4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid
Also known as: 1-Acetamido-8-naphthol-3,6-disulfonic acid, 1-Acetylamino-8-naphthol-3,6-disulfonic acid, 1-Acetylamino-8-hydroxy-3,6-naphthalenedisulfonic acid, 4-Acetamido-5-hydroxynaphthalene-2,7-disulphonic acid, 4-Acetylamino-5-hydroxy-naphthalene-2,7-disulfonic acid, 4-(Acetylamino)-5-hydroxy-7-naphthalenedisulfonic acid, 8-Acetamino-naphthol-(1)-disulfonsaeure-(3.6), 8-Acetylamino-3,6-disulfo-1-naphthol, Acetyl H acid, N-Acetyl H Acid, Einecs 205-139-2
4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid (CAS 134-34-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H11NO8S2 and a molecular weight of 361.34800 g/mol. Key property: a density of 1.801 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 134-34-9
- Jingsj CID
- J-45071-5
- Molecular Formula
- C12H11NO8S2
- Molecular Weight
- 361.34800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.801 g/cm3 |
|---|---|
| Exact Mass | 360.99300 |
| PSA | 174.83000 |
| LogP | 3.23180 |
Customs & Trade Information
| HS Code | 2924299090 |
|---|---|
| Summary | 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid?
The CAS number of 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid is 134-34-9.
What are the molecular formula and molecular weight of 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid?
4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid has molecular formula C12H11NO8S2 and molecular weight 361.34800 g/mol.
What are the upstream and downstream products of 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid?
For 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid, Upstream Products: 1-Amino-8-hydroxynaphthalene-3,6-disulphonic 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. "4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid (CAS 134-34-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45071-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.