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Encyclopedia > Monomethylhydrazine

Monomethylhydrazine (MMH) is a volatile hydrazine with the chemical formula CH3N2H3. It is used as a rocket fuel in bipropellant rocket engines. Volatile is the name of more than one concept: A financial instrument with high volatility is considered volatile in economics. ... Hydrazine is a chemical compound with formula N2H4 used as a rocket fuel. ... A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Atomic mass 12. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... General Name, Symbol, Number nitrogen, N, 7 Chemical series nonmetals Group, Period, Block 15, 2, p Appearance colorless Atomic mass 14. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... For the workstation, see SGI Fuel. ... F-1 rocket engine (The kind used by the Saturn V.) A bipropellant rocket is a rocket that uses separate liquid fuel and oxidizer propellants. ...


It is also found in poisonous gyromitra mushrooms, or "false morels". Basidiocarps (mushrooms) of the fungus Leucocoprinus sp. ... Binomial name Gyromitra esculenta The false morel is a mushroom, similar in appearance to the true morel, that is often eaten but may be poisonous. ...


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  Results from FactBites:
 
Gemini Press Reference Book (1254 words)
The combustion chamber and the expansion nozzle are lined with an ablative material which maintains internal geometry and protects the external wall from temperature damage.
The oxidizer is nitrogen tetroxide; the fuel is monomethylhydrazine.
The oxidizer and fuel propellant tanks are all-welded titanium spherical structures.
Nat' Academies Press, Acute Exposure Guideline Levels for Selected Airborne Chemicals: Volume 1 (2000) (5195 words)
Earlier data were summarized regarding the pharmacologic and toxicologic effects of monomethylhydrazine in laboratory animals by various routes of administration, noting involvement of the central nervous system, lungs, liver, and kidneys.
(1955) assessed the lethality of monomethylhydrazine in hamsters exposed for 4 h.
Syrian golden hamsters were exposed to monomethylhydrazine at concentrations of 460, 620, 810, 910, 1,110, or 1,380 ppm for 1 h followed by a 14-d observation period.
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