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Merck
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Key Documents

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50246

Sigma-Aldrich

Poli(etilenglicol)-bloque-poli(propilenglicol)-bloque-poli(etilenglicol))

Sinónimos:

Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), Lμtrol micro 127

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About This Item

Número de CAS:
9003-11-6
MDL number:
MFCD00082049
UNSPSC Code:
12161900
NACRES:
NA.25

mol wt

~9840-14600 g/mol

Quality Level

100

composition

oxyethylene content, 71.5-74.9%

impurities

≤0.25% ethylene glycol and diethylene glycol
≤0.4% total ash
≤0.75% water
≤1 ppm ethylene oxide
≤2 ppm arsenic
≤20 ppm heavy metals
50-125 ppm butylhydroxytoluene

ign. residue

≤0.30%

color

APHA: ≤120

particle size distribution

, coeff var ≤10% (residue, No. 140 USS)
, coeff var ≤50% (residue, No. 270 USS)

pH

5.0-7.5(1:10)
5.0-7.5(1:40)

suitability

complies for Infrared spectrum

InChI

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

InChI key

RVGRUAULSDPKGF-UHFFFAOYSA-N

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Categorías relacionadas

Application

The Poloxamer 407 grades are poloxamers from the extensive line of Pluronic® block copolymers. They are widely used as a thickening agent and gel binder.

Analysis Note

residual solvents (GLC-HS)
1,4-dioxane ≤5 ppm, ethylene glycol ≤620 ppm ( verified on random samples only)

Other Notes

average molecular weight/mass 9840-14600 g/mol; average molecular mass 10000-14600 g/mol

Legal Information

Pluronic is a registered trademark of BASF

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Céline Durand-Gasselin et al.
Langmuir : the ACS journal of surfaces and colloids, 27(20), 12329-12335 (2011-09-29)
Aggregation of thermosensitive polymer-coated gold nanoparticles was performed in aqueous solution in the presence of a triblock copolymer poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) (Pluronic P123, PEO(20)-PPO(68)-PEO(20)). The gold nanoparticles, AuNPs, which are covered by thermosensitive statistical copolymers poly(EO(x)-st-PO(y)), aggregate when the
Wei Xu et al.
Drug delivery, 19(4), 208-219 (2012-05-31)
The aim of this study was to construct novel targeting polymeric micelles. Folate-Poly (ethylenimine)-Pluronic copolymers were synthesized. A paclitaxel (PTX)-loaded mixed micelles consisting of Folate-Poly (ethylenimine)-Pluronic and Pluronic L121 copolymers have been developed. The mixed micelles showed nano-sized spherical morphology.
Irshad A Wani et al.
Colloids and surfaces. B, Biointerfaces, 101, 243-250 (2012-09-27)
Silver nanoparticles have been synthesized in the inverse microemulsions formed using three different surfactants viz., cetyl-trimethyl ammonium bromide (CTAB), Tergitol and Triton X-100. We have done a systematic study of the effect of the surfactants on the particle size and
Wendell J Lu et al.
Lipids, 47(6), 571-580 (2012-02-03)
Glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) are incretins produced in the intestine that play a central role in glucose metabolism and insulin secretion. Circulating concentrations of GLP-1 and GIP are low and can be difficult to assay in
Laurien Buitinga et al.
Clinical and experimental rheumatology, 29(5), 783-789 (2011-10-04)
The Time Trade-Off (TTO) is an instrument used for valuing health-related quality of life. This study evaluated the test-retest reliability of a computer TTO in rheumatoid arthritis (RA), and compared the computer with the interview TTO regarding feasibility and agreement.
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