4,4'-Dichlorodiphenyl ether

Also known as: 4-Chlorophenyl ether, Bis(4-chlorophenyl) ether, p,p'-Dichlorodiphenyl oxide, 4,4'-Oxybis(chlorobenzene), 1,1'-Oxybis(4-chlorobenzene), 1-chloro-4-(4-chlorophenoxy)benzene

4,4'-Dichlorodiphenyl ether (CAS 2444-89-5) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl2O and a molecular weight of 239.09700 g/mol. Key properties include a melting point of 30ºC, a boiling point of 312ºC, a density of 1.3g/cm3 and a flash point of 108.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2444-89-5
Jingsj CID: J-1518220-9
Molecular Formula: C₁₂H₈Cl₂O
Molecular Weight: 239.09700 g/mol
Category: Ethers
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	30ºC
Boiling Point	312ºC
Density	1.3g/cm3
Flash Point	108.8ºC
Exact Mass	237.99500
PSA	9.23000
LogP	4.78570
Vapor Pressure	0.00087mmHg at 25°C
Refractive Index	1.594

Customs & Trade Information

HS Code	2903999090
Summary	2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,4'-Dichlorodiphenyl ether?

The CAS number of 4,4'-Dichlorodiphenyl ether is 2444-89-5.

What are the molecular formula and molecular weight of 4,4'-Dichlorodiphenyl ether?

4,4'-Dichlorodiphenyl ether has molecular formula C12H8Cl2O and molecular weight 239.09700 g/mol.

What are the upstream and downstream products of 4,4'-Dichlorodiphenyl ether?

For 4,4'-Dichlorodiphenyl ether, Upstream Products: Diphenyl ether, 1-Chloro-4-iodobenzene, 4-Chlorophenol; Downstream Products: Diphenyl ether, 4-Chlorodiphenyl ether, Phenol.

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. "4,4'-Dichlorodiphenyl ether (CAS 2444-89-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518220-9 (accessed 2026-11-06).

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