C4H5N
67.09 g/mol
Industrial ChemicalDanger
3-BUTENENITRILE
CAS109-75-1EC203-701-1
Category
Industrial Chemical
Compound Class
Other
Primary Use
aliphatic nitrile industrial intermediate
3-Butenenitrile, also known as allyl cyanide, is an aliphatic nitrile compound featuring a vinyl group attached to the nitrile moiety. It is naturally reported in plants such as Brassica oleracea and has been investigated for roles as an antifeedant and neurotoxin.
industrial intermediate in organic synthesisantifeedantneurotoxin research compound
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
3-Hydroxypropionitrile
CAS109-78-4
Solvent for cellulose esters and organic synthesis
ReferenceSame Category
1-butanethiol
CAS109-79-5
Odorant for natural gas
ReferenceSame Category
2-(methylamino)ethanol
CAS109-83-1
acid gas scrubbing and electrostatic coatings
ReferenceSame Category
Ethylene glycol monomethyl ether
CAS109-86-4
solvent for varnishes, dyes, and resins
Safety Reference
Danger
H226Flammable liquid and vapour
H301Toxic if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H331Toxic if inhaled
H360May damage fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 3-BUTENENITRILE (CAS 109-75-1) is 2926.90.
HS code (international, 6-digit)
2926.90
EU CN code (8-digit)
2926 90 70
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
but-3-enenitrile
InChIKey
SJNALLRHIVGIBI-UHFFFAOYSA-N
SMILES
C=CCC#N
Synonyms (18)
- 1-Butene-3-nitrile
- 1-Butene-4-nitrile
- 1-Propene-3-nitrile
- 2-Butenol-1
- 2-Propenyl cyanide
- 3-BUTENENITRILE
- 3-Butenenitrile, 9CI
- 3-Butenonitrile
- 3-Butenylnitrile
- 3-Cyano-1-propene
- 3-Cyanopropene
- Acetonitrile, vinyl-
- Allyl cyanide
- Allylkyanid
- Allylkyanid [Czech]
- Allylnitrile
- Vinylacetonitrile
- beta-Butenonitrile
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