2-Amino-1,4-benzenedisulfonic acid
Also known as: 1-Anilino-2,5-disulfonic acid, 2-Aminobenzene-1,4-disulfonic acid, 2-Amino-p-benzenedisulfonic acid, Aniline-2,5-disulfonic acid, 2,5-Disulfoaniline, 1,4-Benzenedisulfonic acid, 2-amino-, 2-Amino-p-benzenedislfonicacid, 2-amino-benzene-1,4-disulfonicacid, 2-amino-p-benzenedisulfonicaci, 2-aminobenzene-1,4-disulfonic acid, 2-aminobenzene-1,4-disulphonic acid, 4-Benzenedisulfonicacid,2-amino-1, kyselinaanilin-2,5-disulfonova, WSQR BZ DSWQ
2-Amino-1,4-benzenedisulfonic acid (CAS 98-44-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7NO6S2 and a molecular weight of 253.253 g/mol. Key properties include a melting point of >300°C, a boiling point of 500ºC and a density of 1.8±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 98-44-2
- Jingsj CID
- J-45301-0
- Molecular Formula
- C6H7NO6S2
- Molecular Weight
- 253.253 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300°C |
|---|---|
| Boiling Point | 500ºC |
| Density | 1.8±0.1 g/cm3 |
| Exact Mass | 252.971481 |
| PSA | 151.52000 |
| LogP | -1.03 |
| Refractive Index | 1.667 |
Customs & Trade Information
| HS Code | 2921499090 |
|---|---|
| Summary | 2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Amino-1,4-benzenedisulfonic acid?
The CAS number of 2-Amino-1,4-benzenedisulfonic acid is 98-44-2.
What are the molecular formula and molecular weight of 2-Amino-1,4-benzenedisulfonic acid?
2-Amino-1,4-benzenedisulfonic acid has molecular formula C6H7NO6S2 and molecular weight 253.253 g/mol.
What are the upstream and downstream products of 2-Amino-1,4-benzenedisulfonic acid?
For 2-Amino-1,4-benzenedisulfonic acid, Upstream Products: Sodium 4-chloro-3-nitrobenzenesulfonate, Sodium sulfite, Metanilic acid; Downstream Products: Metanilic acid.
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-Amino-1,4-benzenedisulfonic acid (CAS 98-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45301-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.