p-cresidine-o-sulfonic acid
4-amino-5-methoxytoluene-2-sulphonic acid
CAS: 6471-78-9
Molecular Formula: C8H11NO4S
p-cresidine-o-sulfonic acid - Names and Identifiers
p-cresidine-o-sulfonic acid - Physico-chemical Properties
| Molecular Formula | C8H11NO4S |
| Molar Mass | 217.24 |
| Density | 1.403±0.06 g/cm3(Predicted) |
| Melting Point | >205°C (dec.) |
| Boling Point | 398.51℃[at 101 325 Pa] |
| Water Solubility | 6.208g/L at 25℃ |
| Solubility | DMSO (Slightly, Heated), Water (Slightly, Heated) |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Solid |
| Color | Light Grey |
| pKa | -1.09±0.50(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.582 |
| Physical and Chemical Properties | Appearance: gray-white powder |
| Use | For dyes and organic pigment intermediates |
p-cresidine-o-sulfonic acid - Risk and Safety
| 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. |
p-cresidine-o-sulfonic acid - Reference Information
| LogP | -1.45 at 25℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | is used as an intermediate for dyes and organic pigments, an intermediate for azo dyes. Can cause gene mutation. |
Last Update：2024-04-09 02:00:10
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