CAS Number: 302-01-2. A colorless, fuming, corrosive, strongly
reducing liquid base, used primarily in fuels for rocket and
jet engines. Chemical formula = N2H4. Molecular weight = 32.05
g/mol.
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Individuals may be exposed to hydrazine in the workplace or to
small amounts in tobacco smoke. Symptoms of acute (short-term)
exposure to high levels of hydrazine may include irritation of
the eyes, nose, and throat, dizziness, headache, nausea,
pulmonary edema, seizures, and coma in humans. Acute exposure
can also damage the liver, kidneys, and central nervous system in
humans. The liquid is corrosive and may produce dermatitis from
skin contact in humans and animals. Effects to the lungs, liver,
spleen, and thyroid have been reported in animals chronically
(long-term) exposed to hydrazine via inhalation. Increased
incidences of lung, nasal cavity, and liver tumors have been
observed in rodents exposed to hydrazine. EPA has classified
hydrazine as a Group B2, probable human carcinogen.