Free lookupCAS 74-86-2
Acetylene
CAS 74-86-2 · PubChem CID 6326 · C2H2 · 26.04 g/mol
Also called ACETYLENE, Ethyne, Narcylen, Ethine, Acetylen.
Opens the builder with Acetylene loaded
as component 1 at 100%.
Signal word
Danger
Regulation (EC) No 1272/2008 of the European Parliament and of the Council — fetched 2026-08-28
Precautionary statement codes
P203, P210, P222, P280, P377, P381, and P403
Regulation (EC) No 1272/2008 of the European Parliament and of the Council — fetched 2026-08-28
Regulation (EC) No 1272/2008 of the European Parliament and of the Council — fetched 2026-08-28
- Appearance
Colourless gas dissolved in acetone under pressure.
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Odour
Not unpleasant odor unless impure (due to phosphine)
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
- Melting point
-80.7 °C (triple point)
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
- Boiling point
-84.7 °C (sublimation point)
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
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.
Start a document — $5What we read
Regulation (EC) No 1272/2008 of the European Parliament and of the Council, ILO-WHO International Chemical Safety Cards (ICSCs), Hazardous Substances Data Bank (HSDB).
8 sourced records for this substance are in the ledger. Values dated more than 30 days ago are re-fetched on the next document.
- N,N-diethyl-m-toluamide134-62-3 · 15 records
- Vanillin121-33-5 · 15 records
- Cetyl alcohol36653-82-4 · 13 records
- Methyl salicylate119-36-8 · 13 records
- 2-Hydroxyethyl methacrylate868-77-9 · 12 records
- Hydrochloric acid7647-01-0 · 12 records
- Stearic acid57-11-4 · 12 records
- Sodium benzoate532-32-1 · 11 records
Browse every chemical in the ledger · What a GHS safety data sheet contains