2,2',3,3',4,4',5-Heptachlorobiphenyl
Also known as: PCB 170, 2,2',3,3',4,4',5-Heptachloro-1,1'-biphenyl, 1,1'-Biphenyl, 2,2',3,3',4,4',5-heptachloro-, BZ No 170, CB-170, PCB No 170, 2,2',3,3',4,4',5-PCB
2,2',3,3',4,4',5-Heptachlorobiphenyl (CAS 35065-30-6) 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 395.323 g/mol. Key properties include a melting point of 135°C, a boiling point of 428.1±40.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 213.6±24.7 °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.
- 35065-30-6
- Jingsj CID
- J-1992869-9
- Molecular Formula
- C12H3Cl7
- Molecular Weight
- 395.323 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 135°C |
|---|---|
| Boiling Point | 428.1±40.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 213.6±24.7 °C |
| Exact Mass | 391.805450 |
| LogP | 7.11 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.633 |
| Storage Conditions | room temp |
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 2,2',3,3',4,4',5-Heptachlorobiphenyl?
The CAS number of 2,2',3,3',4,4',5-Heptachlorobiphenyl is 35065-30-6.
What are the molecular formula and molecular weight of 2,2',3,3',4,4',5-Heptachlorobiphenyl?
2,2',3,3',4,4',5-Heptachlorobiphenyl has molecular formula C12H3Cl7 and molecular weight 395.323 g/mol.
Is 2,2',3,3',4,4',5-Heptachlorobiphenyl hazardous?
2,2',3,3',4,4',5-Heptachlorobiphenyl 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. "2,2',3,3',4,4',5-Heptachlorobiphenyl (CAS 35065-30-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992869-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.