2,5-diaminobenzene-1,4-disulfonic acid
2,5-二氨基-1,4-苯二磺酸
Also known as: 1,4-Phenylenediamine-2,5-disulfonic acid, p-Phenylenediamine-2,5-disulfonic acid, 2,5-Diamino-1,4-benzenedisulfonic acid, 2,5-Diaminobenzene-1,4-disulphonic acid, EINECS 230-439-5, 4-Phenylenediamine-2,5-disulfonic acid, 2,5-diamino-4-benzenedisulfonic acid
2,5-diaminobenzene-1,4-disulfonic acid (CAS 7139-89-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O6S2 and a molecular weight of 268.26800 g/mol. It is also known as 1,4-Phenylenediamine-2,5-disulfonic acid, p-Phenylenediamine-2,5-disulfonic acid and 2,5-Diamino-1,4-benzenedisulfonic acid. Key property: a density of 1.922g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7139-89-1
- Jingsj CID
- J-1183468-1
- Molecular Formula
- C6H8N2O6S2
- Chinese Name
- 2,5-二氨基-1,4-苯二磺酸
- Molecular Weight
- 268.26800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.922g/cm3 |
|---|
Frequently Asked Questions
What is the CAS number of 2,5-diaminobenzene-1,4-disulfonic acid?
The CAS number of 2,5-diaminobenzene-1,4-disulfonic acid is 7139-89-1.
What are the molecular formula and molecular weight of 2,5-diaminobenzene-1,4-disulfonic acid?
2,5-diaminobenzene-1,4-disulfonic acid has molecular formula C6H8N2O6S2 and molecular weight 268.26800 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-diaminobenzene-1,4-disulfonic acid (CAS 7139-89-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1183468-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.