C8H6
102.13 g/mol
Research ReagentDanger
Ethynylbenzene
CAS536-74-3EC208-645-1
Category
Research Reagent
Compound Class
Aromatic
Primary Use
Research Compound
Ethynylbenzene is an alkyne hydrocarbon containing a phenyl group, existing as a colorless, viscous liquid. It is employed in research as a convenient liquid analog of acetylene for laboratory studies.
research reagent for acetylene analog studies
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
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ReferenceSame Category
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research compound
Safety Reference
Danger
H226Flammable 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 Ethynylbenzene (CAS 536-74-3) is 2902.90.
HS code (international, 6-digit)
2902.90
EU CN code (8-digit)
2902 90 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
ethynylbenzene
InChIKey
UEXCJVNBTNXOEH-UHFFFAOYSA-N
SMILES
C#CC1=CC=CC=C1
Synonyms (20)
- 1-Phenylethyne
- 1-ethynylbenzene
- 1-phenylacetylene
- Acetylene, phenyl-
- Benzene, ethynyl-
- ETHYNYL-D-BENZENE
- Ethinylbenzene
- Ethyne, phenyl-
- Ethynylbenzene
- Phenylacethylene
- Phenylacetylene, ~98%
- Phenylacetylide
- Phenylethyne
- ethynylbenzen
- phenyl-acetylene
- phenylacetylen
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