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8.18897 Sigma-Aldrich

Polyethylene glycol 20000

(stabilised) for synthesis

Synonym: PEG, Poly(ethylene glycol)

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Properties

Quality Level   200
vapor pressure   <0.01 hPa ( 20 °C)
autoignition temp.   >320 °C
potency   28000 mg/kg LD50, oral (Rat)
  >20000 mg/kg LD50, skin (Rabbit)
pH   5-7 (20 °C, 100 g/L in H2O)
mp   58-63 °C
transition temp   flash point 240 °C
solubility   500 g/L
density   1.2 g/cm3 at 20 °C
bulk density   400‑500 kg/m3
SMILES string   C(CO)O
InChI   1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChI key   LYCAIKOWRPUZTN-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

Melting range (lower value): ≥ 62 °C
Melting range (upper value): ≤ 66 °C
Hydroxyl value: 4 - 7
Average molecular mass: 16000 - 28000

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