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Glycerol Monostearate

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Glycerol Monostearate is a white to off-white, free-flowing powder composed of 50% monoglycerides of stearic and palmitic acids, typically derived from vegetable oils. It is a non-ionic emulsifier widely used in food, cosmetics, pharmaceuticals, plastics, and industrial applications. GMS functions as an emulsifying agent, stabilizer, thickener, anti-staling agent, and opacifier. In food, it improves texture and extends shelf life. In cosmetics and pharmaceuticals, it enhances creaminess and stability. GMS 50% is often blended with other emulsifiers or surfactants and is valued for its versatile functionality, safety, and compatibility with a wide range of ingredients.

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Category: Emulsifiers Tags: Cosmetic ingredient, Emulsifier, Food additive, Glycerol Monostearate, GMS Powder, Pharmaceutical excipient

Description

Table of Contents

Glycerol Monostearate

Primary Uses

Food Industry

Emulsifier in margarine, peanut butter, creamers, and spreads to maintain stable oil-water mixtures.
Anti-staling agent in bread and baked goods; enhances softness, improves crumb structure, and extends shelf life.
Aerating agent in whipped toppings, ice cream, and bakery creams, improving volume and texture.
Texturizer and thickener in sauces, processed cheese, and instant pudding mixes.
Release agent in bakery applications to prevent sticking of dough or batter to molds and pans.
Fat replacer in reduced-fat food products.
Stabilizer for beverages containing fat-soluble vitamins or oils (e.g., nutritional drinks).
Used in chewing gum and confectionery for improved chew and mouthfeel.

Pharmaceuticals & Nutraceuticals

Excipient and emulsifying agent in creams, ointments, gels, and lotions for topical application.
Tablet binder and dispersing agent in solid dosage forms.
Enhances bioavailability of lipophilic active pharmaceutical ingredients.
Carrier and stabilizer in vitamin and mineral supplements.
Used in nutraceutical formulations as a dispersant for functional ingredients.

Cosmetics & Personal Care

Emulsifier and stabilizer in lotions, creams, hair conditioners, and sunscreens.
Opacifier in shampoos and liquid soaps to impart a creamy, pearlescent appearance.
Skin conditioning agent that enhances skin softness and spreadability of formulations.
Viscosity modifier to adjust thickness and texture in emulsions.
Improves water resistance in sunscreens and makeup.

Plastics & Packaging Industry

Antistatic and antifog agent in plastic films and containers (especially polyethylene and polypropylene).
Used in food-safe packaging to improve processability and surface characteristics.
Internal lubricant and mold release agent in thermoplastic production.

Secondary Uses

Textile Industry

Softening agent in textile finishing to improve hand feel.
Emulsifier for oils and waxes used in fabric treatments.

Agriculture

Emulsifying agent in agrochemical formulations such as pesticides and foliar fertilizers.
Used in animal feed as a stabilizer for vitamin and fat preparations.

Industrial Lubricants & Coatings

Emulsifier and thickener in water-based lubricants and metalworking fluids.
Used in paint formulations to improve dispersion and texture.

Personal Hygiene Products

Stabilizer and texture enhancer in deodorants, shaving creams, and cleansing bars.
Enhances consistency and stability in bath products and hand sanitizers.

Additional information

PACK SIZE	25kg Sack

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name (IUPAC): 1-Monostearoyl-rac-glycerol
Common/Trade Name: Glycerol Monostearate (GMS)
CAS Number: 31566-31-1 (commercial GMS blend)
HS Code: 2915.90.70
Molecular Formula: C21H42O4 (pure GMS)
Molecular Weight: ~358.56 g/mol
Synonyms:
- Glyceryl monostearate
- GMS 50
- Monostearin
- E471 (when used as a food additive)
- Octadecanoic acid monoglyceride

2. Physical & Chemical Properties

Physical State: Fine powder or flakes
Color & Odor: White to off-white; faint fatty odor
Purity: 50% monoglycerides minimum
Melting Point: 55–65 °C
Solubility:
- Insoluble in water
- Soluble in hot ethanol and oils
- Dispersible in water when melted and homogenized
pH (1% dispersion): ~6–8
HLB Value: 3.8–5.6 (oil-in-water emulsifier)

3. Safety & Hazard Attributes

GHS Classification: Not classified as hazardous
NFPA Ratings:
- Health: 0
- Flammability: 1
- Reactivity: 0
Toxicity: Considered safe (GRAS); low acute oral and dermal toxicity
Irritation: Mild irritant in high concentrations; generally non-sensitizing

4. Storage & Handling Attributes

Container Type: Multi-layer paper bags with inner polyethylene liners or food-grade fiber drums
Storage Conditions:
- Store in a cool, dry place
- Protect from heat, humidity, and direct sunlight
Shelf Life: 24 months in original sealed packaging
Handling Notes:
- Avoid dust formation
- Hygroscopic—keep container tightly closed

5. Regulatory & Compliance Attributes

Food Grade Certification: E471 (approved in EU, FDA GRAS in U.S.)
Pharmaceutical Grade: USP/NF, Ph. Eur. grades available
REACH Registered: Yes
GMO-Free / Allergen-Free: Commonly available
Halal/Kosher Certified: Available depending on manufacturer

6. Environmental & Health Impact

Biodegradability: Readily biodegradable
Ecotoxicity: Low to negligible environmental toxicity
Bioaccumulation: Not expected
Carcinogenicity/Mutagenicity: No evidence of mutagenic or carcinogenic effects
Sustainability: Derived from renewable vegetable sources (e.g., palm, soy, or coconut oils)

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required:

Gloves
Dust mask (for powder handling)
Safety glasses

Handling Guidelines:

Avoid inhalation of fine dust
Prevent moisture contact with open product
Maintain clean scooping tools and surfaces

Hygiene Practices:

Wash hands after handling
Do not eat, drink, or smoke during use

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if respiratory irritation occurs
Skin Contact: Wash thoroughly with soap and water
Eye Contact: Rinse cautiously with water for several minutes
Ingestion: Non-toxic; rinse mouth and consult physician if discomfort occurs