storage Conditions: Store in a cool, dry, ventilated area, away from moisture and heat
- Shelf Life: Up to 24 months under recommended conditions
- Handling Notes: Avoid dust formation; keep container tightly closed
5. Regulatory & Compliance Attributes
- Food Grade: Complies with FDA GRAS, EU E471, JECFA standards
- Pharmaceutical Grade: USP/NF grades available
- REACH Registered: Yes
- Halal and Kosher: Certificates available depending on supplier
6. Environmental & Health Impact
- Biodegradability: Easily biodegradable
- Ecotoxicity: Low environmental toxicity
- Bioaccumulation: Not expected
- Carcinogenicity/Mutagenicity: No evidence of carcinogenic or mutagenic effects
Safety Handling Precautions
- PPE Required: Gloves, dust mask, safety goggles
- Handling Guidelines: Avoid inhalation of dust, avoid skin and eye contact
- Hygiene: Wash hands after handling; avoid eating or drinking during handling
First Aid Measures
- Inhalation: Move to fresh air; consult a physician if symptoms persist
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse thoroughly with water for 15 minutes; seek medical advice if irritation persists
- Ingestion: Rinse mouth; seek medical attention if large quantities ingested
Firefighting Measures
- Fire Hazards: Combustible solid at high temperature
- Extinguishing Media: Water spray, foam, dry chemical, CO₂
- Combustion Products: Carbon oxides and fatty acid fumes
- Firefighter PPE: Use self-contained breathing apparatus and protective clothing
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