1,2,4,6,8/1,2,4,7,9-Pentachlorodibenzo-p-dioxin

1,2,4,6,8/1,2,4,7,9-五氯二苯并-对-二恶英

Also known as: 1,2,4,6,8-Pentachlorodibenzo-p-dioxin, 1,2,4,6,8-PCDD, 1,2,4,6,8-Pentachlorodibenzo[1,4]dioxin, 1,2,4,6,8-Pentachlorodibenzo[b,e][1,4]dioxin, 1,2,4,6,8-pentachlorooxanthrene, Dibenzo[b,e][1,4]dioxin, 1,2,4,6,8-pentachloro-, 1,2,4,6,8/1,2,4,7,9-Pentachlorodibenzo-p-dioxin

1,2,4,6,8/1,2,4,7,9-Pentachlorodibenzo-p-dioxin (CAS 71998-76-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H6Cl10O4 and a molecular weight of 712.83200 g/mol. It is also known as 1,2,4,6,8-Pentachlorodibenzo-p-dioxin, 1,2,4,6,8-PCDD and 1,2,4,6,8-Pentachlorodibenzo[1,4]dioxin. Key properties include a boiling point of 441.5ºC at 760 mmHg, a density of 1.714g/cm3 and a flash point of 170.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71998-76-0
Jingsj CID
J-1356210-8
Molecular Formula
C24H6Cl10O4
Chinese Name
1,2,4,6,8/1,2,4,7,9-五氯二苯并-对-二恶英
Molecular Weight
712.83200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point441.5ºC at 760 mmHg
Density1.714g/cm3
Flash Point170.5ºC

Frequently Asked Questions

What is the CAS number of 1,2,4,6,8/1,2,4,7,9-Pentachlorodibenzo-p-dioxin?

The CAS number of 1,2,4,6,8/1,2,4,7,9-Pentachlorodibenzo-p-dioxin is 71998-76-0.

What are the molecular formula and molecular weight of 1,2,4,6,8/1,2,4,7,9-Pentachlorodibenzo-p-dioxin?

1,2,4,6,8/1,2,4,7,9-Pentachlorodibenzo-p-dioxin has molecular formula C24H6Cl10O4 and molecular weight 712.83200 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,2,4,6,8/1,2,4,7,9-Pentachlorodibenzo-p-dioxin (CAS 71998-76-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356210-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.