Molekula
Glyceryl monostearate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Glyceryl monostearate is a non-toxic emulsifier and thickener derived from glycerin and stearic acid, widely used in food, cosmetics, and pharmaceuticals to stabilize mixtures and improve texture. This white, waxy solid has a CAS number of 31566-31-1, a molecular formula of C17H35OCOCH2CH(OH)CH2OH, and a molecular weight of 358.56. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies glyceryl monostearate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £46.40 per pack ex VAT · £55.68 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | off-white or light yellow powder |
| Melting Point | 60 - 75°C |
| Water | ≤ 1.0% |
| Assay | ⩾ 90.0% |
| Free acid | ≤ 6.0% |
| Identification (IR) | Conforms to structure |
| Iodine value (g I2/100g) | ≤ 3.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Solubility (other solvents) | Insoluble in water; soluble in hot oils, organic solvents |
Source: PubChem CID 24699 (Joint FAO/WHO Expert Committee on Food Additives (JECFA))
Identification
| Property | Value |
|---|---|
| SKU | 44551896 |
| CAS Number | 31566-31-1 |
| IUPAC Name | 2,3-dihydroxypropyl octadecanoate |
| EC Number | 245-121-1 |
| Molecular Formula | C17H35OCOCH2CH(OH)CH2OH |
| Molecular Weight | 358.56 |
| Exact Mass | 358.3083 |
| SMILES | CCCCCCCCCCCCCCCCCC(=O)OCC(CO)O |
| InChIKey | VBICKXHEKHSIBG-UHFFFAOYSA-N |
| InChI | InChI=1S/C21H42O4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-21(24)25-19-20(23)18-22/h20,22-23H,2-19H2,1H3 |
| PubChem CID | 24699 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29157001 |
| Tariff Code | 2915705090 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1-Glyceryl stearate
- alpha-Monostearin
- Glycerin 1-monostearate
- Glycerin 1-stearate
- Glycerin monostearate
- Glyceryl 1-monostearate
- Monostearin
- Stearic acid 1-monoglyceride
- Stearin, 1-mono-
- Stearoylglycerol
Frequently asked questions
What is glyceryl monostearate commonly used for?
Glyceryl monostearate is primarily used as an emulsifier, thickener, and stabilizer in food, cosmetics, and pharmaceuticals, such as in creams, lotions, and baked goods.
What is the chemical formula and molecular weight of glyceryl monostearate?
The chemical formula is **C17H35OCOCH2CH(OH)CH2OH** and the molecular weight is **358.56 g/mol**.
How should glyceryl monostearate be stored?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and moisture.
What grades or purity levels of glyceryl monostearate does Molekula supply?
Molekula supplies **pharmaceutical (EP/BP/USP), food-grade (E471), and cosmetic-grade** glyceryl monostearate, depending on application requirements.
Can Molekula supply glyceryl monostearate in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25kg drums, 1MT big bags) for industrial, food, and pharmaceutical applications—please enquire for specific quantities.
What documentation is provided with a glyceryl monostearate order?
Each order includes a **Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation** for traceability and compliance.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.