About this product
Glycerol Mono Stearate (GMS), CAS 31566-31-1, is a glycerol ester of stearic acid. It is insoluble in water but forms emulsions, which is what makes it an emulsifier. We stock GMS Powder in creamish white technical grade, packed in 25 kg bags at our Redhills, Chennai warehouse and dispatched across South India. We source it from Godrej, Kaleesuwari Refinery and Fine Organics.
Applications & Uses
Safety & Technical Documents
MSDS / SDS
TDS / COA
Certificate of Analysis · with every supply, on request
Need another sheet? Browse the full SDS & TDS library — safety and technical data sheets for every product we stock.
Product DataTechnical Specifications
Physical Properties
- Appearance
- Creamish white powder; faint fatty odour
- Purity
- 40–48% monoester content
- Melting Point
- 55–65°C
- Solubility
- Insoluble in water; forms emulsions; soluble in hot ethanol, acetone
Supply & Packaging
- Packaging
- 25 kg HDPE bag25 kg carton with PE liner
- Grades Available
- Technical
- Lead Time
- Ex-stock to 5 working days
- Origin
- Domestic
Compliance & Storage
- HS Code
- 2915.70.50
- UN Number
- Not regulated
- Hazard Class
- Not classified as dangerous goods
- Storage
- Cool, dry area away from heat (> 30°C) and moisture. Keep tightly sealed.
- Shelf Life
- 24 months from manufacture
These specs are indicative. Request a Certificate of Analysis (COA) for batch-specific values.
Source Manufacturers
Sourced directly from verified manufacturers for consistent quality and traceability.
Supplied across South IndiaCoimbatoreMaduraiHosurBangaloreHyderabadVisakhapatnamKochi
Frequently Asked Questions
What does GMS stand for, and what is Glycerol Mono Stearate?
GMS is the standard abbreviation for Glycerol Mono Stearate, also written Glycerol Monostearate or Glyceryl Monostearate. It is a glycerol ester of stearic acid, CAS 31566-31-1, and we supply it as GMS Powder in creamish white technical grade.
What is the CAS number and HSN code for Glycerol Mono Stearate?
The CAS number for Glycerol Mono Stearate is 31566-31-1. The HSN code shown on our technical data sheet (SPC-TDS-FAT-003) is 2915 70 50.
What grade of GMS do you supply, and what are the typical specification values?
We supply GMS Powder in technical grade. Typical values from the manufacturer's certificate of analysis (Fine Organics) are: appearance creamish white powder, acid value 0-3 mg KOH/g, iodine value 0-3 g I2/100g, melting point 55-65 C, monoester content 40-48%, and saponification value 145-160 mg KOH/g. These are manufacturer COA values, not SPC test data.
Is Glycerol Mono Stearate soluble in water?
No. GMS is insoluble in water but forms emulsions, and it is soluble in hot ethanol and acetone.
Is Glycerol Mono Stearate hazardous, and how should it be stored?
GMS is a non-hazardous solid: not regulated for transport and not classified as dangerous goods, so it carries no UN number. Keep it in the original sealed packing at ambient temperature, in a cool dry area away from heat (above 30 C), moisture, direct sunlight and other chemicals; shelf life is 24 months from manufacture. Being a powder, it may form agglomerates or lumps in transit or storage.
Can I buy GMS powder in 25 kg bags in Chennai?
Yes. We stock Glycerol Mono Stearate in 25 kg bags at our Redhills, Chennai warehouse and dispatch across South India, with lead time from ex-stock to 5 working days. Call or WhatsApp +91 86087 80096 for a quote; order sizes depend on packaging and current stock. The SPC TDS and MSDS for GMS are both downloadable from this page.
Packaging Options
Product Details
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