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acetylene; ethyne

CAS 74-86-2 · C2H2

Hazard class

Danger — Flammable, Gas under pressure

Pictograms

FlammableGas under pressure

H-statements

H220 Extremely flammable gas

Common uses (US EPA CDR)

FuelIntermediateMonomersHeat transferring agentFuel agents

Workplace exposure limits

NIOSH REL C 2500 ppm (2662 mg/m3)
OSHA PEL none NIOSH
IDLH N.D.

Occupational exposure limits — NIOSH Pocket Guide.

Synonyms

ACETYLENE · Ethyne · Narcylen · Ethine · Acetylen · Vinylene · OC7TV75O83 · acetylene;ethyne

Molecular weight

26.04 g/mol

Browse similar

Flammable · Gas under pressure

Data source

Harmonised classification ECHA — EU CLP Annex VI

Legally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.

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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent is a free chemical safety search. Browse categories · API · Console

Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.