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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

mol wt

average Mn ~650

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.

Application

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

Features and Benefits

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

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
A novel all-solid electrolyte based on a co-polymer of poly-(methoxy/hexadecal-poly (ethylene glycol) methacrylate) for lithium-ion cell
Zuo X, et al.
Journal of Materials Chemistry, 22(41), 22265-22271 (2012)
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)
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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