CARBOWAX MPEGs for Industrial Applications

CARBOWAX™ Methoxypolyethylene Glycols (MPEGs) are a family of water-soluble linear polymers formed by the addition reaction of ethylene oxide. The generalized formula for methoxypolyethylene glycol is:

CH₃-(OCH₂CH₂)_n-OH

where "n" is the average number of repeating oxyethylene groups.

MPEG is designated by a number that represents its average molecular weight. For example, CARBOWAX MPEG 550 consists of a distribution of polymers of varying molecular weights with an average of 550, which corresponds to an approximate average number of repeating oxyethylene groups ("n") of 13. The letter "E" indicates Europe grade.

CARBOWAX Methoxypolyethylene Glycols are available in average molecular weights ranging from 350 to 5000.

This wide range of products provides flexibility in choosing properties to meet the requirements of many different applications.

CARBOWAX Methoxypolyethylene Glycols†
CARBOWAX MPEG	CTFA(a)/INCI(b) Nomenclature	Range of Average Molecular Weight	Appearance at 27°C	Available Physical Form
350, 350E	PEG-6 Methyl Ether	335 to 365	Clear Viscous Liquid	Liquid
2000	Methoxy PEG-40	1800 to 2200	Hard Opaque White Solid	Granular

^†Typical properties, not to be construed as specifications.
^(a)Cosmetics, Toiletries and Fragrances Association
^(b)International Nomenclature Cosmetic Ingredient

®™^* Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow