Phenylhydrazine
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| Names | |||
|---|---|---|---|
| Preferred IUPAC name Phenylhydrazine | |||
| Other names Hydrazinobenzene | |||
| Identifiers | |||
| 3D model (JSmol) | |||
| ChEBI | |||
| ChEMBL | |||
| ChemSpider | |||
| ECHA InfoCard | 100.002.612 | ||
| KEGG | |||
| PubChem CID | |||
| UNII | |||
| CompTox Dashboard (EPA) | |||
| 
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| 
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| Properties | |||
| C6H5NHNH2 | |||
| Molar mass | 108.144 g·mol−1 | ||
| Appearance | Colorless to pale-yellow liquid or solid | ||
| Odor | faint, aromatic | ||
| Density | 1.0978 g/cm3 | ||
| Melting point | 19.5 °C (67.1 °F; 292.6 K) (24 °C for hemihydrate) | ||
| Boiling point | 243.5 °C (470.3 °F; 516.6 K) (decomposition) | ||
| Vapor pressure | 0.04 mmHg (25°C) | ||
| −67.82·10−6 cm3/mol | |||
| Hazards | |||
| NFPA 704 (fire diamond) | |||
| Flash point | 88 °C; 190 °F; 361 K | ||
| Lethal dose or concentration (LD, LC): | |||
| LD50 (median dose) | 
 | ||
| NIOSH (US health exposure limits): | |||
| PEL (Permissible) | TWA 5 ppm (22 mg/m3) [skin] | ||
| REL (Recommended) | Ca C 0.14 ppm (0.6 mg/m3) [2-hr] [skin] | ||
| IDLH (Immediate danger) | Ca [15 ppm] | ||
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |||
Phenylhydrazine is the chemical compound with the formula C6H5NHNH2. It is often abbreviated as PhNHNH2. It is also found in edible mushrooms.