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			 Materialization 
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			 Colorless and volatile liquid. There is a smell of ammonia. Density 0.694. Melting point -101 ℃. Boiling point 33~34 ℃. The refractive index is 1.3770 (15 ℃). Soluble in water and strongly alkaline. Dissolve in ethanol and ether. Flammable. Toxic. 
			Specific gravity (4 ℃): 0.73 
			Density (g/ml, 20 ℃): 0.72 
			Boiling point (℃): 47.40 
			Color (APHA) Max: 10 
			Flash point (℃): < 0 
			Used for the production of pharmaceuticals, pesticides, dyes, catalysts, etc 
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