119-70-0
4-(P-Aminoanilino-3-Sulfoaniline
CAS: 119-70-0
Molecular Formula: C12H13N3O3S
119-70-0 - Names and Identifiers
| Name | 4-(P-Aminoanilino-3-Sulfoaniline |
| Synonyms | FC acid TIMTEC-BB SBB001129 4-(P-Aminoanilino-3-Sulfoaniline 4,4'-diamino-2-sulfodiphenylamine 4,4'-Diaminodianilinedisulfonic acid 4,4-DIAMINO DIPHENYL-2-SULPHONIC ACID 4.4-diaminediphenylamine-2-sulfonic acid 4,4-diaminodiphenylamine-2-sulfonic acid 4,4'-DIAMINODIPHENYLAMINE-2-SULFONIC ACID 4,4'-DIAMINODIPHENYLAMINE-2'-SULFONIC ACID 4,4'-Diamino diphenylamine-2-sulfonic acid 5-AMINO-2-(P-AMINOANILINO)BENZENESULFONIC ACID 5-amino-2-[(4-aminophenyl)amino]-benzenesulfonicaci 5-AMINO-2-[(P-AMINOPHENYL)AMINO]BENZENESULFONIC ACID 5-amino-2-[(4-aminophenyl)amino]benzenesulfonic acid |
| CAS | 119-70-0 |
| EINECS | 204-344-4 |
| InChI | InChI=1/C12H13N3O3S/c13-8-1-4-10(5-2-8)15-11-6-3-9(14)7-12(11)19(16,17)18/h1-7,15H,13-14H2,(H,16,17,18) |
| InChIKey | VKURVCNKVWKGLX-UHFFFAOYSA-N |
119-70-0 - Physico-chemical Properties
| Molecular Formula | C12H13N3O3S |
| Molar Mass | 279.31 |
| Density | 1.527±0.06 g/cm3(Predicted) |
| Melting Point | 244°C(lit.) |
| Boling Point | 244℃ |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Solid |
| pKa | -1.24±0.50(Predicted) |
| Storage Condition | 2-8°C(protect from light) |
| Refractive Index | 1.726 |
119-70-0 - Risk and Safety
| WGK Germany | 3 |
119-70-0 - Reference Information
| dissociation constant | 0 at 33 ℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used as dye intermediate |
| production method | sodium o-chloro-m-nitrobenzene sulfonate is condensed with p-acetylaminoaniline, then reduced with iron powder, neutralized, then hydrolyzed with liquid and alkali, and acidified to obtain the product. |
Last Update：2024-04-09 21:11:58
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