Item
|
Standard
|
Appearance
|
Colorless transparent liquid
|
Assay,%
|
≥99
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Water,%
|
≤0.10
|
Color(APHA)
|
≤25
|
Specific Gravity(20/20 ºC)
|
1.122-1.24
|
Ash,%(m/m)
|
≤0.01
|
Triethylene glycol is a clear, colorless, viscous, stable liquid with a slightly sweetish odor. Soluble in water; immiscible with benzene, toluene, and gasoline. Combustible. Because it has two ether and two hydroxyl groups its chemical properties are closety related to ethers and primary alcohols. It is a good solvent for gums, resins, nitrocellulose, steam-set printing inks and wood stains. With a low vapor pressure and a high boiling point, its uses and properties are similar to those of ethylene glycol and diethylene glycol. Because it is an efficient hygroscopic agent it serves as a liquid desiccant for removing water from natural gas. It is also used in air conditioning systems designed to dehumidify air. Triethylene glycol is a solvent prepared from ethylene oxide and ethylene glycol.
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