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Merck
CN

438189

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

Key Documents

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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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV4376
MKCQ2519
MKBW8387V
MKBT7647V
MKBB8283V

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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
Ram Malal et al.
Journal of tissue engineering and regenerative medicine, 5(5), 394-401 (2010-10-12)
The objective of this study was to engineer surfaces comprising covalently bound polyethylene oxide-polypropylene oxide-polyethylene oxide (PEO-PPO-PEO) chains, able to coil and uncoil in aqueous media, as a function of temperature. Thermoresponsive surfaces can be used in diverse areas, such
Bahareh Yahyaei et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 101, 343-348 (2012-11-06)
Ag nanoparticles have been synthesized via UV irradiation of ethanolic solution of AgNO3 in presence of pluronic F127 surfactant. This study is aimed at developing a rapid, simple and green method to prepare Ag nanoparticles and understanding its generation kinetics.
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
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