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Free lookupCAS 144-62-7

Oxalic acid

CAS 144-62-7 · PubChem CID 971 · C2H2O4 · 90.03 g/mol

Also called oxalic acid, ethanedioic acid, Aktisal, Aquisal, Oxiric acid.

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Opens the builder with Oxalic acid loaded
as component 1 at 100%.

01GHS classification
GHS pictogram: Irritant
Irritant

Precautionary statement codes

P264, P270, P280, P301+P317, P302+P352, P317, P321, P330, P362+P364, and P501

Regulation (EC) No 1272/2008 of the European Parliament and of the Councilfetched 2026-08-28

H312Harmful in contact with skin
02Physical and chemical properties
Appearance

Hygroscopic colourless crystals or white powder.

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

Odour

Odorless.

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

Melting point

189.5 °C

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

Boiling point

Sublimes (NIOSH, 2024)

CAMEO Chemicalsfetched 2026-08-28

Flash point

no value printed

unsourced — inference candidate

Auto-ignition temperature

Not flammable (USCG, 1999)

CAMEO Chemicalsfetched 2026-08-28

Flammable limits

Combustible Solid

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

Vapour pressure

no value printed

unsourced — inference candidate

Relative density

no value printed

unsourced — inference candidate

Solubility in water

Solubility in water, g/100ml at 20 °C: 9-10 (moderate)

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

Partition coefficient, log Kow

-0.81

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

Regulation (EC) No 1272/2008 of the European Parliament and of the Council, Hazardous Substances Data Bank (HSDB), ILO-WHO International Chemical Safety Cards (ICSCs), CAMEO Chemicals, The National Institute for Occupational Safety and Health (NIOSH).

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