The monochlorophenols are chemical compounds consisting of phenol substituted with a chlorine atom. There are three isomers, 2-chlorophenol, 3-chlorophenol, and 4-chlorophenol.
| Chlorphenols | |||
| IUPAC name | 2-Chlorophenol | 3-Chlorophenol | 4-Chlorophenol |
| Other names | o-Chlorophenol | m-Chlorophenol | p-Chlorophenol |
| Chemical structure | 
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| CAS number | 95-57-8 | 108-43-0 | 106-48-9 |
| 25167-80-0 (mixture) | |||
| PubChem ID | CID 7245 from PubChem | CID 7933 from PubChem | CID 4684 from PubChem |
| Chemical formula | C6H5ClO | ||
| Molar mass | 128.56 g/mol1 | ||
| Physical state | liquid | solid | |
| Melting point | 7 °C1 | 33–35 °C2 | 43 °C3 |
| Boiling point | 174 °C1 | 214 °C2 | 220 °C3 |
| Density | 1.26 g/cm31 | 1.25 g/cm32 | 1.31 g/cm33 |
| Vapor pressure | 2.3 mbar (20 °C)1 | 0.23 mbar (20 °C)2 | 0.15 mbar (20 °C)3 |
| pKa4 | 8.48 | 9.08 | 9.38 |
| Solubility | Low solubility in water (27–29 g/L at 20 °C)123 | ||
| Flash point | 85 °C1 | 120 °C2 | 121 °C3 |
| GHS hazard pictograms |   123
| ||
| GHS hazard statements | H302, H312, H332, H411 | ||
| P273 | P273, P280 | P273, P302+P352 | |
References
References
- Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
- Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
- Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
- CRC Handbook of Tables for Organic Compound Identification (Third ed.). 1984. ISBN 0-8493-0303-6.