Description
Glycerol Monostearate (GMS ) also known as Glyceryl Monostearate, used fatty-acid ester and non-ionic emulsifier derived from glycerol and stearic acid.
It is valued for its emulsifying, stabilizing, texturizing, and conditioning properties across food, confectionery, dairy, bakery, plastics, cosmetics, and other industrial applications.
Genome Specialities supplies GMS for commercial and industrial applications, with product grade and specifications available according to customer requirements
Key Properties
| Property | Details |
| Product Name | Glyceryl Monostearate 45% |
| Synonyms | GMS 45%, Glycerol Monostearate |
| Chemical Type | Fatty acid ester |
| Chemical Formula | C₂₁H₄₂O₄ (for glyceryl monostearate) |
| CAS Number | 31566-31-1 (mixture); 123-94-4 (pure GMS) |
| Molecular Weight | ~358.56 g/mol (pure GMS) |
| Composition | ≥45% monoesters, remainder di- and triglycerides |
| Appearance | White to off-white flakes, beads, or powder |
| Odor | Mild, fatty odor |
| Taste | Slightly sweet, fatty |
| Solubility | Insoluble in water; soluble in hot oils and organic solvents |
| Hydrophilic–Lipophilic Balance (HLB) | ~3–4 |
| Melting Point | ~55–65 °C |
| pH (5% dispersion) | ~6.0–8.0 |
| Stability | Stable under normal storage conditions |
| Reactivity | Non-reactive under normal conditions |
| Functionality | Emulsifier, stabilizer, thickener |
| Biodegradability | Readily biodegradable |
| Ionic Nature | Non-ionic |
Composition of GMS
The product typically contains a mixture of glycerides, with the monoester fraction being the key functional component.
The remaining fraction may include:
- Diglycerides (Diacylglycerols): Glycerol molecules esterified with two fatty acid chains.
- Triglycerides (Triacylglycerols): Glycerol molecules esterified with three fatty acid chains.
- Other Glycerides and Related Components: Present according to the manufacturing process and product specification.
This composition gives GMS 45% useful emulsification, stabilization, lubrication, and texturizing characteristics.
Applications of GMS 45%
Bakery & Baking
Used in bread, cakes, biscuits, pastries, and other bakery products.
It can help improve dough handling, texture, crumb structure, volume, and product stability.
Confectionery
In confectionery formulations, GMS can assist with texture, consistency, dispersion, and stability.
used in selected chocolate, compound coating, candy, and confectionery applications.
Dairy & Frozen Desserts
Used in ice cream, frozen desserts, whipped toppings, creams, and dairy-based formulations as an emulsifier and stabilizer.
It can contribute to a smoother texture, improved body, and desirable processing characteristics.
Margarine & Spreads
GMS can support the formation and stabilization of emulsions in margarine, spreads, and related fat-based products, helping maintain product consistency and structure.
Cosmetics & Personal Care
Used as an emulsifier, consistency agent, stabilizer, and skin-conditioning ingredient in creams, lotions, emulsions, and personal-care formulations.
Plastics & Industrial Applications
Used in selected industrial formulations as a lubricant, processing aid, release aid, or antistatic additive, depending on the polymer system and required technical specification.
Available Grades
Food Grade – E471
Manufactured and controlled according to the applicable food-additive requirements of the target market.
Typical applications include:
- Bakery products
- Confectionery
- Dairy and frozen desserts
- Margarine and spreads
- Food emulsions and formulations
Food-grade suitability should always be confirmed against the applicable regulatory requirements and the product’s specific documentation.
Industrial / Technical Grade
Used in non-food applications where food-grade compliance is not required.
used in plastics, industrial formulations, lubricants, coatings, and other technical applications.
Specifications and impurity limits depend on the manufacturer’s technical standard.
Cosmetic & Personal-Care Grade
Used in cosmetic and personal-care formulations for its emulsifying, stabilizing, consistency-building, and skin-conditioning properties.
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