3357. Disodium Phenyl Phosphate

Nomenclature

CAS number: 3279-54-7
Phosphoric acid monophenyl ester sodium salt (1:2).
C6H5Na2O4P; mol wt 218.05.
C 33.05%, H 2.31%, Na 21.09%, O 29.35%, P 14.20%.
Chemical structure

Properties

White, cryst powder. Freely sol in water, sparingly in alcohol; insol in acetone or ether.

Use

Reagent in the testing of milk for proper pasteurization and for the presence of unpasteurized milk.