Triethylene glycol

Triethylene glycol

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ImageFile = Triethylene glycol.png ImageSize = 200px
IUPACName = 2- [2-(2-Hydroxyethoxy)ethoxy] ethanol
OtherNames = Triglycol
Section1 = Chembox Identifiers
Abbreviations = TEG
CASNo = 112-27-6
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PubChem = 8172
SMILES = C(COCCOCCO)O
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Section2 = Chembox Properties
C = 6 | O = 4 | H = 14
Appearance =Colourless liquid
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MeltingPt = -7oC
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BoilingPt = 285oC
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Section7 = Chembox Hazards
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Section8 = Chembox Related
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OtherFunctn = Ethylene glycol, Diethylene glycol
Function = diols
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Triethylene glycol, TEG, or triglycol is a colourless odourless viscous liquid with molecular formula HO((CH2CH2)O)3H. It is used as a plasticizer for vinyl. It is also used in Air-Sanitizer products, like "Oust" or "Clean and Pure." When aerosolized, it acts as a disinfectant. Glycols are also used as liquid desiccants for natural gas and in air conditioning systems. It is an additive for hydraulic fluids and brake fluids.

Triethylene glycol (TEG) is a member of a homologous series of dihydroxy alcohols. It is a colourless, odourless stable liquid with low viscosities and high boiling points. Apart from its use as a raw material in the manufacturing and synthesizing of other products TEG is known for its hygroscopic quality and its ability to dehumify fluids. It is viscous liquid; miscible with water with a boiling point of 198 C and a melting point 13 C. It is also soluble in ethanol, acetone, acetic acid, glycerine, pyridine, aldehydes; slightly soluble in ether and insoluble in oil, fat, hydrocarbons. It is prepared commercially as a co-product of the oxidation of ethylene at high temperature in the presence of silver oxide catalyst, followed by hydration of ethylene oxide to yield mono-, di-, tri-, and tetraethylene glycols.


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