| Name | 4-chloropyrocatechol |
| Synonyms | AIDS-017780 Chlorocatechol 4-Chlorocatechol 4-CHLOROCATHECOL 4-CHLOROCATECHOL 4-chloropyrocatechol 4-MONOCHLOROCATECHOL 4-chloro-pyrocatecho 4-chloro-2-benzenediol 4-Chlorobenzene-1,2-diol 4-chlorobenzene-1,2-diol 4-Chloro-1,2-Dihydroxybenzene 4-CHLORO-1,2-DIHYDROXYBENZENE |
| CAS | 2138-22-9 |
| EINECS | 218-381-9 |
| InChI | InChI=1/C6H5ClO2/c7-4-1-2-5(8)6(9)3-4/h1-3,8-9H |
| InChIKey | WWOBYPKUYODHDG-UHFFFAOYSA-N |
| Molecular Formula | C6H5ClO2 |
| Molar Mass | 144.56 |
| Density | 1.2558 (rough estimate) |
| Melting Point | 90-94 °C (lit.) |
| Boling Point | 140°C 10,5mm |
| Flash Point | 115.3°C |
| Vapor Presure | 0.00505mmHg at 25°C |
| pKa | 8.84±0.10(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.4620 (estimate) |
| MDL | MFCD00059614 |
| Hazard Symbols | C - Corrosive![]() |
| Risk Codes | 34 - Causes burns |
| 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 1759 8/PG 2 |
| WGK Germany | 3 |
| RTECS | UX1490000 |
| HS Code | 29081990 |
| Hazard Class | 8 |
| Packing Group | II |
| biological activity | 4-Chlorocatechol is the main degradation product of 4-chloro-2-aminophenol (4C2AP). 4-Chlorocatecol is also a substrate catechol 1,2-dioxygenases and chlorocatechol dioxygenase enzymes. |