2,2',3,4',5,5',6-Heptachlorobiphenyl
Also known as: 2,2',3,4',5,5',6-Heptachloro-1,1'-biphenyl, PCB 187, BZ NO 187, 1,1'-Biphenyl, 2,2',3,4',5,5',6-heptachloro-, 1,2,4,5-tetrachloro-3-(2,4,5-trichlorophenyl)benzene, Lactic Acid Impurity 32, PCB NO 187
2,2',3,4',5,5',6-Heptachlorobiphenyl (CAS 52663-68-0) 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 149°C, a boiling point of 408.2±40.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 198.9±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.
- 52663-68-0
- Jingsj CID
- J-1250-0
- 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 | 149°C |
|---|---|
| Boiling Point | 408.2±40.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 198.9±24.7 °C |
| Exact Mass | 391.805450 |
| LogP | 7.12 |
| Vapor Pressure | 0.0±0.9 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',3,4',5,5',6-Heptachlorobiphenyl?
The CAS number of 2,2',3,4',5,5',6-Heptachlorobiphenyl is 52663-68-0.
What are the molecular formula and molecular weight of 2,2',3,4',5,5',6-Heptachlorobiphenyl?
2,2',3,4',5,5',6-Heptachlorobiphenyl has molecular formula C12H3Cl7 and molecular weight 395.323 g/mol.
Is 2,2',3,4',5,5',6-Heptachlorobiphenyl hazardous?
2,2',3,4',5,5',6-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',3,4',5,5',6-Heptachlorobiphenyl (CAS 52663-68-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1250-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.