C7H12
96.17 g/mol
Industrial ChemicalDanger
1-HEPTYNE
CAS628-71-7EC211-051-5
Category
Industrial Chemical
Compound Class
Other
Primary Use
chemical synthesis intermediate
1-Heptyne is an alkyne compound used primarily as an intermediate in organic chemical synthesis. Its structure consists of a seven-carbon chain with a terminal triple bond, making it a building block for more complex molecules.
chemical synthesis 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
SimilarStructure SimilarSimilarity 0.81
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Chemical intermediate for synthesis
Safety Reference
Danger
H225Highly flammable liquid and vapour
H304May be fatal if swallowed and enters airways
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1-HEPTYNE (CAS 628-71-7) 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
hept-1-yne
InChIKey
YVXHZKKCZYLQOP-UHFFFAOYSA-N
SMILES
CCCCCC#C
Synonyms (6)
- 1-HEPTYNE
- Amylacetylene
- Heptyne
- hept-1-yne
- n-C5H11C.$.CH
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