POLYETHYLENE GLYCOL 4000
POLYETHYLENE GLYCOL 4000 For Synthesis
Also embedding media or histology.
Short Name: POLYETHYLENE GLYCOL 4000
Synonym: PEG 4000
Basic Details
Article No.
LG3613
Grade
For Synthesis
Purity
CAS No.
25322-68-3
HS Code
3907.2090
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Liquid
Colour
Clear colorless
pH value
6 - 7 at 10 g/l at 23 °C
Melting point/ Freezing point [°C]
-18 °C
Auto-ignition temperature [°C]
305 °C
Flash point [°C]
220 °C
Boiling point [°C]
> 300 °C
Vapour pressure [20°C]
Density [g/cm3]
1.125
Solubility in water [% weight]
Soluble in water
Viscosity at 40°C [mm2/s]
75 - 95 mm2/s at 20 °C
Chemical Specifications
Appearance
White to creamy white, wax-like solid or flakes
pH (5 % solution)
4.5 - 7.5
Freezing point
53 - 58 deg C
Colour of solution (20% in water)
Passes test
Arsenic (As)
Max 0.0003%
Heavy metal (as Pb)
Max 0.0005%
Sulphated ash
Max 0.1%
Safety Information & Hazard Symbols