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Molecular formula : HOCH2CH2OH
CAS :
nature : Alias glycol. Colorless, odorless liquid viscosity. Slightly sweet flavor. Yi-absorbent, combustible. The lower the freezing point of water. -12.6 ° C melting point. The boiling point of 198 ° C. The relative density of 1.1088. L.4316 refractive index. The flash point of 116 ° C. Viscosity (20 ° C) 20.93mPa s. Spontaneous ° C412.8 points. With water, ethanol, acetone, formaldehyde, acetic acid and other segments. Micro-soluble ether, benzene almost insoluble. Industrial by direct hydration of ethylene oxide obtained. 1mol/LG containing sodium and 1% acid 4 G trimethylamine formaldehyde (37% ~ 52%) aqueous solution by electrolysis reduction coupling produces glycol. In response ion exchange membrane to the cathode electrolyzer room, graphite cathode materials, the current density 40A/dm2, cell voltage 4.0V. Mainly used in the production of polyester resins, alkyd resins, plasticizers, antifreeze, but also for cosmetics and explosives.
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