Synonyms:

N-Ethyl-N-(2-hydroxy-ethyl)-2-methyl-1,4-PPD-sulfate, monohydrate; Ethanol, 2-[(4-amino-3-methylphenyl)ethylamino]-, sulfate (1:1) (salt); N5-Ethyl-N5-(2'-hydroxyethyl)toluene-2,5-diammonium sulfate; 4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate; Color developing agent, CD-4. 

Uses:

Color developer for Kodacolor II film identical to Flexicolor or C-41 process. Color developer for use in color microautoradiography for color development of immunogold-labeled antibodies.