Skip to Content
Merck
All Photos(1)

Key Documents

50246

Sigma-Aldrich

Poloxamer 407, micronized

Synonym(s):

Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), Lμtrol micro 127

Sign Into View Organizational & Contract Pricing


About This Item

CAS Number:
MDL number:
UNSPSC Code:
12161900
NACRES:
NA.25

mol wt

~9840-14600 g/mol

Quality Level

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

SMILES string

O2C(C2)C.O1CC1

InChI

1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2

InChI key

RVGRUAULSDPKGF-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

The Poloxamer 407 grades are poloxamers from the extensive line of Pluronic® block copolymers. They are widely used as a thickening agent and gel binder.

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

Pluronic is a registered trademark of BASF

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service