1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin
Also known as: 1,2,3,7,8,9-HCDD, 1,2,3,7,8,9-HXCDD, 1,2,3,7,8,9-HxCDD, PCDD 70, d70, D 70, Dibenzo-p-dioxin, 1,2,3,7,8,9-hexachloro-, 1,2,3,7,8,9-hexachloro-dibenzo-p-dioxi, 1,2,3,7,8,9-hexachlorodibenzodioxin, 1,2,3,7,8,9-hexachlorooxanthrene, 1,2,3,7,8,9-hexachlorodibenzo(b,e)(1,4)dioxin, 1,2,3,7,8,9-hexachlorodibenzo[1,4]dioxin, 1,2,3,7,8,9-hexachlorinated dibenzodioxin
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin (CAS 19408-74-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H2Cl6O2 and a molecular weight of 390.86100 g/mol. Key properties include a boiling point of 478ºC at 760mmHg, a density of 1.777g/cm3 and a flash point of 182.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19408-74-3
- Jingsj CID
- J-1040699-9
- Molecular Formula
- C12H2Cl6O2
- Molecular Weight
- 390.86100 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 478ºC at 760mmHg |
|---|---|
| Density | 1.777g/cm3 |
| Flash Point | 182.9ºC |
| Exact Mass | 387.81900 |
| PSA | 18.46000 |
| LogP | 7.50500 |
| Vapor Pressure | 7.72E-09mmHg at 25°C |
| Refractive Index | 1.666 |
Customs & Trade Information
| HS Code | 2932999060 |
|---|---|
| Summary | 2932999060. Dioxin,Furan(polychorinated dibenzo-p-dioxines,polychlorinated dibenzofurans). VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:89(articles on the list of prohibited export goods,articles on the list of prohibited import goods). MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin?
The CAS number of 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin is 19408-74-3.
What are the molecular formula and molecular weight of 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin?
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin has molecular formula C12H2Cl6O2 and molecular weight 390.86100 g/mol.
What are the upstream and downstream products of 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin?
For 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin, Upstream Products: Chlorobenzene, Tetrachloroethylene, Dimethachlor.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin (CAS 19408-74-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1040699-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.