Polyethylene glycol 3350/ polyoxyethylene 3350/peg3350

English Name: peg3350; Polyethylene glycol 3350 

Other names: polyoxyethylene 3350; α- Hydrogen- ω- Hydroxy (oxygen-1,2-ethylenediyl) polymer; Polyethylene oxide 3350

CAS No.: 25322-68-3

Molecular formula: Ho (CH2CH2O) NH

Grade: CP

Average molecular weight: 3350

pH（50g/L，25℃）：4.0～7.0 

Crystallization point: 50 ~ 55 ℃

Clarity test: acceptable

Burning residue: ≤ 0.2%

Physicochemical properties: white or light yellow hard waxy solid or granular. There is a slight special smell. Soluble in water and ethanol, insoluble in ether. The relative density (d2525) is 1.212. Melting point 54 ~ 58 ℃. Viscosity (99 ℃) 76 ~ 110 μ m2/s。 Flash point (open cup) >246 ℃. LD50 (rat, oral) 59g/kg

Purpose: biochemical research. The gas chromatographic stationary liquid (the maximum operating temperature is 120 ℃, and the solvents are acetone, chloroform, dichloromethane), separates and analyzes oxygenates such as alcohols, ketones, aldehydes, and water, fatty amines, and volatile oils in polytetrafluoroethylene. It is widely used as a carrier and modifier of the inner wall of capillary column. Organic synthesis.

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