Macrogols 400 (PEG 400) Ph.Eur 2.5LT Go Back

CASR

: 25322-68-3

Molecular Formula

: H(OCH2)nCH2OH

Molecular Weight

: 380-420
Specifications  
Appearance: Clear, viscous, colourless or almost colourless, hygroscopic liquid.
Solubility: Miscible with water, very soluble in acetone, in alcohol, and in methylene chloride, practically insoluble in fatty oils and in mineral oils.
Identification A (By Viscosity): To comply the test
Identification B (By Chemical test): An abundant, white, crystalline precipitate should form.
Identification C (By Chemical test): The liquid phase should become blue.
Appearance of solution: The solution should be clear and not more intensely colored than reference solution BY6
Acidity or Alkalinity: Passes test
Kinematic Viscosity: 94 - 116 mm2.s-1
Dynamic Viscosity: 105 - 130 mPa.s
Hydroxyl value: 264-300
Reducing substances: Passes test
Formaldehyde: 30ppm max
Ethylene glycol and Diethylene glycol: 0.4% max
Ethylene oxide: 1ppm max
Dioxan: 10ppm max
Water: 2.0% max
Sulphated ash: 0.2% max
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