Potasium Phosphate, Dibasic, Anhydrous, Granular, U.S.P. / N.F.

CAS 7758-11-4

K2HPO4                                    F.W.174018

Assay (K2HPO4; Dried Basis)98.5-100.5%

pH of a 1 in 20 Solution……………...............…8.5-9.6

MAXIMUM LIMITS

Loss on Drying 105°C…….......…………..………1.0%

Insoluble Substances………….......……..………0.2%

Carbonate………………………..….........To pass test

Chloride………………………………………...…0.03%

Sulfate……………………………………..……….0.1%

Arsenic……………………………………...…….3 ppm

Iron…………………………………………….....0.003%

Sodium…………………………......………To pass test

Heavy Metals….……………………......………0.001%

Flouride………………………………...………..0.001%

Monobasic or Tribasic Salts….To pass Test

HYGROSCOPIC