3-Aminonaphthalene-1,5-disulfonic acid
Also known as: 2-Naphthylamine-4,8-disulfonic acid, 2-Amino-4,8-naphthalenedisulfonic acid, Amino C acid, 4,8-Disulfo-2-naphthylamine, 1,5-Naphthalenedisulfonic acid, 3-amino-, C acid, Cassella's Acid, Kyselina C, MFCD00035722, EINECS 205-020-5, beta-Naphthylamine-4,8-disulfonic acid, 3-Amino-1,5-naphthalenedisulfonic acid
3-Aminonaphthalene-1,5-disulfonic acid (CAS 131-27-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO6S2 and a molecular weight of 303.312 g/mol. Key property: a density of 1.8±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 131-27-1
- Jingsj CID
- J-1106624-3
- Molecular Formula
- C10H9NO6S2
- Molecular Weight
- 303.312 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.8±0.1 g/cm3 |
|---|---|
| Exact Mass | 302.987122 |
| PSA | 151.52000 |
| LogP | -1.57 |
| Refractive Index | 1.733 |
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 3-Aminonaphthalene-1,5-disulfonic acid?
The CAS number of 3-Aminonaphthalene-1,5-disulfonic acid is 131-27-1.
What are the molecular formula and molecular weight of 3-Aminonaphthalene-1,5-disulfonic acid?
3-Aminonaphthalene-1,5-disulfonic acid has molecular formula C10H9NO6S2 and molecular weight 303.312 g/mol.
What are the upstream and downstream products of 3-Aminonaphthalene-1,5-disulfonic acid?
For 3-Aminonaphthalene-1,5-disulfonic acid, Upstream Products: Naphthalene; Downstream Products: 7-Aminonaphthalene-1-sulfonic acid, 3-Methoxy-2-methylbenzoyl chloride, 2-Naphthylamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Aminonaphthalene-1,5-disulfonic acid (CAS 131-27-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106624-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.