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1,3,6,8-Tetrachlorodibenzo-p-dioxin

1,3,6,8-四氯二苯并-对-二恶英

Also known as: 1,3,6,8-TCDD, 1,3,6,8-TeCDD, 1,3,6,8-T4CDD, 1,3,6,8-Tetrachlorodibenzo-para-dioxin, 1,3,6,8-Tetrachlorodibenzodioxin, 1,3,6,8-Tetrachlorodibenzo[1,4]dioxin, 1,3,6,8-Tetrachlorodibenzo[b,e][1,4]dioxin, 1,3,6,8-Tetrachlorooxanthrene, 1,3,6,8-tetrachlordibenzodioxin, 1,3,6,8-tetrachlorodibenzodioxine, Dibenzo-p-dioxin,1,3,6,8-tetrachloro

1,3,6,8-Tetrachlorodibenzo-p-dioxin (CAS 33423-92-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H4Cl4O2 and a molecular weight of 321.97100 g/mol. It is also known as 1,3,6,8-TCDD, 1,3,6,8-TeCDD and 1,3,6,8-T4CDD. Key properties include a boiling point of 413ºC at 760mmHg, a density of 1.643g/cm3 and a flash point of 161.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33423-92-6
Jingsj CID
J-1183522-2
Molecular Formula
C12H4Cl4O2
Chinese Name
1,3,6,8-四氯二苯并-对-二恶英
Molecular Weight
321.97100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point413ºC at 760mmHg
Density1.643g/cm3
Flash Point161.7ºC

Frequently Asked Questions

What is the CAS number of 1,3,6,8-Tetrachlorodibenzo-p-dioxin?

The CAS number of 1,3,6,8-Tetrachlorodibenzo-p-dioxin is 33423-92-6.

What are the molecular formula and molecular weight of 1,3,6,8-Tetrachlorodibenzo-p-dioxin?

1,3,6,8-Tetrachlorodibenzo-p-dioxin has molecular formula C12H4Cl4O2 and molecular weight 321.97100 g/mol.

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

Last updated:

How to cite: Jingsj. "1,3,6,8-Tetrachlorodibenzo-p-dioxin (CAS 33423-92-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1183522-2 (accessed 2026-10-25).

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