| Name | 2-(4-aminophenyl)-6-methylbenzothiazole-7-sulfonic acid |
| Synonyms | Dehydrothio-p-Toluidine Sulfonic Acid 2-(4-aminophenyl)-6-methylbenzothiazole-7-sulfonic acid 2-(4-Aminophenyl)-6-methyl-1,3-benzothiazole-7-sulfonic acid |
| CAS | 130-17-6 |
| EINECS | 204-979-7 |
| InChI | InChI=1/C14H12N2O3S2/c1-8-2-7-11-12(13(8)21(17,18)19)20-14(16-11)9-3-5-10(15)6-4-9/h2-7H,15H2,1H3,(H,17,18,19) |
| Molecular Formula | C14H12N2O3S2 |
| Molar Mass | 320.387 |
| Density | 1.505g/cm3 |
| Melting Point | >300℃ |
| Water Solubility | <0.1 g/100 mL at 22℃ |
| pKa | -0.28±0.40(Predicted) |
| Storage Condition | Sealed in dry,2-8°C |
| Refractive Index | 1.714 |
| Physical and Chemical Properties | EPA Chemical Information 2-(4-Aminophenyl)-acid (130-17-6) |
| Use | Used as a dye intermediate |
| Hazard Symbols | Xn - Harmful![]() |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| Toxicity | LD50 ivn-mus: 178 mg/kg CSLNX* NX#00718 |
| Raw Materials | p-Toluidine Sulfur(α) Sulfuric acid |
| Hazard Note | Corrosive |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | intravenous-mouse LD50: 178 mg/kg |
| flammability hazard characteristics | Combustible; combustion produces toxic nitrogen oxides and sulfur oxide smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | Dry powder, foam, sand, carbon dioxide, mist water |