1-Chloro-4-ethynylbenzene
1-氯-4-乙炔基苯
Also known as: 4-Chlorophenylacetylene, 4-Ethynyl-1-chlorobenzene, (4-Chlorophenyl)ethyne, (p-Chlorophenyl)acetylene, p-Ethynylchlorobenzene, 1-Chloro-4-ethynylbenzene
- CAS No.
- 873-73-4
- Jingsj CID
- J-44477-6
- Molecular Formula
- C8H5Cl
- Chinese Name
- 1-氯-4-乙炔基苯
- Molecular Weight
- 136.578 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 45-47 °C(lit.) |
|---|---|
| Boiling Point | 178.5±23.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 57.3±18.0 °C |
GHS Safety & Compliance
Flammable / IrritantSignal word: Danger
Frequently Asked Questions
What is the CAS number of 1-Chloro-4-ethynylbenzene?
873-73-4
What are the molecular formula and molecular weight of 1-Chloro-4-ethynylbenzene?
C8H5Cl, molecular weight 136.578 g/mol
Is 1-Chloro-4-ethynylbenzene hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026