2,4,8-Trichlorodibenzofuran

Also known as: 2,4,8-Trichlorodibenzofurane, 2,4,8-trichlorodibenzo[b,d]furan, Dibenzofuran, 2,4,8-trichloro-, Triclosan Impurity 6, PCDF 45, EINECS 259-248-5

2,4,8-Trichlorodibenzofuran (CAS 54589-71-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H5Cl3O and a molecular weight of 271.52700 g/mol. Key properties include a boiling point of 387.1ºC at 760 mmHg, a density of 1.54g/cm3 and a flash point of 187.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 54589-71-8
Jingsj CID: J-1517637-1
Molecular Formula: C₁₂H₅Cl₃O
Molecular Weight: 271.52700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	387.1ºC at 760 mmHg
Density	1.54g/cm3
Flash Point	187.9ºC
Exact Mass	269.94100
PSA	13.14000
LogP	5.54620
Refractive Index	1.71

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2,4,8-Trichlorodibenzofuran?

The CAS number of 2,4,8-Trichlorodibenzofuran is 54589-71-8.

What are the molecular formula and molecular weight of 2,4,8-Trichlorodibenzofuran?

2,4,8-Trichlorodibenzofuran has molecular formula C12H5Cl3O and molecular weight 271.52700 g/mol.

What are the upstream and downstream products of 2,4,8-Trichlorodibenzofuran?

For 2,4,8-Trichlorodibenzofuran, Upstream Products: 4-Chlorophenol, Triclosan, 2,4-Dichlorophenol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,4,8-Trichlorodibenzofuran (CAS 54589-71-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517637-1 (accessed 2026-11-09).

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