1,3,7,8-Tetrachlorodibenzo-p-dioxin

1,3,7,8-四氯二苯并对二噁英

Also known as: 1,3,7,8-TCDD, 1,3,7,8-T4CDD, 1,3,7,8-Tetrachlorodibenzo-para-dioxin, 1,3,7,8-Tetrachlorodibenzodioxin, 1,3,7,8-Tetrachlorodibenzo-4-dioxin, 1,3,7,8-tetrachlordibenzodioxin, 1,3,7,8-tetrachloro-dibenzo-p-dioxin, 1,3,7,8-tetrachlorodioxine, Dibenzo[b,e][1,4]dioxin, 1,3,7,8-tetrachloro-, Dibenzo-p-dioxin, 1,3,7,8-tetrachloro-

1,3,7,8-Tetrachlorodibenzo-p-dioxin (CAS 50585-46-1) 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 1,3,7,8-TCDD, 1,3,7,8-T4CDD and 1,3,7,8-Tetrachlorodibenzo-para-dioxin. Key properties include a boiling point of 415.5ºC at 760 mmHg, a density of 1.643g/cm3 and a flash point of 163ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
50585-46-1
Jingsj CID
J-1356112-9
Molecular Formula
C12H4Cl4O2
Chinese Name
1,3,7,8-四氯二苯并对二噁英
Molecular Weight
321.97100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point415.5ºC at 760 mmHg
Density1.643g/cm3
Flash Point163ºC

Frequently Asked Questions

What is the CAS number of 1,3,7,8-Tetrachlorodibenzo-p-dioxin?

The CAS number of 1,3,7,8-Tetrachlorodibenzo-p-dioxin is 50585-46-1.

What are the molecular formula and molecular weight of 1,3,7,8-Tetrachlorodibenzo-p-dioxin?

1,3,7,8-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. "1,3,7,8-Tetrachlorodibenzo-p-dioxin (CAS 50585-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356112-9 (accessed 2026-10-24).

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