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Key Documents

Outros documentos

15759

Sigma-Aldrich

Poli(etilenoglicol)-bloco-poli(propilenoglicol)-bloco-poli(etilenoglicol)

Sinônimo(s):

Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), Lutrol F68

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About This Item

Número CAS:
9003-11-6
Número MDL:
MFCD00082049
Código UNSPSC:
12352104
NACRES:
NA.25

forma

solid

Nível de qualidade

200

peso molecular

~7680-9510 g/mol

composição

oxyethylene, 79.9-83.7%

Impurezas

≤0.25% ethylene glycol and diethylene glycol
≤0.4% total ash
≤1 ppm ethylene oxide
≤1.0% water
≤2 ppm arsenic traces
≤20 ppm heavy metals
≤5 ppm dioxan
≤5 ppm propylene oxide
50-150 ppm butylhydroxytoluene

resíduo de ignição

≤0.30%

cor

APHA: ≤120, 50/50 in CH3OH

pH

5.0-7.5 (100 g/L in H2O)
6.0-7.5 (25 g/L in H2O)

CMC

0.48 mM

temperatura de transição

cloud point >100 °C

HLB

>24

InChI

1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2

chave InChI

RVGRUAULSDPKGF-UHFFFAOYSA-N

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Categorias relacionadas

Aplicação


  • Stabilizing Function of P 188 in Dermal Formulations: Examined for its stabilizing effects on industrial concentrates of dermal hesperidin smartCrystals, P 188 contributed to enhancing the long-term stability of the formulations, relevant for dermal therapeutic interventions (Romero et al., 2015).

Ações bioquímicas/fisiológicas

Poloxamer 188 is widely used as a thickening agent and gel binder.

Outras notas

The Poloxamer 188 grades are poloxamers from the extensive line of block copolymers.

Informações legais

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Certificados de análise (COA)

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A N Sklifas et al.
Biofizika, 57(2), 317-324 (2012-05-19)
The adsorption abilities of the perfluorocarbon emulsion stabilized by Proxanol 268 were investigated in vitro and in vivo. In vitro, the saturation point for the blood plasma proteins was nearly reached after five minutes of incubation of the emulsion with
Xijun Zhang et al.
Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban, 31(6), 842-845 (2011-12-17)
This study examined the effect of P85 (a pluronic block copolymer) and microbubble (MB) ultrasound contrast agents under ultrasound irradiation on gene transfection and expression. The pEGFP plasmids that can encode enhanced green fluorescent protein (pEGFP) served as a report
Houjian Gong et al.
Langmuir : the ACS journal of surfaces and colloids, 28(38), 13590-13600 (2012-09-08)
The block polyethers PEO-PPO-ph-PPO-PEO (BPE) and PPO-PEO-ph-PEO-PPO (BEP) are synthesized by anionic polymerization using bisphenol A as initiator. Compared with Pluronic P123, the aggregation behaviors of BPE and BEP at an air/water interface are investigated by the surface tension and
Neeta Jain-Gupta et al.
FEMS immunology and medical microbiology, 66(3), 436-444 (2012-11-21)
Brucellosis is the most common zoonotic disease worldwide, and there is no vaccine for human use. Brucella melitensis Rev1, a live attenuated strain, is the commercial vaccine for small ruminants to prevent B. melitensis infections but has been associated with abortions
Wanhua Feng et al.
Colloids and surfaces. B, Biointerfaces, 105, 43-50 (2013-01-29)
The interaction between bacteria and surfaces is central to many environmental, industrial and medical applications. Surfactants are commonly used in these applications and can potentially influence the bacterium/surface interaction. The effect of surfactants upon bacterial cell surface thermodynamic properties was
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