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Merck
CN

8.43912

Polyethylene glycol diacid 600

for synthesis

Synonym(s):

Polyethylene glycol diacid 600, Polyethylene glycol bis(carboxymethyl) ether

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About This Item

Linear Formula:
HOOCCH2(OCH2CH2)nOCH2COOH
CAS Number:
39927-08-7
UNSPSC Code:
12352106
NACRES:
NA.22
MDL number:
MFCD00132002

Key Documents

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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

form

liquid

potency

>2000 mg/kg LD50, oral (Rat)

pH

2.1 (100 g/L in H2O)

transition temp

flash point 300 °C

density

1.185 g/cm3 at 20 °C

storage temp.

2-30°C

Quality Level

200

Application

Polyethylene glycol diacid 600 can be used as an acylating agent as well as a solvent in the resolution of free secondary alcohols using a biocatalyst. It is also used as a hydrophilic ligand in the surface modification of lanthanide co-doped NaYF4 nanocrystals via ligand exchange reaction to impart the water solubility of the nanocrystals.

Analysis Note

Colour (visual): colourless
Appearance of substance (visual): liquid
Acid value: 160 - 195
Water (K. F.): ≤ 5.0 %
Refractive index (n 20°/D): 1.460 - 1.480
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

572.0 °F - closed cup

flash_point_c

300 °C - closed cup

Regulatory Information

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Shashank Mishra et al.
Dalton transactions (Cambridge, England : 2003), 41(5), 1490-1502 (2011-12-03)
First heterometal-organic single source precursors for NaYF(4) nanomaterials as a host matrix for up-conversion emission are reported. These novel heterobimetallic derivatives NaY(TFA)(4)(diglyme) (1), [Na(triglyme)(2)][Y(2)(TFA)(7)(THF)(2)] (2) and Na(2)Y(TFA)(5)(tetraglyme) (3) (TFA = trifluoroacetate), which were fully characterized by elemental analysis, FT-IR and
PEG600-Carboxylates as Efficient Reusable Reaction Media and Acylating Agents for the Resolution of sec-Alcohols
Monteiro CM, et al.
ChemPlusChem, 80(1), 42-46 (2015)

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