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Merck
CN

Specification Sheet

Product Name
Poly(ethylene glycol) average Mn 20,000

Product Number
81300

Product Brand
aldrich

CAS Number
25322-68-3

Molecular Weight

Test

Specification

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Powder or Crystals or Flakes
Molecular Number Mn (GPC-Analysis)Report Result
Molecular Weight Mp (GPC-Analysis)Report Result
Molecular Weight Mw (GPC-Analysis)Report Result
Molecular Weight Mz (GPC-Analysis)Report Result
Polydispersity Index (PDI) (GPC-Analysis)Report Result
MELTING POINT63 - 66 C
SOLUBILITY (COLOR)Colorless
SOLUBILITY (TURBIDITY)Clear
SOLUBILITY (METHOD)1G IN 10ML WATER, HOT
WATER≤ 1.0 %
SULFATED ASH≤ 0.2 %
INFRARED SPECTRUMCONFORMS TO STRUCTURE
VISCOSITY (ROTATION)2700 - 3500 mPas
VISCOSITY (CONDITIONS)50 % IN H2O, 20 C
HYDROXYL VALUE4.5 - 7.0 mg KOH/g
RemarkMOLECULAR MASS (CALCULATED FROM HYDROXYL VALUE): ~16000 - 24000