C5H10
70.13 g/mol
Industrial ChemicalDanger
(E)-2-Pentene
CAS646-04-8EC261-403-7
Category
Industrial Chemical
Compound Class
Other
Primary Use
solvent and organic synthesis
(E)-2-Pentene is a colorless liquid with a hydrocarbon odor, typically handled as a mixture of isomers. It is used as a solvent and in organic synthesis, serving as an industrial chemical for various manufacturing processes.
hydrocarbon solventintermediate for petroleum resinsintermediate for sec-amyl alcohols
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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Safety Reference
Danger
H224Extremely flammable liquid and vapour
H225Highly flammable liquid and vapour
H302Harmful if swallowed
H304May be fatal if swallowed and enters airways
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for (E)-2-Pentene (CAS 646-04-8) is 2901.29.
HS code (international, 6-digit)
2901.29
EU CN code (8-digit)
2901 29 00
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
(E)-pent-2-ene
InChIKey
QMMOXUPEWRXHJS-HWKANZROSA-N
SMILES
CC/C=C/C
Synonyms (16)
- (2E)-2-Pentene
- (2E)-pent-2-ene
- (E)-2-Pentene
- (E)-pent-2-ene
- 2-PENTENE
- 2-PENTENE (E)-FORM
- 2-PENTENE, TRANS-
- 2-Pentene, (2E)-
- 2-Pentene, (E)-
- 2-Pentene, cis + trans
- 2-trans-Pentene
- 3-Pentene
- beta-n-Amylene
- sym-Methylethylethylene
- trans-beta-Amylene
- trans-beta-N-Amylene
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