Polyethylene glycol (PEG)

Nomenclature of these products is different.

o

CAS * name: ploy ethylene (oxyethylene) glycol.

* Chemical abstracts Society

o

IUPAC*name: poly ethylene Glycol

* Internationa

l Union of Pure & Applied Chemistry

o

INCI * Name : PEG -4 , PEG-6 , PEG-8 ,

*International Nomenclature Cosmetic Ingredient

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CTFA name : PEG-4, PEG-6,PEG-8

* Cosmetics, Toiletry & Fragrance Association

o

The most important physical property:

Depend on molecular weight the wide range of the physical

property such as solubility , hygr

oscopic , vapour pressure , melting

or freezing point  and viscosity are variable :

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