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Physical & Chemical properties

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Summary of physical and chemical properties:

Appearance/state/colour = White, non-uniform powder

Melting point = 90 degC

Boiling point = 198 - 230 degC

Density = 0.4 at 21 degC

Particle size = 0.580% with a particle size of < 10um

Vapour pressure = 0.000012 Pa at 25 degC

Partition coefficient (octanol-water), Log P = -2.9 at 20 degC.

Water solubility = Found to be loading dependant. The water solubility of the hydrolysis product DMH is 140 g/l at 20 degC.

Surface tension = 72.4 mN/m at 20 degC

Flash point = Not applicable to a solid

Auto flammability = Did not self-ignite below the melting point

Flammability = Non flammable

Explosiveness = Non explosive

Oxidising properties = Non oxidising

Stability in organic solvents = Not determined

Dissociation constant (calculated) = 13.43, 13.41, -2.02 and -3.54

Viscosity = Not applicable to a solid