Free lookupCAS 50-00-0

Formaldehyde

CAS 50-00-0 · PubChem CID 712 · CH2O · 30.026 g/mol

Also called formaldehyde, formalin, methanal, formol, Formic aldehyde.

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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

no value printed

unsourced — inference candidate

Odour

no value printed

unsourced — inference candidate

Melting point

no value printed

unsourced — inference candidate

Boiling point

no value printed

unsourced — inference candidate

Flash point

no value printed

unsourced — inference candidate

Auto-ignition temperature

no value printed

unsourced — inference candidate

Flammable limits

Lower flammable limit: 7.0% by volume; Upper flammable limit: 73% by volume

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

Vapour pressure

no value printed

unsourced — inference candidate

Relative density

Relative density (water = 1): 0.8

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

Solubility in water

Solubility in water: very good

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

Partition coefficient, log Kow

0,35

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

Viscosity

0.1421 cP at 25 °C

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

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.

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What we read

Hazardous Substances Data Bank (HSDB), ILO-WHO International Chemical Safety Cards (ICSCs).

13 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