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Phenylhydrazine Structure

Phenylhydrazine

Chemical Properties

Melting point 18-21 °C (lit.)
Boiling point 238-241 °C (lit.)
Density  1.098 g/mL at 25 °C (lit.)
vapor density  4.3 (vs air)
vapor pressure  <0.1 mm Hg ( 20 °C)
refractive index  n20/D 1.607(lit.)
Flash point 192 °F
storage temp.  Store below +30°C.
solubility  Soluble in dilute acids.
form  Powder
pka 8.79(at 15℃)
color  White to slightly blue or light beige
explosive limit 1.1%(V)
Water Solubility  145 g/L (20 ºC)
Sensitive  Air & Light Sensitive
Merck  14,7293
BRN  606080
Exposure limits TLV-TWA skin 0.1 ppm (0.44 mg/m3) (ACGIH), 5 ppm (22 mg/m3) (OSHA); STEL 10 ppm (44 mg/m3) (OSHA); carcinogenicity: A2-Suspected Human Carcinogen (ACGIH), Carcinogen (NIOSH). .
Dielectric constant 7.2(23℃)
Stability Stable, but may decompose in sunlight. May be air or light sensitive. Incompatible with strong oxidizing agents, metal oxides.
CAS DataBase Reference 100-63-0(CAS DataBase Reference)
FDA UNII 064F424C9K
NIST Chemistry Reference Hydrazine, phenyl-(100-63-0)
EPA Substance Registry System Phenylhydrazine (100-63-0)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H301+H311+H331-H315-H317-H319-H341-H350-H372-H400
Precautionary statements P273-P280-P301+P310-P302+P352+P312-P304+P340+P311-P305+P351+P338
Hazard Codes  T,N
Risk Statements  45-23/24/25-36/38-43-48/23/24/25-50-68
Safety Statements  53-45-61
RIDADR  UN 2572 6.1/PG 2
WGK Germany  3
RTECS  MV8925000
8-10-23
Autoignition Temperature 345 °F
TSCA  Yes
HS Code  2928 00 90
HazardClass  6.1
PackingGroup  II
Hazardous Substances Data 100-63-0(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 188 mg/kg
IDLA 15 ppm
NFPA 704:
2
3 0

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