Title: Potassium Borotartrate
CAS Registry Number: 12001-68-2
Additional Names: Potassium tartratoborate; soluble cream of tartar; borated cream of tartar; potassium sodium borotartrate
Literature References: Made by evaporating a soln of 2 parts borax and 7 parts potassium bitartrate.
Properties: White, odorless powder. Freely sol in water.
Use: Has been used in photography as a retarder for alkaline developers.
Status: This monograph has been retired and is no longer subject to revision or update.