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but-1-ene [1] butene, mixed-1-and-2-isomers [2] 2-methylpropene [3] (Z)-but-2-ene [4] (E)-but-2-ene [5]

CAS 106-98-9 · C4H8

Hazard class

Danger — Flammable, Gas under pressure

Pictograms

FlammableGas under pressure

H-statements

H220 Extremely flammable gas

Common uses (US EPA CDR)

IntermediateFuelMonomers

Synonyms

1-BUTENE · But-1-ene · Ethylethylene · 1-Butylene · alpha-Butylene · Butene-1 · alpha-Butene · LY001N554L

Molecular weight

56.11 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). SNRL is a free chemical safety search. Browse categories · API · Console

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