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 |