Description
Hydrazine hydrate *0%
Freezing point: *1.7 ℃
melting point: - *0 ℃
Boiling point: **8.5 ℃
Close degree: relative density (water = 1) 1.**2 (*1/4 ℃, refers
to *1 ℃ of hydrazine hydrate and 4 ℃ water density than)
Steam pressure: *2.8 ℃
Surface tension (*5 ℃) of *4.0 mN/m
Formation heat - **2.*1 kJ/mol
Flash point (open cup method) *2.8 ℃
Solubility: hydrazine hydrate liquid to dimer form existence, with
water and ethanol miscibility, not soluble in ether and
chloroform
Corrosive: can erosion glass, rubber, leather, cork, etc
Stability: stability, under high temperature decomposition into N2,
NH3 and H2
Chemical reaction: hydrazine hydrate reducibility is extremely
strong, and halogen, HNO3, KMnO4 fierce reaction, etc, in the air
can absorb CO2, produce smoke
Appearance and properties: colorless transparent oily smoke liquid,
micro has special ammonia smell, in wet air smoke, has the strong
alkaline and hygroscopicity.
Dangerous sign: *0 (alkaline corrosion product)
With normal: used as reducing agent, antioxidant, used in producing
medicine, foaming agent N, etc
