4,4'-Dichloro-2,2'-biphenyldicarboxylic acid

Also known as: 4,4'-Dichlorodiphenic acid, 4,4'-Dichloro-2,2'-diphenic-acid, 4,4'-Dichloro-[1,1'-biphenyl]-2,2'-dicarboxylic acid, 4,4'-Dichlorodiphenicacid, 4,4'-dichlorobiphenyl-2,2'-dicarboxylic acid, [1,1'-Biphenyl]-2,2'-dicarboxylic acid, 4,4'-dichloro-, 4,4'-Dichlordiphensaeure

4,4'-Dichloro-2,2'-biphenyldicarboxylic acid (CAS 54389-65-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H8Cl2O4 and a molecular weight of 311.117 g/mol. Key properties include a boiling point of 458.6±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 231.1±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 54389-65-0
Jingsj CID: J-867582-9
Molecular Formula: C₁₄H₈Cl₂O₄
Molecular Weight: 311.117 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	458.6±40.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	231.1±27.3 °C
Exact Mass	309.979950
PSA	74.60000
LogP	3.98
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.652

Customs & Trade Information

HS Code	2917399090
Summary	2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,4'-Dichloro-2,2'-biphenyldicarboxylic acid?

The CAS number of 4,4'-Dichloro-2,2'-biphenyldicarboxylic acid is 54389-65-0.

What are the molecular formula and molecular weight of 4,4'-Dichloro-2,2'-biphenyldicarboxylic acid?

4,4'-Dichloro-2,2'-biphenyldicarboxylic acid has molecular formula C14H8Cl2O4 and molecular weight 311.117 g/mol.

What are the upstream and downstream products of 4,4'-Dichloro-2,2'-biphenyldicarboxylic acid?

For 4,4'-Dichloro-2,2'-biphenyldicarboxylic acid, Upstream Products: 2-Amino-5-chlorobenzoic acid; Downstream Products: 2,7-Dichloro-9-fluorenone.

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'-Dichloro-2,2'-biphenyldicarboxylic acid (CAS 54389-65-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-867582-9 (accessed 2026-11-09).

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