Polyethylene Glycol 20000 - PEG20000
Polyethylene Glycol (PEG) 20000 is a polymer with an average molecular weight of approximately 20,000. Due to its high molecular weight, it exhibits different properties compared to lower molecular weight PEGs.Product Details |
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Formula: |
(C2H4O)n |
CAS Number: |
25322-68-3 |
Also Known As: |
Poly(ethylene glycol) 20000; PEG 20000 |
Structure: |
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applications:
Polyethylene Glycol (PEG) 20000 is used as thickening agent to increase the viscosity of formulations. It is also used as a lubricant due to its high molecular weight. In biotechnology is used in protein precipitation, purification, and crystallization. In industrial applications acts as a mold release agent and intermediate in chemical synthesis.Typical Specifications
Data is representative of average lots;
data taken from specific lots may vary.
Appearance |
White, waxy solid or flakes |
Boiling Point, °C |
>250 |
Density, g/cm3 |
1.27 |
Melting point, °C |
64-66 |
Molecular weight, g/mol |
16000-24000 |
Odor |
Slight characteristic odor |
Purity, % |
>99 |
Refractive index, n20/D |
1.469 |
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