8-Aminonaphthalene-1,6-disulfonic acid
Also known as: 1-Naphthylamine-3,8-disulfonic acid, 1-Aminonaphthalene-3,8-disulfonic acid, Amino Epsilon acid, Amino ε acid, 8-Amino-1,6-naphthalenedisulfonic acid, 1-Amino-3,8-disulfonaphthalene, 1,6-Naphthalenedisulfonic acid, 8-amino-, 8-Aminonaphthalene-1,6-disulphonic acid, EINECS 204-969-2, MFCD00021548
8-Aminonaphthalene-1,6-disulfonic acid (CAS 129-91-9) 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 properties include a melting point of 213-218°C and 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.
- 129-91-9
- Jingsj CID
- J-1176264-4
- 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
| Melting Point | 213-218°C |
|---|---|
| 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 8-Aminonaphthalene-1,6-disulfonic acid?
The CAS number of 8-Aminonaphthalene-1,6-disulfonic acid is 129-91-9.
What are the molecular formula and molecular weight of 8-Aminonaphthalene-1,6-disulfonic acid?
8-Aminonaphthalene-1,6-disulfonic acid has molecular formula C10H9NO6S2 and molecular weight 303.312 g/mol.
What are the upstream and downstream products of 8-Aminonaphthalene-1,6-disulfonic acid?
For 8-Aminonaphthalene-1,6-disulfonic acid, Upstream Products: Naphthalene; Downstream Products: 1-Naphthylamine, 1,6-Naphthalenedisulfonic acid, 8-Hydroxy-1,6-naphthalenedisulfonic 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. "8-Aminonaphthalene-1,6-disulfonic acid (CAS 129-91-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1176264-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.