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Sigma-Aldrich

Polyethylene glycol

3000, for synthesis

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Synonym(s):
Poly(ethylene glycol), Polyethylene glycol 3000, Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 3000, PEG
Linear Formula:
H(OCH2CH2)nOH
CAS Number:
MDL number:
EC Index Number:
500-038-2

vapor pressure

<0.1 hPa ( 20 °C)

Quality Level

form

liquid

autoignition temp.

420 °C

potency

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

pH

4-7 (20 °C, 100 g/L in H2O)

mp

55-58 °C

transition temp

flash point 270 °C

density

1.21 g/cm3 at 20 °C

bulk density

400‑500 kg/m3

Storage temp.

2-30°C

SMILES string

C(CO)O

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

Inchi Key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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Application

Polyethylene glycol 3000 can be used as:
  • A surface-modification agent in the synthesis of monodispersed magnetite colloidal magnetic nanoparticles.
  • A precipitating agent in the crystallization of oligoxyloglucan reducing-end specific cellobiohydrolase (OXG-RCBH) by the hanging-drop vapor diffusion method.
  • A solvent and phase-transfer catalyst (PTC) in the application of aqueous biphasic reactive extraction.
  • An additive in the preparation of polysulfone membrane to study the porometry.

Analysis Note

Hydroxyl value: 34 - 42
Melting range (lower value): ≥ 55 °C
Melting range (upper value): ≤ 59 °C
Average molecular mass: 2700 - 3300
Identity (IR): passes test

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

281.5 °F - closed cup

flash_point_c

138.6 °C - closed cup


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