Muscat chemical is one of the leading Monomethylhydrazine MMH distributors, manufacturers, exporters, and suppliers in Fujairah, Dubai, Sharjah, Abu Dhabi, Doha, Kuwait, Muscat Oman. We are supplied to various industrial markets including Household, Institutional Cleaning, Personal Care, and Industrial sectors including Oil fields, chemical, Animal feed additive, Food additive, Agrochemical, Fertilizer, pharmaceuticals, water treatment, Minerals, Lubricants, Marine Industry, Metal Working chemical industry, and Coatings markets.
Monomethylhydrazine (mono-methyl hydrazine, MMH) is a highly toxic, volatile hydrazine chemical with the chemical formula CH3(NH)NH2. It is used as a rocket propellant in bipropellant rocket engines because it is “hypergolic” with various oxidizers such as nitrogen tetroxide (N2O4) and nitric acid (HNO3). As a propellant, it is described in specification MIL-PRF-27404.
MMH is a hydrazine-derivative that was once used in the orbital maneuvering system (OMS) and reaction control system (RCS) engines of NASA’s Space Shuttle, which used MMH and MON-3 (a mixture of nitrogen tetroxide with approximately 3% nitric oxide). This chemical is toxic and carcinogenic in small amounts, but it is easily stored in orbit, providing moderate performance for very low fuel tank system weight. MMH and its chemical relative unsymmetrical dimethylhydrazine (UDMH) have a key advantage in that they are stable enough to be used in regeneratively cooled rocket engines. The European Space Agency (ESA) has attempted to seek new options in terms of bipropellant rocket combinations to avoid using deadly chemicals such as MMH and its relatives.
MMH is believed to be the main cause of the toxicity of mushrooms of the genus Gyromitra, especially the false morel (Gyromitra esculenta). In these cases, MMH is formed by the hydrolysis of gyromitrin
Monomethylhydrazine is considered to be a possible occupational carcinogen, and the occupational exposure limits to MMH are set at protective levels to account for the possible carcinogenicity.
The known use of MMH is in the synthesis of suritozole.
Monomethylhydrazine Applications:
As a used widely organic chemical intermediate, MMH is used as follows:
Pharmaceutical intermediate
Synthesis thiotrzinone (TTZ), one of the pro-drugpreparations for Cephalosporins.
Agrochemicals intermediate
Herbicide intermediate
Synthesis Pryrazolate, Benzofemap Pyrazoxyfen
Acaricide intermediate
Synthesis Fenpyroximate, Tebufenpyrad, Tolfenpyrad.
It is also used to produce storable fuel for the auxiliary propulsion system of the space vehicle control propulsion system.
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