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Polyglycerol-3 is a clear yellowish viscous liquid with an average molecular weight of 250 g/mol. It is water soluble and is less hygroscopic than glycerol or diglycerol.
Identification
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INCI name
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Polyglycerin-3
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CAS Number
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25618-55-7
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Aspect
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Yellowish viscous liquid, having almost no odor
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Molecular weight
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approx. 250 g/mol
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Composition
Solvay Polyglycerol-3 is characterized by a very narrow oligomer distribution.
It contains minimum 85% diglycerol, triglycerol and tetraglycerol with only trace amounts of glycerol.
Chemical structure
Linear glycerol oligomers have the following structure:
where n averages 3
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