Free lookupCAS 56-81-5

Glycerol

CAS 56-81-5 · PubChem CID 753 · C3H8O3 · 92.09 g/mol

Also called glycerol, glycerin, Glycerine, 1,2,3-Propanetriol, Glycyl alcohol.

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01GHS classification

No harmonised GHS classification is published for this substance in the sources we read. We will not guess one.

02Physical and chemical properties

Appearance

Hygroscopic viscous colourless liquid.

ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28

Odour

MILD ODOR

Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28

Melting point

18 °C

ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28

Boiling point

290 °C

ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28

Flash point

176 °C c.c.

ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28

Auto-ignition temperature

393 °C

ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28

Flammable limits

Class IIIB Combustible Liquid: Fl.P. at or above 200 °F.

The National Institute for Occupational Safety and Health (NIOSH) — fetched 2026-08-28

Vapour pressure

Vapor pressure, Pa at 25 °C: 0.01

ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28

Relative density

Relative density (water = 1): 1.26

ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28

Solubility in water

Solubility in water: miscible

ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28

Partition coefficient, log Kow

-1.76

ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28

Viscosity

no value printed

unsourced — inference candidate

03Toxicological information

No published acute toxicity value was found for this substance in the sources we read. On a document, Section 11 would print unsourced — inference candidate rather than an estimate.

This page is the evidence. The document is the deliverable.

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What we read

ILO-WHO International Chemical Safety Cards (ICSCs), Hazardous Substances Data Bank (HSDB), The National Institute for Occupational Safety and Health (NIOSH).

19 sourced records for this substance are in the ledger. Values dated more than 30 days ago are re-fetched on the next document.

04Also in the ledger

Browse every chemical in the ledger · What a GHS safety data sheet contains