1,2,3,4,7-Pentachlorodibenzo-p-dioxin

1,2,3,4,7-五氯二苯并-对-二恶英

Also known as: 1,2,3,4,7-P5CDD, 1,2,3,4,7-PCDD, 1,2,3,4,7-Pentachlorodibenzo-para-dioxin, 1,2,3,4,7-Pentachlorodibenzodioxin, 1,2,3,4,7-pentachloro dibenzo-p-dioxin, 1,2,3,4,7-pentachlorooxanthrene, Dibenzo-p-dioxin,1,2,3,4,7-pentachloro

1,2,3,4,7-Pentachlorodibenzo-p-dioxin (CAS 39227-61-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H3Cl5O2 and a molecular weight of 356.41600 g/mol. It is also known as 1,2,3,4,7-P5CDD, 1,2,3,4,7-PCDD and 1,2,3,4,7-Pentachlorodibenzo-para-dioxin. Key properties include a boiling point of 444.1ºC at 760mmHg, a density of 1.714g/cm3 and a flash point of 171.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
39227-61-7
Jingsj CID
J-1004348-0
Molecular Formula
C12H3Cl5O2
Chinese Name
1,2,3,4,7-五氯二苯并-对-二恶英
Molecular Weight
356.41600 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point444.1ºC at 760mmHg
Density1.714g/cm3
Flash Point171.8ºC

Frequently Asked Questions

What is the CAS number of 1,2,3,4,7-Pentachlorodibenzo-p-dioxin?

The CAS number of 1,2,3,4,7-Pentachlorodibenzo-p-dioxin is 39227-61-7.

What are the molecular formula and molecular weight of 1,2,3,4,7-Pentachlorodibenzo-p-dioxin?

1,2,3,4,7-Pentachlorodibenzo-p-dioxin has molecular formula C12H3Cl5O2 and molecular weight 356.41600 g/mol.

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

Last updated:

How to cite: Jingsj. "1,2,3,4,7-Pentachlorodibenzo-p-dioxin (CAS 39227-61-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1004348-0 (accessed 2026-10-23).

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