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Methylhydrazine Structure

Methylhydrazine

Chemical Properties

Melting point -21 °C
Boiling point 88-90 °C(lit.)
Density  0.875 g/mL at 20 °C(lit.)
vapor density  1.6 (vs air)
vapor pressure  37.5 mm Hg ( 20 °C)
refractive index  n20/D 1.4325(lit.)
Flash point 70 °F
storage temp.  Flammables area
solubility  Soluble in alcohol and ether (Weast, 1986)
pka 8.84±0.70(Predicted)
form  liquid
color  colorless to pale yellow
explosive limit 97%
Water Solubility  soluble
Merck  13,6109
BRN  635645
Exposure limits Potential occupational carcinogen. NIOSH REL: 2-h ceiling 0.04 ppm (0.08 mg/m3), IDLH 20 ppm; OSHA PEL: ceiling 0.2 ppm (0.35 mg/m3); ACGIH TLV: TWA 0.01 ppm (adopted).
Stability Stable. Flammable. Hygroscopic. Incompatible with strong oxidizing agents, copper, iron and their alloys.
CAS DataBase Reference 60-34-4(CAS DataBase Reference)
NIST Chemistry Reference Hydrazine, methyl-(60-34-4)
EPA Substance Registry System Methyl hydrazine (60-34-4)

Safety Information

Hazard Codes  F,T+,N,T
Risk Statements  11-24/25-26-34-40-51/53-45-23/24/25-50/53
Safety Statements  16-26-28-36/37/39-45-60-53-24/25-61
RIDADR  UN 1244 6.1/PG 1
WGK Germany  3
RTECS  MV5600000
Autoignition Temperature 385 °F
HazardClass  6.1(a)
PackingGroup  I
HS Code  29280000
Hazardous Substances Data 60-34-4(Hazardous Substances Data)
Toxicity LD50 orally in mice, rats: 33.0, 32.5 mg/kg (Witkin); orally in rats: 70.7 mg/kg (Gregory)
IDLA 20 ppm

MSDS

Usage And Synthesis

Preparation Products And Raw materials