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15759

Poly(éthylene glycol)-blocage-poly(propylène glycol)-blocage-poly(éthylene glycol)

Name: Poly(éthylene glycol)-<I>blocage</I>-poly(propylène glycol)-<I>blocage</I>-poly(éthylene glycol)
Brand: SIGMA

Synonyme(s) :

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

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A propos de cet article

Numéro CAS:

9003-11-6

UNSPSC Code:

12352104

NACRES:

NA.25

MDL number:

MFCD00082049

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Propriétés

form

solid

Quality Level

200

mol wt

~7680-9510 g/mol

composition

oxyethylene, 79.9-83.7%

impurities

≤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

ign. residue

≤0.30%

color

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

transition temp

cloud point >100 °C

HLB

>24

SMILES string

O2C(C2)C.O1CC1

InChI

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

InChI key

RVGRUAULSDPKGF-UHFFFAOYSA-N

Description

Application

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).

Biochem/physiol Actions

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

Other Notes

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

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Classe de stockage

11 - Combustible Solids

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WGK 1

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