88-43-7
4-Chloroaniline-3-sulfonic Acid
CAS: 88-43-7
Molecular Formula: C6H6ClNO3S
88-43-7 - Names and Identifiers
88-43-7 - Physico-chemical Properties
| Molecular Formula | C6H6ClNO3S |
| Molar Mass | 207.63 |
| Density | 1.3501 (rough estimate) |
| Melting Point | 280℃ |
| Boling Point | 290℃[at 101 325 Pa] |
| Water Solubility | 11.6g/L(0 ºC) |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | powder to crystal |
| Color | White to Light yellow to Light orange |
| pKa | -1.70±0.42(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.6000 (estimate) |
| MDL | MFCD00025296 |
| Physical and Chemical Properties | White to light gray needle-like crystals or powder. Slightly soluble in water, insoluble in alcohol and ketone. |
88-43-7 - Risk and Safety
| Risk Codes | 36/37/38 - 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. |
88-43-7 - Reference Information
| LogP | 0.056 at 25℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | use as reactive dye intermediate use as dye intermediate. |
| production method | from sodium 2-chloro-5-nitrobenzenesulfonate by reduction with iron powder in the presence of sulfuric acid. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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