Phenylhydrazine

Phenylhydrazine^[1]^[2]
Ball-and-stick model of phenylhydrazine	Space-filling model of phenylhydrazine
Names
	Preferred IUPAC name Phenylhydrazine
	Other names Hydrazinobenzene
Identifiers
CAS Number	100-63-0 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:27924 ;
ChEMBL	ChEMBL456807 ;
ChemSpider	7235 ;
ECHA InfoCard	100.002.612
KEGG	C02304 ;
PubChem CID	7516;
UNII	064F424C9K ;
CompTox Dashboard (EPA)	DTXSID8021147 ;
	InChI InChI=1S/C6H8N2/c7-8-6-4-2-1-3-5-6/h1-5,8H,7H2 Key: HKOOXMFOFWEVGF-UHFFFAOYSA-N ; InChI=1/C6H8N2/c7-8-6-4-2-1-3-5-6/h1-5,8H,7H2 Key: HKOOXMFOFWEVGF-UHFFFAOYAN;
	SMILES NNc1ccccc1;
Properties
Chemical formula	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)
Magnetic susceptibility (χ)	-67.82·10−6 cm3/mol
Hazards
NFPA 704 (fire diamond)	3 2 3
Flash point	88 °C; 190 °F; 361 K
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	188 mg/kg (rat, oral); 175 mg/kg (mouse, oral); 80 mg/kg (rabbit, oral); 80 mg/kg (guinea pig, oral); 200-250 mg/kg (dog, oral);
	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). verify (what is ?) Infobox references

Phenylhydrazine is the chemical compound with the formula C₆H₅NHNH₂. It is often abbreviated as PhNHNH₂. It is also found in edible mushrooms.^[5]

^ Merck Index, 11th Edition, 7264.
^ Pure component properties
^ ^a ^b ^c ^d ^e ^f ^g NIOSH Pocket Guide to Chemical Hazards. "#0499". National Institute for Occupational Safety and Health (NIOSH).
^ "Phenylhydrazine". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
^ Andersson, H. C.; Gry, Jørn (2004). Phenylhydrazines in the cultivated mushroom (Agaricus bisporus). Nordic Council of Ministers. ISBN 9789289301978.

[Merck-1] Merck Index, 11th Edition, 7264.

[2] Pure component properties

[PGCH-3] ^ ^a ^b ^c ^d ^e ^f ^g NIOSH Pocket Guide to Chemical Hazards. "#0499". National Institute for Occupational Safety and Health (NIOSH).

[4] "Phenylhydrazine". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).

[5] Andersson, H. C.; Gry, Jørn (2004). Phenylhydrazines in the cultivated mushroom (Agaricus bisporus). Nordic Council of Ministers. ISBN 9789289301978.

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