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50246 Sigma-Aldrich

Kolliphor® P 407 micro

Synonym: Lμtrol® micro 127, Poloxamer 407, micronized, Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)

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Properties

Related Categories Biochemicals and Reagents, Excipients for R&D Use Only, Solubilizers & Emulsifiers More...
mol wt   ~9840-14600 g/mol
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

Description

Application

The Kolliphor P grades are poloxamers from the extensive line of Pluronic block copolymers. They are widely used as thinkening agent and gel binder.
This research grade product is intended for use in R&D and development only.

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

Kolliphor is a registered trademark of BASF

Lμtrol is a registered trademark of BASF SE

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
MD0911050

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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