P-Cresol
| Names | |
|---|---|
| Preferred IUPAC name 4-Methylphenol | |
| Systematic IUPAC name 4-Methylbenzenol | |
| Other names 4-Cresol p-Cresol 4-Hydroxytoluene p-Cresylic acid 1-Hydroxy-4-methylbenzene | |
| Identifiers | |
| 3D model (JSmol) | |
| 1305151 | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| DrugBank | |
| ECHA InfoCard | 100.003.090 | 
| EC Number | 
 | 
| 2779 | |
| KEGG | |
| PubChem CID | |
| RTECS number | 
 | 
| UNII | |
| CompTox Dashboard (EPA) | |
| 
 | |
| 
 | |
| Properties | |
| C7H8O | |
| Molar mass | 108.13 | 
| Appearance | colorless prismatic crystals | 
| Density | 1.0347 g/ml | 
| Melting point | 35.5 °C (95.9 °F; 308.6 K) | 
| Boiling point | 201.8 °C (395.2 °F; 474.9 K) | 
| 2.4 g/100 ml at 40 °C 5.3 g/100 ml at 100 °C | |
| Solubility in ethanol | miscible | 
| Solubility in diethyl ether | miscible | 
| Vapor pressure | 0.11 mmHg (25 °C) | 
| −72.1×10−6 cm3/mol | |
| Refractive index (nD) | 1.5395 | 
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
| Main hazards | May be fatal if swallowed, inhaled, or absorbed through skin. | 
| GHS labelling: | |
| Danger | |
| H201, H311, H314, H351, H370, H372, H373, H401, H412 | |
| P201, P202, P260, P264, P270, P273, P280, P281, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P307+P311, P308+P313, P310, P312, P314, P321, P322, P330, P361, P363, P405, P501 | |
| NFPA 704 (fire diamond) | |
| Flash point | 86.1 °C (187.0 °F; 359.2 K) | 
| Explosive limits | 1.1%–? | 
| Lethal dose or concentration (LD, LC): | |
| LD50 (median dose) | 207 mg/kg (oral, rat, 1969) 1800 mg/kg (oral, rat, 1944) 344 mg/kg (oral, mouse) | 
| NIOSH (US health exposure limits): | |
| PEL (Permissible) | TWA 5 ppm (22 mg/m3) [skin] | 
| REL (Recommended) | TWA 2.3 ppm (10 mg/m3) | 
| IDLH (Immediate danger) | 250 ppm | 
| Safety data sheet (SDS) | External MSDS | 
| Related compounds | |
| Related phenols | o-cresol, m-cresol, phenol | 
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
para-Cresol, also 4-methylphenol, is an organic compound with the formula CH3C6H4(OH). It is a colourless solid that is widely used intermediate in the production of other chemicals. It is a derivative of phenol and is an isomer of o-cresol and m-cresol.