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2,3-Dichlorodibenzo-p-dioxin

Also known as: 2,3-Dichlorodibenzodioxin, 2,3-Dichlorodibenzo-para-dioxin, 2,3-Dichlorodibenzo[b,e][1,4]dioxin, 2,3-dichloro-dibenzo[1,4]dioxine, 2,3-dichlorobenzo-p-dioxin, 2,3-dichlorodibenzo-4-dioxin, AmbscLK-270, Dibenzo-p-dioxin,2,3-dichloro, PCDD 10, dichlorodibenzodioxin, 2,3-DCDD

2,3-Dichlorodibenzo-p-dioxin (CAS 29446-15-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H6Cl2O2 and a molecular weight of 253.08100 g/mol. Key properties include a boiling point of 351.4ºC at 760mmHg, a density of 1.47g/cm3 and a flash point of 140.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
29446-15-9
Jingsj CID
J-988473-5
Molecular Formula
C12H6Cl2O2
Molecular Weight
253.08100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point351.4ºC at 760mmHg
Density1.47g/cm3
Flash Point140.8ºC
Exact Mass251.97400
PSA18.46000
LogP4.89140
Vapor Pressure8.33E-05mmHg at 25°C
Refractive Index1.642

Customs & Trade Information

HS Code2932999060
Summary2932999060. 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 2,3-Dichlorodibenzo-p-dioxin?

The CAS number of 2,3-Dichlorodibenzo-p-dioxin is 29446-15-9.

What are the molecular formula and molecular weight of 2,3-Dichlorodibenzo-p-dioxin?

2,3-Dichlorodibenzo-p-dioxin has molecular formula C12H6Cl2O2 and molecular weight 253.08100 g/mol.

What are the upstream and downstream products of 2,3-Dichlorodibenzo-p-dioxin?

For 2,3-Dichlorodibenzo-p-dioxin, Upstream Products: 1,2,4,5-Tetrachlorobenzene, Catechol; Downstream Products: Dibenzo-p-dioxin, 2-Chlorodibenzo-p-dioxin.

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

Last updated:

How to cite: Jingsj. "2,3-Dichlorodibenzo-p-dioxin (CAS 29446-15-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-988473-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.