2,3,4-Trichlorobiphenyl
2,3,4-三氯联苯
Also known as: PCB 21, BZNO 21, 2,3,4-CB, PCB NO 21, 2,3,4-Trichlorobiphenyl-d5, 234TRICHLOROBIPHENYL(2,3,4-TRICHLOROISOMER), PCB NO.21-2,3,4-Trichlorobiphenyl, PCB No. 21
2,3,4-Trichlorobiphenyl (CAS 55702-46-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H7Cl3 and a molecular weight of 257.54300 g/mol. It is also known as PCB 21, BZNO 21 and 2,3,4-CB. Key properties include a melting point of 101-102ºC, a boiling point of 335.8ºC at 760 mmHg, a density of 1.351g/cm3 and a flash point of 230.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55702-46-0
- Jingsj CID
- J-870400-9
- Molecular Formula
- C12H7Cl3
- Chinese Name
- 2,3,4-三氯联苯
- Molecular Weight
- 257.54300 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 101-102ºC |
|---|---|
| Boiling Point | 335.8ºC at 760 mmHg |
| Density | 1.351g/cm3 |
| Flash Point | 230.8ºC |
Frequently Asked Questions
What is the CAS number of 2,3,4-Trichlorobiphenyl?
The CAS number of 2,3,4-Trichlorobiphenyl is 55702-46-0.
What are the molecular formula and molecular weight of 2,3,4-Trichlorobiphenyl?
2,3,4-Trichlorobiphenyl has molecular formula C12H7Cl3 and molecular weight 257.54300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3,4-Trichlorobiphenyl (CAS 55702-46-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-870400-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.