C5H8
68.12 g/mol
Industrial ChemicalDanger
1,4-PENTADIENE
CAS591-93-5EC209-736-9
Category
Industrial Chemical
Compound Class
Other
Primary Use
Industrial chemical intermediate
1,4-Pentadiene is a colorless liquid that is less dense than water and does not mix with it, causing it to float on water. It is an industrial chemical intermediate used primarily in the synthesis of other compounds.
Industrial chemical intermediate
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
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Chemical intermediate for synthesis
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Cationic photoinitiator
ReferenceSame Category
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Chemical intermediate and comonomer
ReferenceSame Category
2-Bromoethyl ethyl ether
CAS592-55-2
chemical intermediate and insecticide precursor
Safety Reference
Danger
H224Extremely flammable liquid and vapour
H304May be fatal if swallowed and enters airways
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1,4-PENTADIENE (CAS 591-93-5) 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
penta-1,4-diene
InChIKey
QYZLKGVUSQXAMU-UHFFFAOYSA-N
SMILES
C=CCC=C
Synonyms (5)
- 1,4-PENTADIENE
- Penta-1,4-diene
- Pentadiene-1,4
- allylethylene
- divinylmethane
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