Dirnate
4-Carboxybenzenesulfonamide
CAS: 138-41-0
Molecular Formula: C7H7NO4S
Dirnate - Names and Identifiers
Dirnate - Physico-chemical Properties
| Molecular Formula | C7H7NO4S |
| Molar Mass | 201.2 |
| Density | 1.5083 (rough estimate) |
| Melting Point | 285-295 °C (lit.) |
| Boling Point | 449.0±47.0 °C(Predicted) |
| Flash Point | 225.4°C |
| Water Solubility | 453 mg/L (25 ºC) |
| Solubility | 0.5g/l |
| Vapor Presure | 7.56E-09mmHg at 25°C |
| Appearance | Crystalline powder |
| Color | White |
| Merck | 14,1876 |
| BRN | 1875393 |
| pKa | 3.50(at 25℃) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.6100 (estimate) |
| MDL | MFCD00007938 |
| Physical and Chemical Properties | Melting point 290-292°C water-soluble 453 mg/L (25°C) |
Dirnate - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | DH6820000 |
| TSCA | Yes |
| HS Code | 29163990 |
| Hazard Class | IRRITANT |
| Toxicity | LD50 i.p. in rats: 350 ± 22 mg/kg (Appenroth, Brunlich) |
Dirnate - Introduction
Solubility in water: 453 mg/l (25°C), easily soluble in alcohol, actually insoluble in ether and benzene.
Last Update：2022-10-16 17:13:44
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