2,4,4',5-Tetrachlorobiphenyl
2,4,4',5-四氯联苯
Also known as: 2,4,4',5-Tetrachlorobiphenyl, PCB 74, CB-74, BZNO 74, 1,1'-Biphenyl, 2,4,4',5-tetrachloro-, 2,4,4',5-Tetrachloro-1,1'-biphenyl
2,4,4',5-Tetrachlorobiphenyl (CAS 32690-93-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H6Cl4 and a molecular weight of 291.988 g/mol. It is also known as PCB 74, CB-74 and BZNO 74. Key properties include a melting point of 125°C, a boiling point of 358.4±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 171.9±23.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 32690-93-0
- Jingsj CID
- J-1309487-2
- Molecular Formula
- C12H6Cl4
- Chinese Name
- 2,4,4',5-四氯联苯
- Molecular Weight
- 291.988 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 125°C |
|---|---|
| Boiling Point | 358.4±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 171.9±23.9 °C |
Frequently Asked Questions
What is the CAS number of 2,4,4',5-Tetrachlorobiphenyl?
The CAS number of 2,4,4',5-Tetrachlorobiphenyl is 32690-93-0.
What are the molecular formula and molecular weight of 2,4,4',5-Tetrachlorobiphenyl?
2,4,4',5-Tetrachlorobiphenyl has molecular formula C12H6Cl4 and molecular weight 291.988 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4,4',5-Tetrachlorobiphenyl (CAS 32690-93-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1309487-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.