Free lookupCAS 124-38-9

Carbon dioxide

CAS 124-38-9 · PubChem CID 280 · CO2 · 44.009 g/mol

Also called carbon dioxide, carbonic anhydride, carbonic acid gas, Carbonic acid anhydride, methanedione.

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01GHS classification

Compressed Gas

Signal word

Warning

European Chemicals Agency (ECHA) — fetched 2026-08-28

Precautionary statement codes

P282, P336+P317, P403, and P410+P403

European Chemicals Agency (ECHA) — fetched 2026-08-28

H280Contains gas under pressure; may explode if heated

European Chemicals Agency (ECHA) — fetched 2026-08-28

H281Contains refrigerated gas; may cause cryogenic burns or injury

European Chemicals Agency (ECHA) — fetched 2026-08-28

02Physical and chemical properties

Appearance

Odourless colourless compressed liquefied gas.

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

Odour

Odorless

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

Melting point

-56.558 °C (triple point)

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

Boiling point

-78.464 °C (sublimes)

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

Flash point

no value printed

unsourced — inference candidate

Auto-ignition temperature

no value printed

unsourced — inference candidate

Flammable limits

no value printed

unsourced — inference candidate

Vapour pressure

no value printed

unsourced — inference candidate

Relative density

no value printed

unsourced — inference candidate

Solubility in water

no value printed

unsourced — inference candidate

Partition coefficient, log Kow

no value printed

unsourced — inference candidate

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.

Everything above is free and stays free. For $5 the same sourced values are assembled into a 16-section safety data sheet and a print-ready GHS label carrying your company details in Section 1.

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What we read

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

8 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