Product name:4-Aminodiphenyamine-2-sulfonic acid
Purity:98%
Appearance:Gray powder
Sample:Available
Storage:In ventilated place
CAS No.: 91-30-5
4-Aminodiphenyamine-2-sulfonic acid Cas 91-30-5
Typical Properties
Chemical name:4-Aminodiphenyamine-2-sulfonic acid
Cas no:91-30-5
Synonyms:2-(Phenylamino)-5-aminobenzenesulfonic acid;
Molecular weight:264.3
Molecular formula:C12H12N2O3S
Molecular structure:
| Item | Specification |
| Boiling point | 469.1℃ |
| Density | 1.464 |
| pKa | -1.27±0.45 |
| Water solubility | 2.71g/L |
| Insoluble in acid | 0.5% |
Usage
1. Used to synthesize azo dyes such as Direct Black and Direct Blue for dyeing cotton and viscose fibers.
2. Can be used to synthesize metal-complex acid dyes and serves as an intermediate for organic colorants.
Packaging and Shipping
25kg/bag
According to customer requirements.
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4-Aminodiphenyamine-2-sulfonic acid Cas 91-30-5