Poly(ethylene glycol)
Polyethylene Glycol (PEG) 400
Polyethylene glycol 400 (PEG-400, polyethylene glycol monostearate) is a polyether compound. Traditionally, it is derived from petroleum-based sources.
Empirical formula: H−(O−CH2−CH2)n−OH
CAS No:25322-68-3
PEG 400 must comply with the following quality parameters:
TECHNICAL REQUIREMENTS
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Mass fraction of impurities (%), NMT (including water) 0.5 water
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Hydroxyl index (mgKON/g), range 260–290
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Colority of an aqueous solution with a mass fraction of 25 Pt/Co % (Hazen), NMT 25
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Mass fraction of sulphate ash (%), NMT 0.1
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Mass fraction of mono and diethylene glycols (% by weight), NMT 0.25
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Mass fraction of free acetic acid (% by weight), NMT 0.024
GENERAL INSTRUCTIONS
PACKING: The product is filled into aluminum, steel or polymer drums, steel dedicated containers,
as well as into rail tank cars, equipped with the bottom discharge and heating.
TRANSPORTATION: By all types of transportation means.
STORAGE: In leak- and moisture-proof containers or vessels.
