4-Chlorobiphenyl
Also known as: 4-Chloro-1,1'-biphenyl, 1-Chloro-4-phenylbenzene, p-Chlorobiphenyl, p-Chlorodiphenyl, 4-Chlorodiphenyl, 4-Monochlorobiphenyl, 4-PCB, Biphenyl, 4-chloro-, 1,1'-Biphenyl, 4-chloro-
4-Chlorobiphenyl (CAS 2051-62-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H9Cl and a molecular weight of 188.653 g/mol. Key properties include a melting point of 77.7ºC, a boiling point of 289.0±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 127.0±8.6 °C. It is classified under GHS with signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2051-62-9
- Jingsj CID
- J-1361086-5
- Molecular Formula
- C12H9Cl
- Molecular Weight
- 188.653 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 77.7ºC |
|---|---|
| Boiling Point | 289.0±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 127.0±8.6 °C |
| Exact Mass | 188.039276 |
| LogP | 4.55 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.583 |
| Additional Property | <0.1 g/100 mL at 22 ºC |
GHS Safety & Compliance
- H373 — May cause damage to organs through prolonged exposure
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2903999090 |
|---|---|
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Chlorobiphenyl?
The CAS number of 4-Chlorobiphenyl is 2051-62-9.
What are the molecular formula and molecular weight of 4-Chlorobiphenyl?
4-Chlorobiphenyl has molecular formula C12H9Cl and molecular weight 188.653 g/mol.
Is 4-Chlorobiphenyl hazardous?
4-Chlorobiphenyl has GHS signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure; H410 — Very toxic to aquatic life with long lasting effects.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chlorobiphenyl (CAS 2051-62-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361086-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.