PEG400 是一种强亲水性聚乙二醇，可作为多种物质的优良溶剂，广泛用于多种药物制剂中。

PEG400 is a strongly hydrophilic polyethylene glycol used as an excellent solvent for a large number of substances,and is widely used in a variety of pharmaceutical formulations.

PEG400 Treatment of Fischer 344 rats at a constant volume of 1.0, 2.5 or 5.0 mL/kg body weight/day 5 days/wk for 13 week does not result in any mortality attributed to chemical toxicity or changes in haematology or clinical chemistry findings[1].

T19506

HO(CH2CH2O)nH

HO(CH2CH2O)nH

PEG400

H2O:100 mg/mL,Need ultrasonic
DMSO:100 mg/mL,Need ultrasonic
Powder: -20°C for 3 years
In solvent: -80°C for 2 years