4'-Aminoazobenzene-4-sulphonic acid
4'-aminoazobenzene-4-sulfonic acid
CAS: 104-23-4
Molecular Formula: C12H11N3O3S
4'-Aminoazobenzene-4-sulphonic acid - Names and Identifiers
4'-Aminoazobenzene-4-sulphonic acid - Physico-chemical Properties
| Molecular Formula | C12H11N3O3S |
| Molar Mass | 277.3 |
| Density | 1.3764 (rough estimate) |
| Boling Point | 477.42℃[at 101 325 Pa] |
| Water Solubility | 513-1320mg/L at 37℃ |
| Solubility | 345.945mg/L in organic solvents at 20 ℃ |
| Vapor Presure | 0-0Pa at 25℃ |
| pKa | -1.10±0.50(Predicted) |
| Refractive Index | 1.6630 (estimate) |
| Use | Used as a dye intermediate |
4'-Aminoazobenzene-4-sulphonic acid - Reference Information
| LogP | -0.352 at 37℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | p-aminoazophenyl-4-sulfonic acid is a carboxylic acid derivative that can be used as a dye intermediate. |
| Use | use as dye intermediate |
| category | toxic substances |
| flammability hazard characteristics | flammability; Toxic nitrogen oxide and sulfur oxide fumes from combustion |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |
Last Update：2024-04-09 20:49:11
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