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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 at ⩾ 99.0% purity in 500 mL and 1 L packs, from £26.40 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.

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 — same-day dispatch

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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Prices exclude VAT/sales tax and shipping.

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.

Quality certificates

Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.

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 high-purity glycerol with an assay of at least 99.0%, water content of no more than 1.0% and heavy metals (Pb) of no more than 5 ppm. Please refer to the Certificate of Analysis for full specification details.

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.

Where can I buy Glycerol?

Directly from Molekula, which lists Glycerol in 500 mL and 1 L packs from £26.40 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.

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