2,3,3',4,4',5',6-Heptachlorobiphenyl
2,3,3',4,4',5',6-七氯联苯
Also known as: PCB No 191, BZNO 191, 1,2,3,5-tetrachloro-4-(3,4,5-trichlorophenyl)benzene, 2,3,3',4,4',5',6-HEPTACB CERTIFIED STANDARD
2,3,3',4,4',5',6-Heptachlorobiphenyl (CAS 74472-50-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H3Cl7 and a molecular weight of 395.32300 g/mol. It is also known as PCB No 191, BZNO 191 and 1,2,3,5-tetrachloro-4-(3,4,5-trichlorophenyl)benzene. Key properties include a melting point of 131.31°C (estimate), a boiling point of 426.2ºC at 760 mmHg, a density of 1.658g/cm3 and a flash point of 212.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74472-50-7
- Jingsj CID
- J-933113-0
- Molecular Formula
- C12H3Cl7
- Chinese Name
- 2,3,3',4,4',5',6-七氯联苯
- Molecular Weight
- 395.32300 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 131.31°C (estimate) |
|---|---|
| Boiling Point | 426.2ºC at 760 mmHg |
| Density | 1.658g/cm3 |
| Flash Point | 212.2ºC |
Frequently Asked Questions
What is the CAS number of 2,3,3',4,4',5',6-Heptachlorobiphenyl?
The CAS number of 2,3,3',4,4',5',6-Heptachlorobiphenyl is 74472-50-7.
What are the molecular formula and molecular weight of 2,3,3',4,4',5',6-Heptachlorobiphenyl?
2,3,3',4,4',5',6-Heptachlorobiphenyl has molecular formula C12H3Cl7 and molecular weight 395.32300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3,3',4,4',5',6-Heptachlorobiphenyl (CAS 74472-50-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-933113-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.