78973
Poloxamer 188, micronized
Synonym(s):
Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), Lμtrol micro 68
About This Item
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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Other Notes
Legal Information
WGK
WGK 1
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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