2,5-Dimercaptoterephthalic acid
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. 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-1509634-1
- Molecular Formula
- C8H6O4S2
- Molecular Weight
- 230.26100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 468.7ºC at 760mmHg |
|---|---|
| Density | 1.648g/cm3 |
| Flash Point | 237.3ºC |
| Exact Mass | 229.97100 |
| PSA | 152.20000 |
| LogP | 1.66040 |
| Vapor Pressure | 1.38E-09mmHg at 25°C |
| Refractive Index | 1.742 |
| Storage Conditions | 2-8℃ |
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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.
What are the upstream and downstream products of 2,5-Dimercaptoterephthalic acid?
For 2,5-Dimercaptoterephthalic acid, Upstream Products: Diethyl 2,5-dihydroxyterephthalate.
Data compiled from public chemical databases such as PubChem 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-1509634-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.