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Molekula

Molekula

Glycerol

SKU 21181733 CAS 56-81-5 C3H8O3 MW 92.05 In stock (5+ packs) — same-day dispatch Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Glycerol is a colorless, odorless, viscous liquid commonly used as a humectant, solvent, and intermediate in chemical synthesis. It is widely applied in pharmaceuticals, cosmetics, food, and industrial processes. Available in high purity with a molecular weight of 92.05 g/mol, CAS number 56-81-5, and stable at ambient storage conditions. Molekula supplies Glycerol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

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Pricing & pack sizes

Pack sizes & pricing

In stock — dispatched within 2 working days

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.

  • 1 L — £29.50 per pack ex VAT · £35.40 inc. VAT
  • 500 mL — £22.00 per pack ex VAT · £26.40 inc. VAT

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Specifications

Property Value
Appearance Colourless, Odourless, Viscous Liquid
Refractive Index 1.470 - 1.475
Colour (Pt-Co) ≤ 10
Water ≤ 1.0%
Identification Conforms to reference
Chloride (Cl-) ≤ 10ppm
Assay ⩾ 99.0%
Sulphated Ash ≤ 0.01%
Aldehydes ≤ 10ppm
Halogenated Compounds ≤ 35ppm
Heavy Metals (Pb) ≤ 5ppm
Identification (RAMAN) Conforms to Reference

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 21181733
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

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
  • Glycyl alcohol
  • Glyrol
  • Glysanin
  • Osmoglyn
  • Trihydroxypropane

Frequently asked questions

What is glycerol used for?

Glycerol is commonly used in pharmaceuticals, cosmetics, and food products as a humectant, solvent, and sweetener.

What is the chemical formula and molecular weight of glycerol?

The formula is C3H8O3 and the molecular weight is 92.05 g/mol.

How should glycerol be stored?

Glycerol should be stored at ambient temperature, away from direct sunlight and moisture.

What grade of glycerol does Molekula supply?

Molekula supplies pharmaceutical-grade glycerol suitable for use in regulated applications.

Can Molekula supply glycerol in bulk?

Yes, Molekula can supply glycerol in bulk quantities; please contact us for pricing and availability.

What documentation comes with a glycerol order?

Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.

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