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8.43912

Sigma-Aldrich

Polyethylene glycol diacid 600

for synthesis

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Synonym(s):
Polyethylene glycol diacid 600, Polyethylene glycol bis(carboxymethyl) ether
Linear Formula:
HOOCCH2(OCH2CH2)nOCH2COOH
CAS Number:
MDL number:

Quality Level

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

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This Item
4070388.074868.14171
vibrant-m

8.43912

Polyethylene glycol diacid 600

vibrant-m

8.07486

Polyethylene glycol

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

storage temp.

2-30°C

storage temp.

-

storage temp.

no temp limit

storage temp.

2-30°C

transition temp

flash point 300 °C

transition temp

-

transition temp

flash point 260 °C

transition temp

flash point 220 °C

density

1.185 g/cm3 at 20 °C

density

1.191 g/mL at 25 °C

density

1.13 g/cm3 at 20 °C

density

1.07 g/cm3 at 20 °C

potency

>2000 mg/kg LD50, oral (Rat)

potency

-

potency

28000 mg/kg LD50, oral (Rat), >20000 mg/kg LD50, skin (Rabbit)

potency

>2000 mg/kg LD50, oral (Rat)

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_germany

WGK 1

flash_point_f

572.0 °F - closed cup

flash_point_c

300 °C - closed cup


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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
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