Description
8.07485 Sigma-Aldrich
Polyethylene glycol 400
for synthesis
Synonym: Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 400, Polyethylene glycol 400
-
CAS Number 25322-68-3
-
Linear Formula HO(C2H4O)nH
-
EC Index Number 500-038-2
Description
Application
Polyethylene glycol 400 for synthesis. CAS 25322-68-3, pH 5 - 7 (100 g/l, Hâ‚‚O, 20 °C).
Analysis Note
Density (d 20 °C/ 4 °C): 1.124 - 1.126
Hydroxyl value: 267 - 295
Average molecular mass: 380 - 420
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.
Properties
vapor pressure | <0.1 hPa ( 20 °C) |
autoignition temp. | 360 °C (DIN 51794) |
potency | 28000 mg/kg LD50, oral (Rat) |
>20000 mg/kg LD50, skin (Rabbit) | |
pH | 5-7 (20 °C, 100 g/L in H2O) |
kinematic viscosity | 97-110 cSt(20 °C) |
mp | 5 °C |
transition temp | flash point >200 °C |
density | 1.13 g/cm3 at 20 °C |
storage conditions | Store below +30°C. |