Kolliphor® P 188 micro

Poloxamer 188, micronized, Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), Lμtrol® micro 68
CAS Number:
MDL number:

Quality Level

mol wt

~7680-9510 g/mol


oxyethylene content, 79.9-83.7%


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


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


APHA: ≤100

particle size distribution

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


5.0-7.5 (2.5% in H2O)


complies for Infrared spectrum



InChI key


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Related Categories


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


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Jianan Shen et al.
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The metastasis of breast cancer is the leading cause of cancer death in women, and the lung is a common location of a secondary tumor that has metastasized from the primary source tumor. In this work, an attempt to simultaneously...
Irshad A Wani et al.
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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...
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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...
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...
Yanbin Guan et al.
Archives of pharmacal research, 34(10), 1719-1728 (2011-11-15)
The aim of the present study was to evaluate the effect of pluronic P123 (P123) and pluronic F127 (F127) on intestinal P-glycoprotein (P-gp) and cytochrome P450 3A using the specific substrates rhodamine-123 (R-123) and midazolam, respectively. Caco-2 cells and everted...

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