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Sigma Aldrich Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)

Catalog No. 4354651L Shop All MilliporeSigma Sigma Organic Chemistry Products
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43-546-51L 1 L
43-546-5250ML 250 mL
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Description

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

PEG-PPG-PEG (Pluronic P123) symmetric triblock copolymer constitutes of poly(ethylene oxide)(PEO) and poly (propylene oxide) (PPO). The unique characteristic of PPO block exhibiting hydrophobicity at temperatures above 288K and solubility in water at temperatures below 288K lead to formation of micelle consisting of PEO-PPO-PEO triblock copolymers. Some studies report that the hydrophobic core contains PPO block and a hydrophilic corona is comprised of PEO block. In 30wt% aqueous solution Pluronic P123(R) forms a cubic gel phase.PEG-PPG-PEG is used in the preparation and coating of Fe-W-C(O) nanoparticles by sol gel technique. Also, employed as sacrificial templates to prepare ZnS nanospheres, nanoporous silica.Pluronic is a registered trademark of BASF

Specifications

Density 1.018 g/mL (at 25°C)
Refractive Index n20/D 1.465
MDL Number MFCD00082049
Quantity 1 L
Synonym Pluronic™ P-123; PEG-PPG-PEG
Molecular Weight (g/mol) 5800
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