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POLYETHYLENE GLYCOL 4000 For Synthesis
Also embedding media or histology.
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC2430 | For Synthesis | 25322-68-3 | HO(C2H4O)nH | 3500-4000 | 3404.2000 | 60 Months |
Packings
| 500 g,5000 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White |
| Melting point/ Freezing point [°C] | < -14.08 °C at 973.5 hPa |
| Auto-ignition temperature [°C] | 360 |
| Flash point [°C] | 138.6 °C |
| Initial boiling point [°C] | 205.7 °C at 977.6 hPa |
| Vapour pressure [20°C] | < 0.1 hPa |
| Solubility in water [% weight] | 256.084 g/l at 25 °C |
| Partition coefficient Log Pow octanol / water at 20°C | log Pow: -0.698 at 30 °C |
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% |
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