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438189

Sigma-Aldrich

Poly(ethylene glycol-ran-propylene glycol) monobutyl ether

average Mn ~3,900

Synonym(s):

Butoxy polyoxyethylene oxypropylene glycol

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About This Item

Linear Formula:
CH3(CH2)3(OCH2CH2)x[OCH2CH(CH3)]yOH
CAS Number:
9038-95-3
MDL number:
MFCD00198079
UNSPSC Code:
12162002
PubChem Substance ID:
24867431
NACRES:
NA.23

form

viscous liquid

mol wt

average Mn ~3,900

refractive index

n20/D 1.46

viscosity

3,600 cSt(20 °C)(lit.)

bp

>200 °C (lit.)

transition temp

pour point −27 °C

solubility

H2O: soluble at <40 °C

density

1.056 g/mL at 25 °C

SMILES string

OCCO.CCCCO.CC(O)CO

InChI

1S/C4H10O.C3H8O2.C2H6O2/c1-2-3-4-5;1-3(5)2-4;3-1-2-4/h5H,2-4H2,1H3;3-5H,2H2,1H3;3-4H,1-2H2

InChI key

QMNOIORHZMRPLS-UHFFFAOYSA-N

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Application

Hydraulic fluids, metal working fluids and lubricants, heat transfer fluids, solder assist fluids, quenchants, lubricants, solvents, plasticizers and foam control agents.

Features and Benefits

Good lubricity under load, noncorrosive to metals. Very low ash content, low pour point, excellent thermal stability.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Hong Ding et al.
Nanoscale, 3(4), 1813-1822 (2011-03-03)
In this study QDs were encapsulated in carboxylated PluronicF127 (F127COOH) triblock polymeric micelles and conjugated with anti-mesothelin antibody for the purpose of alleviating potential toxicity, enhancing the stability and improving targeting efficiency of CdTe/ZnS quantum dots (QDs) in tumors. The
Na Li et al.
Journal of colloid and interface science, 350(1), 117-125 (2010-07-06)
Nanoparticles consisting of a cross-linked cationic polymer network were prepared using Pluronic F127 and poly(ethylenimine) (PEI) and suggested as a drug delivery system for the anticancer drug Paclitaxel (PTX). In order to further improve the targeting capability of nanoparticles, folic
Supramolecular assembly of cyclodextrin-based nanospheres for gene delivery.
Min-min Fan et al.
Journal of controlled release : official journal of the Controlled Release Society, 152 Suppl 1, e141-e142 (2011-12-27)
Diego A Chiappetta et al.
Nanomedicine (London, England), 8(2), 223-237 (2012-11-24)
To investigate the intranasal administration of poly(ethylene oxide)-poly(propylene oxide) polymeric micelles loaded with high payloads of the first-line antiretroviral drug efavirenz for targeting to the CNS. The effect of micellar size and composition and drug payload was assessed, employing simple
Jörg Fiedler et al.
International journal of molecular medicine, 27(1), 139-145 (2010-11-12)
We have previously reported that star shaped poly(ethylene oxide-stat-propylene oxide) macromers with 80% EO content and isocyanate functional groups at the distal ends [NCO-sP(EO-stat-PO)] can be used to generate coatings that are non-adhesive but easily functionalized for specific cell adhesion.
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