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15759 Sigma-Aldrich

Kolliphor® P 188

Synonym: Lutrol® F68, Poloxamer 188, 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...
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   17.9 mM
transition temp   cloud point >100  °C
HLB   >24

Description

Application

Kolliphor P 188 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.

Legal Information

Kolliphor is a registered trademark of BASF

Lutrol 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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Setting the Standard for Solid Formulation
Protocols & Articles
Peer-Reviewed Papers
15

References

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