Hydrazine Hydrate
Structural Formula Vector Image
Title: Hydrazine Hydrate
CAS Registry Number: 7803-57-8
Molecular Formula: H6N2O
Molecular Weight: 50.06
Percent Composition: H 12.08%, N 55.96%, O 31.96%
Line Formula: H2NNH2.H2O
Literature References: Prepd from hydrazine sulfate by the action of NaOH, followed by distn under nitrogen.
Properties: Fuming refractive liquid, faint characteristic odor. Violent poison! d21 1.03. mp -51.7° or below -65° (two eutectics). bp740 118-119°; bp26 47°. nD20 1.42842. Strong base, very corrosive, attacks glass, rubber, cork, but not stainless V2A steel or Allegheny stainless 304 and 347. Molybdenum steels such as Allegheny stainless 316 should not be used. Very powerful reducing agent. Miscible with water and alcohol. Insol in chloroform and ether.
Melting point: mp -51.7° or below -65° (two eutectics)
Boiling point: bp740 118-119°; bp26 47°
Index of refraction: nD20 1.42842
Derivative Type: Mixture with methanol
Additional Names: C-Stuff
CAUTION: Causes delayed eye irritation.
Use: Reducing agent, solvent for inorganic materials. Manuf "Helman" catalyst, consisting of 80% hydrazine hydrate, 19.5% ethanol, 0.5 to 0.05% copper, used to dec hydrogen peroxide in V-2 type rockets. Mixture with methanol as propellant for rocket engines.

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