Surfactants ethoxylated ethyl esters

Ethoxylated fatty esters, emulsifiers, detergents, and dispersants, 8 710t Ethoxylated nonionic surfactants, microemulsions based on, 16 428 Ethoxylated surfactants, 24 142, 148 Ethoxylates, 24 149-151 Ethoxylation, fatty amines, 2 523 2-Ethoxypyridine, 21 104 Ethoxyquin, 10 854 13 42t, 51 2-Ethyl-1-butanol... 

Uses Intermediate for prep, of fluorinated surfactants and surface treatments, e.g., ethoxylates, phosphates, esters, sulfates, urethanes Properties Waxy solid (amber liq. 90 C) sol. (10 g/10 ml) in 1,1,2-trichlorotriflu-oroethane, benzotrifluoride, dimethyl sulfoxide, 2-propanol, acetone, ethyl acetate dens. 1.71 g/cc (80 C) m.p. 55-65 C b.p. 115-120 C (1 mm) > 95% purity, 56.5% fluorine... 

A colorimetric method is based upon the extraction of potassium ion into an organic phase by ethoxylates in a system where the counter ion, also extracted, is the anionic dye tetrabromophenolphthalein, ethyl ester (111). Anionic surfactants are a serious interference. 

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