Name: Hydrazine Hydrate

Molecular formula: N2H4 · H2O

Molecular weight: 50.06

CAS : 7803-57-8

MDL number: MFCD00149931

EINECS : 206-114-9

RTECS number: MV8050000

BRN number: 878137

PubChem number: 24852482

Physical properties

Freezing point: -51.7 ℃

Melting point: -40 ° C

Boiling point: 118.5 ℃

Relative density (water = 1): 1.032 (21/4 ℃, refers to the density ratio of hydrazine hydrate at 21 ℃ to water at 4 ℃)

Vapor pressure: 72.8 ℃

Specific gravity: 1.03 (21 ℃)

Solubility: Hydrazine hydrate liquid exists as dimer, miscible with water and ethanol, insoluble in ether and chloroform

Corrosiveness: can attack glass, rubber, leather, cork, etc.

Stability: stable, decomposes into N2, NH3 and H2 at high temperature (about 1000 ℃)

Chemical reaction: hydrazine hydrate is extremely reducible, reacts violently with halogen, HNO3, KMnO4, etc., can absorb CO2 in the air and generate smoke

Appearance and properties: colorless and transparent oily fume liquid, with a slight ammonia smell, smokes in humid air, has strong alkalinity and hygroscopicity.

Usage:

As an important fine chemical raw material, hydrazine hydrate is mainly used to synthesize foaming agents such as AC, D1PA, and TSH; it is also used as a deoxidation and carbon dioxide cleaning treatment agent for boilers and reactors; it is used in the pharmaceutical industry to produce Tuberculosis, anti-diabetic drugs; used in the pesticide industry for the production of herbicides, plant growth regulators and fungicides, insecticides, rodenticides; it can also be used to produce rocket fuel, diazo fuel, rubber additives, etc.