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SYNONYMS: 3-Oxa-1,5-pentanediol; Bis(2-hydroxyethyl)ether; DEG; 2,2'-Oxydiethanol; Diglycol; Dihydroxydiethyl ether; 2,2'-Dihydroxyethyl ether; Ethylene diglycol; 2,2'-Oxybisethanol; 2-(2-Hydroxyethoxy)ethanol

CAS NO.: 111-46-6

EINECS NO.: 203-872-2

FORMULA: O(CH₂CH₂OH)₂

MOL WT.: 106.12

H.S. CODE: 2909.41

PHYSICAL STATE: clear liquid

MELTING POINT: -10 centigrade

BOILING POINT: 244-245 centigrade

SPECIFIC GRAVITY: 1.117-1.12

SOLUBILITY IN WATER: Soluble

VAPOR DENSITY: 3.66

AUTOIGNITION: 700 centigrade

NFPA RATINGS: Health: 1 Flammability: 1 Reactivity: 0

FLASH POINT: 93 centigrade

STABILITY: Stable under ordinary conditions

PURITY: 99% min

APPLICATIONS: Because of its low freezing point, involatility and low corrosive activity, it is widely used in mixtures of automobile antifreeze and engine-cooling liquids. Diethylene glycol is used in the manufacture of unsaturated polyester resins, polyurethanes and plasticizers. It is a water-soluble liquid; boiling point 245 C; soluble in many organic solvents. It is used as a humectant in the tobacco industry and in the treatment of corks, glue, paper and cellophane.