2,5-Dichloroterephthalic acid

2,5-二氯对苯二甲酸

Also known as: 1,4-Benzenedicarboxylic acid, 2,5-dichloro-, 2,5-Dichlorobenzene-1,4-dicarboxylic acid, Dichloroterephthalic acid, RARECHEM AL BO 0524, TIMTEC-BB SBB008522

2,5-Dichloroterephthalic acid (CAS 13799-90-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4Cl2O4 and a molecular weight of 235.021 g/mol. It is also known as 1,4-Benzenedicarboxylic acid, 2,5-dichloro-, 2,5-Dichlorobenzene-1,4-dicarboxylic acid and Dichloroterephthalic acid. Key properties include a melting point of 1700°C, a boiling point of 405.9±45.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 199.3±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13799-90-1
Jingsj CID
J-32292-8
Molecular Formula
C8H4Cl2O4
Chinese Name
2,5-二氯对苯二甲酸
Molecular Weight
235.021 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point1700°C
Boiling Point405.9±45.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point199.3±28.7 °C

Frequently Asked Questions

What is the CAS number of 2,5-Dichloroterephthalic acid?

The CAS number of 2,5-Dichloroterephthalic acid is 13799-90-1.

What are the molecular formula and molecular weight of 2,5-Dichloroterephthalic acid?

2,5-Dichloroterephthalic acid has molecular formula C8H4Cl2O4 and molecular weight 235.021 g/mol.

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

Last updated:

How to cite: Jingsj. "2,5-Dichloroterephthalic acid (CAS 13799-90-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32292-8 (accessed 2026-10-22).

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