What does monomethylhydrazine mean?
Definitions for monomethylhydrazine
monomethyl·hy·drazine
This dictionary definitions page includes all the possible meanings, example usage and translations of the word monomethylhydrazine.
Wiktionary
monomethylhydrazinenoun
A volatile hydrazine with the chemical formula CH(NH)NH, used as fuel in bipropellant rocket engines.
Wikidata
Monomethylhydrazine
Monomethylhydrazine is a volatile hydrazine chemical with the chemical formula CH3 NH2. It is used as a rocket propellant in bipropellant rocket engines because it is hypergolic with various oxidizers such as nitrogen tetroxide and nitric acid. As a propellant, it is described in specification MIL-PRF-27404. MMH is a hydrazine derivative used in the orbital maneuvering system and reaction control system engines of NASA's Space Shuttle, which use MMH and MON-3. This chemical is toxic and carcinogenic in small amounts, but it is easily stored in outer space providing moderate performance for very low fuel tank system weight. Recently the European Space Agency has attempted to seek new options in terms of bipropellant rocket combinations to avoid poisonous chemicals such as this and its relatives. MMH and its chemical relative unsymmetrical dimethylhydrazine have a key advantage that they are stable enough to be used in regeneratively cooled rocket engines. The Apollo Lunar Modules used a one-to-one mixture of hydrazine and UDMH as one part of the rocket fuel for lunar landings and takeoff: the rocket motors formed a hypergolic mixture of the hydrazines with liquid dinitrogen tetroxide as the usual oxidizer. About three tons of mixed hydrazines and four and one half tons of the oxidizer were required for each landing, and about one-third of those amounts for the lunar take-off to orbit.
U.S. National Library of Medicine
Monomethylhydrazine
Hydrazine substituted by one methyl group.
Numerology
Chaldean Numerology
The numerical value of monomethylhydrazine in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of monomethylhydrazine in Pythagorean Numerology is: 7
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"monomethylhydrazine." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/monomethylhydrazine>.
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