Triethylene glycol, chemical, colorless, odorless, sweet viscous colorless transparent or yellowish liquid.
English name: triethylene glycol
Chinese alias: triglycol; Triethylene glycol; Diethylene glycol
English name: Triethylene glycol
English alias: TEG; triethylene glycol anhydrous; 2,2-(ethylenedioxy)diethanol; Trigol 95+ % (GLC); Triglycol; Trigol; 2,2'-[ethane-1,2-diylbis(oxy)]diethanol; 2,2'-(Ethylenedioxy)diethanol
CAS no. : 112-27-6 
EINECS no. : 203-953-2
It is a colorless, odorless, sweet viscous colorless transparent or yellowish liquid. Relative density 1.126, the boiling point 285 ℃, melting point - 7 ℃, combustible, flash point 176.7 ℃, spontaneous combustion point 371 ℃, in any proportion of immiscible with water, can reduce the freezing point of water, have great hygroscopicity. HO-(CH2)2-O-(CH2)2-O-(CH2)2-OH, molecular formula C6H14O4. The relative molecular mass was 150.2 (according to the international atomic mass index in 1997).
Triethylene glycol can be used as solvent for aromatics extraction, as solvent for rubber and nitrate fiber, as well as diesel additives and rocket fuel. In addition, it is widely used in medicine, coating, textile, printing and dyeing, food, paper making, cosmetics, leather making, photography, printing, metal processing and other industries. Commonly used as textile auxiliaries, solvents, rubber and resin plasticizer, lubricant viscosity improver and reforming fluid of aromatic extraction agent.