DI POTASSIUM HYDROGEN PHOSPHATE – ACS
   
CAS NO :7758-11-4                        FORMULA       : K2HPO4
GRADE     : ACS FORMULA WT   : 174.18
   
TEST SPECIFICATION
Description White hygroscopic powder
Test Solution (10% aq.sol)      Passes test
Identification Complies
Assay : 98.00%
pH 8.5 – 9.6
Insouble matter: Max 0.01%
Loss on drying: Max 1%
Nitrogen compound (as N): Max 0.001%
Chloride (Cl) : Max 0.003%
Sulphate (SO4) : Max 0.005%
Iron (Fe): Max 0.001%
Heavy metal (Pb): Max 0.0005%
Sodium (Na) : Max 0.05%

 

DI POTASSIUM HYDROGEN PHOSPHATE – LR
   
CAS NO :7758-11-4                        FORMULA       : K2HPO4
GRADE     : LR FORMULA WT   : 174.18
   
TEST SPECIFICATION
Description White hygroscopic powder
Test Solution (10% aq.sol)      Passes test
Identification Complies
Assay : 98%
pH 8.6 – 9.6
Chloride (Cl) : Max 0.01%
Sulphate (SO4) : Max 0.01%
Heavy metal (Pb): Max 0.005%
Iron (Fe): Max 0.005%

 

DI POTASSIUM HYDROGEN PHOSPHATE – BP
   
CAS NO :7758-11-4                        FORMULA       : K2HPO4
GRADE     : BP FORMULA WT   : 174.18
   
TEST SPECIFICATION
Description White or almost white powder colourless crystals, very hygroscopic
Solubilty very soluble in water, very slightly soluble in ethanol (96%)
Identification Complies
Assay :(ODB) 98.0 -101.0 %
Appearance of solution Passes
Reducing substance Passes
Mono potassium phosphate Max 2.5%
Chloride Max 0.02%
Sulphate Max 0.1%
Arsenic Max 0.0002%
Iron Max 0.001%
Heavy metals Max 0.001%
Sodium Max 0.1%
Loss on drying Max 2%
Bacterial endotoxins Max 1.1 IU/mg

 

DI POTASSIUM HYDROGEN PHOSPHATE – USP
   
CAS NO :7758-11-4                        FORMULA       : K2HPO4
GRADE     : USP FORMULA WT   : 174.18
   
TEST SPECIFICATION
Description Colourless or White somewhat hygroscopic, granular powder.
Solubilty Freely soluble in water, very slightly soluble in alcohol
Identification Complies
Assay :(ODB) 98.0 -100.5 %
pH 8.5 – 9.6
Insoluble substances Max 0.2%
Carbonate Passes
Chloride Max 0.03%
Sulphate Max 0.1%
Arsenic Max 0.0003%
Iron Max 0.003%
Sodium Passes
Heavy metals Max 0.001%
Fluoride Max 0.001%
Monobasic or Tribasic salt Passes
Loss on drying Max 1%