6-Amino-1-naphthalenesulfonic acid
Also known as: Dahl's Acid, 2-Amino-5-naphthalenesulfonic acid, 2-Naphthylamine-5-sulfonic acid, 6-Aminonaphthalene-1-sulfonic acid, beta-Naphthylamine-5-sulfonic acid, 1-Naphthalenesulfonic acid, 6-amino-, EINECS 201-318-4, MFCD00035724
6-Amino-1-naphthalenesulfonic acid (CAS 81-05-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO3S and a molecular weight of 223.248 g/mol. Key property: a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 81-05-0
- Jingsj CID
- J-1004157-8
- Molecular Formula
- C10H9NO3S
- Molecular Weight
- 223.248 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Exact Mass | 223.030319 |
| PSA | 88.77000 |
| LogP | 0.42 |
| Refractive Index | 1.713 |
Customs & Trade Information
| HS Code | 29269095 |
|---|
Frequently Asked Questions
What is the CAS number of 6-Amino-1-naphthalenesulfonic acid?
The CAS number of 6-Amino-1-naphthalenesulfonic acid is 81-05-0.
What are the molecular formula and molecular weight of 6-Amino-1-naphthalenesulfonic acid?
6-Amino-1-naphthalenesulfonic acid has molecular formula C10H9NO3S and molecular weight 223.248 g/mol.
What are the upstream and downstream products of 6-Amino-1-naphthalenesulfonic acid?
For 6-Amino-1-naphthalenesulfonic acid, Upstream Products: 2-Amino-1,5-naphthalenedisulfonic acid, 2-Amino-1-naphthalenesulfonic acid, 2-Naphthylamine; Downstream Products: 6-Amino-2-naphthalenesulfonic acid, 2-Naphthylamine, 2-Amino-5-hydroxynaphthalene-1,7-disulfonic 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. "6-Amino-1-naphthalenesulfonic acid (CAS 81-05-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1004157-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.