| Product Name | 4-chloropyrocatechol |
| CAS No. | 2138-22-9 |
| Synonyms | Chlorocatechol; 4-Chlorocatechol; 4-Chloro-1,2-Dihydroxybenzene; 4-chlorobenzene-1,2-diol |
| InChI | InChI=1/C6H5ClO2/c7-4-1-2-5(8)6(9)3-4/h1-3,8-9H |
| Molecular Formula | C6H5ClO2 |
| Molecular Weight | 144.5557 |
| Density | 1.471g/cm3 |
| Melting point | 90-94℃ |
| Boiling point | 267.1°C at 760 mmHg |
| Flash point | 115.3°C |
| Refractive index | 1.629 |
| Hazard Symbols |  C:Corrosive; |
| Risk Codes | R34:; |
| Safety | S26:; S36/37/39:; S45:; |
2138-22-9 4-chloropyrocatechol
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