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			 Materialization 
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			 Appearance and properties: Colorless transparent liquid with an aromatic odor. 
			Melting point (℃): -96.7 
			Boiling point (℃): 39.8 
			Relative density (water=1): 1.33 
			Relative vapor density (air=1): 2.93 
			Saturated vapor pressure (kPa): 30.55 (10 ℃) 
			Combustion heat (kJ/mol): 604.9 
			Critical temperature (℃): 237 
			Critical pressure (MPa): 6.08 
			Logarithmic value of octanol/water partition coefficient: 1.25 
			Ignition temperature (℃): 615 
			Upper explosion limit% (V/V): 19 
			Lower explosive limit% (V/V): 12 
			Solubility: Slightly soluble in water, soluble in ethanol and ether. 
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