Description

Name:Ethylene glycol;
Abbreviation:EG;
Category:simple diols;
Chemical formula:(CH2OH)2;
Molecular weight:*2.**8;
CAS:*******1;
EINECS:********3;
Melting point:**2.9℃;
Boiling point:**7.3℃;
Density:1.***5(*0℃）;
Flash point:**1.1℃;
Critical pressure:***9KPa;
Critical temperature:**2℃;
Eccentricity factor:0.*7;
Critical molar volume:**6C3/mol;
Vapor pressure:0.*6mmHg(0.*6mmHg)/*0℃;
Viscosity:*5.*6mPa.s(*6℃）;
Solubility:Miscible with water / ethanol / acetone / acetic acid glycerol pyridine, slightly soluble in ether, insoluble in petroleum hydrocarbons and oils, dissolved in calcium chloride / zinc chloride / sodium chloride / potassium carbonate / potassium chloride / potassium iodide / potassium hydroxide and other inorganic compounds;
Surface tension:*6.*9 mN/m (*0℃);
Light:**8℃;
Combustion heat:***0.*6KJ/mol;
Physical characteristics:at *5 degrees centigrade, the dielectric constant is *7; it is easy to absorb moisture when the concentration is high;
Properties:colorless, odorless, sweet liquid;
Chemical property:it\'s toxic to animals,the lethal dose is about 1.6 g/kg,low molecular weight,lively nature. It can esterification, etherification, oxidation, aging, acetal, dehydration reaction;
Application:
1. Polyester terylene, polyester resin, synthetic fiber, cosmetics and explosives: moisture absorbent, plasticizer, surfactant;
2. Printing ink, industrial cleaning agent, coating (nitrocellulose lacquer, varnish, enamel), copper clad laminate, printing and dyeing, etc.: solvent and diluent;
3. Glass paper, fiber, leather: wetting agent for adhesives;
4. The car, industry cold transport:antifreeze, coolant, condensing agent;
5. Pesticide intermediate、pharmaceutical intermediate、synthetic brake fluid and other chemical products:raw material;
6. Textile auxiliaries, synthetic liquid dyes and chemical fertilizer desulfurization agents:raw material;
7. Preparation of engine antifreeze, gas dehydration, resin manufacturing, production of synthetic resin PET, PET fiber grade polyester fiber, bottle grade PET used for the production of mineral water bottles, the production of alkyd resin and biformyl, electrolytic capacitor electrolyte, tanning chemical fiber dyeing agent etc.