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406996

Sigma-Aldrich

Poly(ethylene glycol) bis(carboxymethyl) ether

average MN 250, cross-linking reagent amine reactive, carboxylic acid

Synonym(s):

Polyethylene glycol, Polyethylene glycol 250 diacid, Polyglycol 250 diacid

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About This Item

Linear Formula:
HOOCCH2(OCH2CH2)nOCH2COOH
CAS Number:
39927-08-7
MDL number:
MFCD00132002
UNSPSC Code:
12162002
PubChem Substance ID:
24865415
NACRES:
NA.23

Product Name

Poly(ethylene glycol) bis(carboxymethyl) ether, average Mn 250

form

viscous liquid

Quality Level

100

mol wt

average Mn 250

reaction suitability

reagent type: cross-linking reagent
reactivity: amine reactive

refractive index

n20/D 1.454

density

1.302 g/mL at 25 °C

Ω-end

carboxylic acid

α-end

carboxylic acid

polymer architecture

shape: linear
functionality: homobifunctional

SMILES string

OCCO.OCC(O)=O

InChI

1S/C2H4O3.C2H6O2/c3-1-2(4)5;3-1-2-4/h3H,1H2,(H,4,5);3-4H,1-2H2

InChI key

SZUIEBOFAKRNDS-UHFFFAOYSA-N

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General description

Poly(ethylene glycol) bis(carboxymethyl) ether has bifunctional carboxylic acid end groups.

Application

Poly(ethylene glycol) bis(carboxymethyl) ether may used as a plasticizer.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

572.0 °F - closed cup

Flash Point(C)

300 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH2234
BCCF8909
BCCD9899
BCCD6018
BCCD0598

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Life test of DMFC using poly (ethylene glycol) bis (carboxymethyl) ether plasticized PVA/PAMPS proton-conducting semi-IPNs
Qiao J, et al.
Electrochemical Communications, 9(8), 1945-1950 (2007)

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