2,5-Dimercaptoterephthalic acid

2,5-二巯基对苯二甲酸

Also known as: 2,5-Dimercapto-1,4-benzenedicarboxylic acid, 2,5-Disulfanylterephthalic acid, 2,5-bis(sulfanyl)terephthalic acid, 2,5-disulfhydrylbenzene-1,4-dicarboxylic acid, 2,5-Dimercaptoterephthalsure

2,5-Dimercaptoterephthalic acid (CAS 25906-66-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O4S2 and a molecular weight of 230.26100 g/mol. It is also known as 2,5-Dimercapto-1,4-benzenedicarboxylic acid, 2,5-Disulfanylterephthalic acid and 2,5-bis(sulfanyl)terephthalic acid. Key properties include a boiling point of 468.7ºC at 760mmHg, a density of 1.648g/cm3 and a flash point of 237.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25906-66-5
Jingsj CID
J-1509634-8
Molecular Formula
C8H6O4S2
Chinese Name
2,5-二巯基对苯二甲酸
Molecular Weight
230.26100 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point468.7ºC at 760mmHg
Density1.648g/cm3
Flash Point237.3ºC

Frequently Asked Questions

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

The CAS number of 2,5-Dimercaptoterephthalic acid is 25906-66-5.

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

2,5-Dimercaptoterephthalic acid has molecular formula C8H6O4S2 and molecular weight 230.26100 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-Dimercaptoterephthalic acid (CAS 25906-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509634-8 (accessed 2026-10-22).

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