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TETRAETHYLENE GLYCOL

TETRAETHYLENE GLYCOL

CAS NO.:  112-60-7
EC/LIST NO: 203-989-9

An oligomer of polyethylene glycol, tetra (ethylene glycol) (TEG) is a transparent, colorless, odorless, low volatility, hygroscopic liquid soluble in ethyl alcohol and very soluble in water.


Tetraethylene glycol (TEG) by India Glycol is a colorless, odorless and stable liquid for coatings applications. 
Possesses low viscosity and a high boiling point. 
Tetraethylene glycol (TEG) is miscible in water and hygroscopic in nature.

Tetraethylene glycol dimethyl ether (TEGDME or tetraglyme) is a polar aprotic solvent with excellent chemical and thermal stability. 
Tetraethylene glycols high boiling point and stability makes it an ideal candidate for separation processes and high temperature reactions. 
Tetraethylene glycol is also used in lithium-ion battery technology and combined with trifluoroethanol as a working pair for organic absorption heat pumps

Tetraethylene glycol, also known as 2,2’-[oxybis(2,1-ethanediyloxy)]bisethanol or 3,6,9-trioxaundecan-1,11-diol, is classified as a member of the polyethylene glycols. 
Tetraethylene glycol is an industrial solvent/chemical with a higher boiling point and lower volatility than the lower ethylene glycols. 
Tetraethylene glycol is especially useful in polyester resins and as a plasticizer. 
Tetraethylene glycol is also used as a chemical intermediate and as a solvent in the production of inks and dyes. 
Tetraethylene glycol is often used as a process solvent in hydrocarbon purification processes and as a coupling agent in the production of textile lubricants and formulations. 
Tetraethylene glycol is a non-carcinogenic (not listed by IARC) potentially toxic compound.

TETRAETHYLENE GLYCOL is a ether-alcohol derivative. 
The ether being relatively unreactive. 
Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. 
They react with oxoacids and carboxylic acids to form esters plus water. 
Oxidizing agents convert alcohols to aldehydes or ketones. 
Alcohols exhibit both weak acid and weak base behavior.
They may initiate the polymerization of isocyanates and epoxides.

Tetraethylene glycol (TTEG) is a transparent, colorless, practically odorless, low-volatility, moderate-viscosity, hygroscopic liquid. 
Tetraethylene glycol (TTEG) is completely miscible with water and many organic liquids. 
Tetraethylene glycol (TTEG) has properties similar to diethylene and triethylene glycols and may be used preferentially in applications requiring a higher boiling point, higher molecular weight, or lower hygroscopicity.

The hydroxyl groups on tetraethylene glycol (TTEG) undergo the usual alcohol chemistry, giving a wide variety of possible derivatives. 
Hydroxyls can be converted to aldehydes, alkyl halides, amines, azides, carboxylic acids, ethers, mercaptans, nitrate esters, nitriles, nitrite esters, organic esters, peroxides, phosphate esters, and sulfate esters.

Tetraethylene glycol (TTEG) may be used directly as a plasticizer or modified by esterification. 
The solubility properties of tetraethylene glycol (TTEG) are important for many applications. 
The end uses for tetraethylene glycol (TTEG) are numerous. 

Tetraethylene glycol is an industrial solvent/chemical with a higher boiling point and lower volatility than the lower ethylene glycols. 
Tetraethylene glycol is especially useful in polyester resins and as a plasticizer. 
Tetraethylene glycol is also used as a chemical intermediate and as a solvent in the production of inks and dyes. 
Tetraethylene glycol is often used as a process solvent in hydrocarbon purification processes and as a coupling agent in the production of textile lubricants and formulations.

CAS number    : 112-60-7
EC number    : 203-989-9
Hill Formula    : C₈H₁₈O₅
Chemical formula    : HO(CH₂CH₂O)₄H
Molar Mass    : 194.23 g/mol
HS Code     : 2909 49 80

Boiling point     : 327 - 328 °C (1013 hPa)
Density    : 1.120 g/cm3 (25 °C)
Explosion limit    : 0.5 - 3.4 %(V)
Flash point    : 204 °C
Ignition temperature    : 340 °C DIN 51794
Melting Point    : -9.4 °C
pH value    : 8.5 - 9.0 (500 g/l, H₂O, 20 °C)
Vapor pressure    : <0.1 hPa (26 °C)
Viscosity kinematic    : 50.13 mm2/s (20.65 °C)
Solubility    : 1000 g/l

Tetraethylene glycol is a polymer consisting of ethylene glycol monomer units and two terminal hydroxyl groups. 
The hydroxyl groups can react to further derivatize the compound. 
Ethylene glycol compounds have hydrophilic characteristics. 
The solubility of the polymer increases as the number of ethylene glycol groups increase.

A transparent, colorless, practically odorless, low-volatility, moderate-viscosity, hygroscopic liquid. 
Tetraethylene glycol is completely miscible with water and many organic liquids

Tetraethylene glycol is used as a solvent to dissolve water-insoluble compounds. 
Tetraethylene glycol is employed as a nitrocellulose solvent, a plasticizer, a natural gas desiccant, a hydraulic fluid and in lacquers and coatings. 
Furthermore, it is used in the synthesis of tetraethylene glycol methacrylate monomer. 
Tetraethylene glycolacts as a chemical intermediate and acts as a solvent for the manufacturing of inks and dyes. 
Tetraethylene glycol addition, it serves as a coupling agent in the production of textile lubricants and formulations.

Used for the synthesis of tetraethylene glycol metha acrylate monomer.

Glow discharge plasma deposition of Tetraethylene glycol renders surfaces resistant to protein adsorption and cellular attachment.

IUPAC NAME:

2,2'-[oxybis(ethane-2,1-diyloxy)]diethanol

2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethanol

2-{2-[2-(2-hydroxyethoxy)ethoxy]ethoxy}ethan-1-ol

3,6,9-Trioxaundecane-1,11-diol

3,6,9-trioxaundecane-1,11-diol

Bis[2-(2-hydroxyethoxy)ethyl] ether, Tetra(ethylene glycol), Tetraglycol

Poly elhylene glycol

SYNONYMS:

112-60-7
1634320 
2,2'-[Oxybis(2,1-ethandiyloxy)]diethanol 
2,2'-[Oxybis(2,1-ethanediyloxy)]diethanol 
2,2'-[Oxybis(2,1-éthanediyloxy)]diéthanol 
2,2'-[Oxybis(ethane-2,1-diyloxy)]diethanol
203-989-9 
Bis[2-(2-hydroxyethoxy)ethyl] ether
Bis[2-(2-hydroxyethoxy)ethyl]ether
Ethanol, 2,2'-[oxybis(2,1-ethanediyloxy)]bis

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