3,3',4,5,5'-Pentachlorobiphenyl
3,3',4,5,5'-五氯联苯
Also known as: PCB 127, BZNO 127, 1,1'-Biphenyl, 3,3',4,5,5'-pentachloro-, 3,3',4,5,5'-Pentachloro-1,1'-biphenyl, 3,3',4,5,5'-Pentachloro[1,1'-biphenyl]
3,3',4,5,5'-Pentachlorobiphenyl (CAS 39635-33-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H5Cl5 and a molecular weight of 326.43300 g/mol. It is also known as PCB 127, BZNO 127 and 1,1'-Biphenyl, 3,3',4,5,5'-pentachloro-. Key properties include a melting point of 95.86°C (estimate), a boiling point of 410.3ºC at 760mmHg, a density of 1.522g/cm3 and a flash point of 206.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 39635-33-1
- Jingsj CID
- J-1027076-3
- Molecular Formula
- C12H5Cl5
- Chinese Name
- 3,3',4,5,5'-五氯联苯
- Molecular Weight
- 326.43300 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 95.86°C (estimate) |
|---|---|
| Boiling Point | 410.3ºC at 760mmHg |
| Density | 1.522g/cm3 |
| Flash Point | 206.9ºC |
Frequently Asked Questions
What is the CAS number of 3,3',4,5,5'-Pentachlorobiphenyl?
The CAS number of 3,3',4,5,5'-Pentachlorobiphenyl is 39635-33-1.
What are the molecular formula and molecular weight of 3,3',4,5,5'-Pentachlorobiphenyl?
3,3',4,5,5'-Pentachlorobiphenyl has molecular formula C12H5Cl5 and molecular weight 326.43300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3',4,5,5'-Pentachlorobiphenyl (CAS 39635-33-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1027076-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.