1-chloro-4-(phenylethynyl)benzene
1-氯-4-(苯基乙炔基)苯
Also known as: (4-chlorophenyl)phenylacetylene, 4-(phenylethynyl)chlorobenzene, p-chlorodiphenylacetylene, NSC 407575, benzene, 1-chloro-4-(2-phenylethynyl)-
1-chloro-4-(phenylethynyl)benzene (CAS 5172-02-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H9Cl and a molecular weight of 212.67400 g/mol. It is also known as (4-chlorophenyl)phenylacetylene, 4-(phenylethynyl)chlorobenzene and p-chlorodiphenylacetylene. Key properties include a melting point of 81-83ºC(lit.), a boiling point of 327ºC at 760mmHg, a density of 1.19g/cm3 and a flash point of 146.4ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5172-02-1
- Jingsj CID
- J-20875-2
- Molecular Formula
- C14H9Cl
- Chinese Name
- 1-氯-4-(苯基乙炔基)苯
- Molecular Weight
- 212.67400 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 81-83ºC(lit.) |
|---|---|
| Boiling Point | 327ºC at 760mmHg |
| Density | 1.19g/cm3 |
| Flash Point | 146.4ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 1-chloro-4-(phenylethynyl)benzene?
The CAS number of 1-chloro-4-(phenylethynyl)benzene is 5172-02-1.
What are the molecular formula and molecular weight of 1-chloro-4-(phenylethynyl)benzene?
1-chloro-4-(phenylethynyl)benzene has molecular formula C14H9Cl and molecular weight 212.67400 g/mol.
Is 1-chloro-4-(phenylethynyl)benzene hazardous?
1-chloro-4-(phenylethynyl)benzene has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-chloro-4-(phenylethynyl)benzene (CAS 5172-02-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20875-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.