13-07699. Potassium Borotartrate [Archived]

Nomenclature

CAS number: 12001-68-2
Potassium tartratoborate; soluble cream of tartar; borated cream of tartar; potassium sodium borotartrate.

Description and 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.