Unsymmetrical Dimethylhydrazine (UDMH)
Unsymmetrical dimethylhydrazine (1,1-dimethylhydrazine) is a clear, colorless hygroscopic liquid. It has an ammonia-like odor which closely resembles that of aliphatic amines. UDMH is miscible with water, hydrazine, dimethylhydrazine, ethanol, amines and most petroleum fuels.
UDMH is mildly alkaline and is a very strong reducing agent. Its high chemical reactivity, easily-controlled functionality and strong hydrogen bonding are its most useful properties.
|Component||(% by Weight)|
|Amines and water, max||2.0|
|UDMH Typical Physical Properties|
|Density||@ 25°C (g/ml)||0.784|
|@ 25°F (lb/gal)||6.6|
|Viscosity||@ 20°C (cp)||0.56|
|Boiling Point||@ 760 mm Hg (°C)||63|
|@ 760 mm Hg (°F)||146|
|Flash Point||COC (°C)||-15|
|Flamable Limits in Air||(% by vol)||2-95|
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