4'-Aminoazobenzene-4-sulfonic acid
4'-氨基偶氮苯-4-磺酸
Also known as: 4-Aminoazobenzene-4'-sulfonic acid, 4-[(4-Aminophenyl)azo]benzenesulfonic acid, p-(p-Aminophenylazo)benzenesulfonic acid, Benzenesulfonic acid, 4-[(4-aminophenyl)azo]-, P-AMINOAZOBENZENE-4'-SULFONIC ACID, PARA AMINOAZOBENZENE-4-SULFONIC ACID (PAAB4SA)
- CAS No.
- 104-23-4
- Jingsj CID
- J-26912-0
- Molecular Formula
- C12H10N3NaO3S
- Chinese Name
- 4'-氨基偶氮苯-4-磺酸
- Molecular Weight
- 299.281 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 125-131 °C |
|---|---|
| Density | 1.43 g/cm3 |
Frequently Asked Questions
What is the CAS number of 4'-Aminoazobenzene-4-sulfonic acid?
104-23-4
What are the molecular formula and molecular weight of 4'-Aminoazobenzene-4-sulfonic acid?
C12H10N3NaO3S, molecular weight 299.281 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026