P-Anisidine
|  | |||
| Names | |||
|---|---|---|---|
| Preferred IUPAC name 4-Methoxyaniline | |||
| Other names para-Anisidine; 4-Aminoanisole; p-Aminoanisole | |||
| Identifiers | |||
| 3D model (JSmol) | |||
| ChEBI | |||
| ChEMBL | |||
| ChemSpider | |||
| ECHA InfoCard | 100.002.959 | ||
| EC Number | 
 | ||
| KEGG | |||
| PubChem CID | |||
| RTECS number | 
 | ||
| UNII | |||
| UN number | 2431 | ||
| CompTox Dashboard (EPA) | |||
| 
 | |||
| 
 | |||
| Properties | |||
| C7H9NO | |||
| Molar mass | 123.155 g·mol−1 | ||
| Appearance | Light reddish brown solid | ||
| Odor | Fishy | ||
| Density | 1.071 (at 57 °C) | ||
| Melting point | 56 to 59 °C (133 to 138 °F; 329 to 332 K) | ||
| Boiling point | 243 °C (469 °F; 516 K) | ||
| Sparingly soluble | |||
| Solubility in other solvents | Soluble in ethanol, diethyl ether, acetone, benzene | ||
| Vapor pressure | 0.006 mmHg (25 °C) | ||
| −80.56·10−6 cm3/mol | |||
| Refractive index (nD) | 1.5559 | ||
| Hazards | |||
| Occupational safety and health (OHS/OSH): | |||
| Main hazards | Carcinogen | ||
| GHS labelling: | |||
| Warning | |||
| H300, H310, H330, H350, H373, H400 | |||
| P201, P202, P260, P262, P264, P270, P271, P273, P280, P281, P284, P301+P310, P302+P350, P304+P340, P308+P313, P310, P314, P320, P321, P322, P330, P361, P363, P391, P403+P233, P405, P501 | |||
| Flash point | 122 °C (252 °F; 395 K) | ||
| 515 °C (959 °F; 788 K) | |||
| Lethal dose or concentration (LD, LC): | |||
| LD50 (median dose) | 145 mg/kg (rabbit, oral) 130 mg/kg (mouse, oral) 140 mg/kg (rat, oral) | ||
| LDLo (lowest published) | 100 mg/kg (mouse, oral) | ||
| NIOSH (US health exposure limits): | |||
| PEL (Permissible) | TWA 0.5 mg/m3 [skin] | ||
| REL (Recommended) | TWA 0.5 mg/m3 [skin] | ||
| IDLH (Immediate danger) | 50 mg/m3 | ||
| Related compounds | |||
| Related compounds | o-Anisidine m-Anisidine | ||
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |||
p-Anisidine (or para-anisidine) is an organic compound with the formula CH3OC6H4NH2. A white solid, commercial samples can appear grey-brown owing to air oxidation. It is one of three isomers of anisidine, methoxy-containing anilines. It is prepared by reduction of 4-nitroanisole.