C6H10
82.14 g/mol
Industrial ChemicalDanger
1-HEXYNE
CAS693-02-7EC211-736-9
Category
Industrial Chemical
Compound Class
Other
Primary Use
Organic synthesis building block
1-Hexyne is a hydrocarbon consisting of a straight six-carbon chain with a terminal alkyne group. It is a colorless liquid and one of three isomers of hexyne, used as a building block in organic synthesis.
Building block for organic synthesis
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
1-heptyne
CAS628-71-7
chemical synthesis intermediate
ApplicationSame Use
Bromoacetic acid
CAS79-08-3
Organic synthesis building block
ReferenceSame Category
Dodecanedioic acid
CAS693-23-2
Intermediate for plasticizers and polyesters
ReferenceSame Category
Distearyl thiodipropionate
CAS693-36-7
antioxidant for plastics and rubbers
ReferenceSame Category
1-bromononane
CAS693-58-3
alkylating agent in organic synthesis
ReferenceSame Category
1-methylcyclopentene
CAS693-89-0
chemical intermediate for hydroboration reactions
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-HEXYNE (CAS 693-02-7) 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
hex-1-yne
InChIKey
CGHIBGNXEGJPQZ-UHFFFAOYSA-N
SMILES
CCCCC#C
Synonyms (8)
- 1-HEXYNE
- HEXYNE
- 1-hexyn
- Butylacetylene
- Hex-1-yne
- n-Butylacetylene
- n-hexyne
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