Pluronic® P-123 (Synperonic® P123), Sigma-Aldrich®

Supplier: Merck
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Synonyms: Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), Pluronic® P-123, Synperonic® P123

M-Clarity™ quality level = MQ100

435465-1L 435465-250ML
SIAL435465-1LEA 182 GBP
SIAL435465-1L SIAL435465-250ML
Pluronic® P-123 (Synperonic® P123), Sigma-Aldrich®
Pluronic® P-123 (Synperonic® P 123)

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® forms a cubic gel phase.

Storage Temperature: Ambient
CAS Number: 9003-11-6

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