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Safety Information

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

Quality Level

200

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

438189-1L:
438189-4L:
438189-VAR:
438189-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV4376
MKCQ2519
MKBW8387V
MKBT7647V
MKBB8283V

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Wei Zhang et al.
Biomaterials, 32(11), 2894-2906 (2011-01-25)
The aim of this study was to exploit the possibility of combination of active targeting function of folic acid by folate receptor-mediated endocytosis and overcoming multidrug resistance (MDR) by Pluronic block copolymers to promote drug delivery to MDR tumor following
Pau Loke Show et al.
Bioresource technology, 116, 226-233 (2011-11-09)
An extractive fermentation technique was developed using a thermoseparating reagent to form a two-phase system for simultaneous cell cultivation and downstream processing of extracellular Burkholderia cepacia lipase. A 10% (w/w) solution of ethylene oxide-propylene oxide (EOPO) with a molecular mass
Anne Bee Hegge et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 47(1), 65-74 (2012-05-23)
Solubilization and stabilization from rapid degradation by the use of nanocarriers are necessary to exploit curcumin's phototoxic potential towards pathogenic bacteria. However, maintenance of the phototoxicity requires a careful selection of type and amount of nanocarrier. The phototoxicity of an
Juan Ramón Avendaño-Gómez et al.
Journal of colloid and interface science, 380(1), 75-82 (2012-06-02)
The aim of this works is to study an oil-in-water emulsion stabilized with a triblock copolymer Synperonic F127 which presents a double size distribution of oil droplets. The emulsions were studied experimentally by means of differential scanning calorimetry (DSC) and
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
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