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450596

Sigma-Aldrich

Poly(ethylene glycol) bis(2-ethylhexanoate)

average Mn ~650

Synonym(s):

PEG bis(2-ethylhexanoate)

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About This Item

Linear Formula:
CH3(CH2)3CH(C2H5)CO(OCH2CH2)nO2CCH(C2H5)(CH2)3CH3
CAS Number:
9004-93-7
MDL number:
MFCD00241430
UNSPSC Code:
12162002
PubChem Substance ID:
24868255
NACRES:
NA.23
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mol wt

average Mn ~650

Quality Level

200

refractive index

n20/D 1.453 (lit.)

viscosity

50 cP(25 °C)(lit.)

mp

−48 °C (lit.)

solubility

H2O: insoluble
hexane, toluene, ethanol, and acetone: soluble

density

1.02 g/mL at 25 °C (lit.)

SMILES string

OCCO.CCCCC(CC)C(O)=O

InChI

1S/C18H34O4/c1-5-9-11-15(7-3)17(19)21-13-14-22-18(20)16(8-4)12-10-6-2/h15-16H,5-14H2,1-4H3

InChI key

XCQFTFZCTGZCNP-UHFFFAOYSA-N

General description

Poly(ethylene glycol) bis(2-ethylhexanoate) (PEG-EH) is an ethylene acrylic elastomer that can be used as a low volatile plasticizer.[1]

Application

PEG-EH can form a blend with polyvinylidene fluoride (PVDF) which can be used in the preparation of electrolytes for lithium batteries.[2][3] It is also used as an additive for the development of ionization methods for mass spectroscopy.[4]

Features and Benefits

Low volatility and good heat resistance. Compatible with a variety of polymers including polyesters and polyamides.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW4715
MKCW4716
MKCW4704
MKCW7017
MKCT0290

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Research and development topics in Analytical Chemistry. Investigation of a cation exchange separation method for the determination of transition metal ions in anaerobic sealants
O'Dea P, et al.
Anal. Proc., 28(3), 82-84 (1991)
Jonathan P Williams et al.
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A rapid method for the characterisation of polyglycol esters and ethers is described which uses accurate mass desorption electrospray ionisation (DESI) quadrupole time-of-flight mass spectrometry (Q-ToFMS). The results are combined with newly developed software which aids the interpretation of product
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Novel microporous poly (vinylidene fluoride) blend electrolytes for lithium-ion batteries
Wang H, et al.
Journal of the Electrochemical Society, 147(8), 2853-2861 (2000)
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