CAS Number: 60-34-4. A clear, corrosive liquid with an
ammonia-like odor, Used as a high-energy fuel, rocket
propellant and fuel for thrusters, and as fuel for small
electrical power generating units. Chemical formula = CH3NHNH2.
Molecular weight = 46.1 g/mol.
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Methylhydrazine is used as a high-energy fuel in military
applications. Acute (short-term) inhalation exposure to high
levels of methylhydrazine may cause lacrimation, eye redness,
nasal and respiratory irritation, headache, malaise, vomiting,
diarrhea, ataxia, anoxia, cyanosis, tremors, and convulsions in
humans. Acute exposure to methylhydrazine in humans has also
been observed to affect the blood, kidneys, and liver.
Methylhydrazine is highly corrosive and irritating to the skin,
eyes, and mucous membranes of the respiratory system in humans
and animals. Chronic (long-term) inhalation exposure to
methylhydrazine has been observed to impair function of the
kidneys and liver, affect the blood and spleen, and cause
convulsions in animals. EPA has not classified methylhydrazine
for carcinogenicity.