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78973

Sigma-Aldrich

Kolliphor® P 188 micro

Synonym(s):
Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), Lμtrol® micro 68, Poloxamer 188, micronized
CAS Number:
MDL number:
NACRES:
NA.25

form

powder

Quality Level

mol wt

~7680-9510 g/mol

composition

oxyethylene content, 79.9-83.7%

technique(s)

DNA extraction: suitable
DNA purification: suitable
NMR: suitable
RNA extraction: suitable
RNA purification: suitable

impurities

organic volatile impurities, complies (meets USP requirements)
≤0.4% total ash
≤0.75% water
≤1 ppm ethylene oxide
≤20 ppm heavy metals
≤5 ppm 1,4-dioxane
≤5 ppm propylene oxide
50-125 ppm butylhydroxytoluene

color

APHA: ≤100

particle size distribution

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

pH

5.0-7.5 (2.5% in H2O)

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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Application

Lμtrol micro F68 has been widely used as a thickening agent and gel binder.
This research grade product is intended for use in R&D and development only.

Other Notes

The Kolliphor P grades are poloxamers from the extensive line of Pluronic® block copolymers.
average molecular weight/mass 7680-9510 g/mol

Legal Information

Kolliphor is a registered trademark of BASF
Lμtrol is a registered trademark of BASF SE
Pluronic is a registered trademark of BASF

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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