Molekula
Glycerin - USP CRS
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
Glycerin (USP CRS) is a simple polyol compound and a colorless, odorless, viscous liquid widely used in pharmaceuticals, cosmetics, and food industries as a humectant, solvent, and sweetener. It is also a key ingredient in personal care products like lotions and soaps. This chemical has a CAS number of 56-81-5, with the molecular formula C3H8O3 and a molecular weight of 92.05. It requires storage at ambient conditions and carries no signal word for hazard classification. Molekula supplies Glycerin - USP CRS 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Syrupy, rhombic plates |
| Odour | Mild odor |
| Melting Point | 18.1 °C |
| Boiling Point | 290 °C |
| Density | 1.26 (relative, water = 1) |
| Water Solubility | 5296 g/L at 25 °C |
| Vapour Pressure | 0.01 Pa at 25 °C |
| Refractive Index | 1.4746 |
| pKa | pKa = 14.4 |
| log P (octanol/water) | -1.76 |
Source: PubChem CID 753 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90033648 |
| CAS Number | 56-81-5 |
| IUPAC Name | propane-1,2,3-triol |
| EC Number | 200-289-5 |
| Molecular Formula | C3H8O3 |
| Molecular Weight | 92.05 |
| Exact Mass | 92.0473 |
| SMILES | C(C(CO)O)O |
| InChIKey | PEDCQBHIVMGVHV-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H8O3/c4-1-3(6)2-5/h3-6H,1-2H2 |
| PubChem CID | 753 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29054500 |
| Tariff Code | 1520000000 |
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
- 1,2,3-Propanetriol
- 1,2,3-trihydroxypropane
- glycerin
- Glycerine
- Glyceritol
- glycerol
- Glycyl alcohol
- Glyrol
- Osmoglyn
- Trihydroxypropane
Frequently asked questions
What is USP-grade glycerin used for?
USP-grade glycerin is primarily used in pharmaceuticals, cosmetics, and food applications where purity and safety are critical, such as in ointments, lotions, and as a sweetener or humectant.
What is the chemical formula and molecular weight of glycerin?
The chemical formula is **C₃H₈O₃** and the molecular weight is **92.05 g/mol**.
How should USP-grade glycerin be stored?
Store in a tightly sealed container at ambient temperature, away from direct sunlight and moisture.
What grade of glycerin does Molekula supply, and is USP CRS available?
Molekula supplies **USP-grade glycerin**, including **USP CRS (Certified Reference Standard)** for analytical and regulatory purposes.
Can Molekula supply USP-grade glycerin in bulk quantities?
Yes, bulk quantities of USP-grade glycerin are available upon request—please contact our sales team for custom packaging and pricing.
What documentation comes with an order of USP CRS glycerin?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **USP CRS compliance documentation** for traceability and regulatory 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.