Potassium Phosphate Dibasic

Potassium Phosphate Dibasic

 

     Potassium Phosphate Dibasic-ACS
 
CAS No.                      : 7758-11-4                          Grade                         : ACS
Mol. Wt.                     : 174.18 g / mol                   Mol. Formula           : K2HPO4
Appearance                                      : White hygroscopic powder

Solubility (10% aq.sol)                    : Passes test

PARAMETERS LIMITS
Assay min 98.0%
pH(5% aq. Solution) 8.5-9.6
MAXIMUM LIMITS OF IMPURITIES
Insoluble matter: 0.01%
Loss on drying: 1.0%
Nitrogen compound (as N): 0.001%
Chloride (Cl) : 0.003%
Sulphate (SO4) : 0.005%
Iron (Fe): 0.001%
Heavy metal (Pb): 0.0005%
Sodium (Na) : 0.05%

 

     Potassium Phosphate Dibasic – BP
 
CAS No.                      : 7758-11-4                          Grade                         : BP
Mol. Wt.                     : 174.18 g / mol                   Mol. Formula           : K2HPO4
Appearance                                      : White or almost white powder colourless crystals, very

hygroscopic

Solubility                                  : Very soluble in water, very slightly soluble in ethanol (96%)

Identification A                     :Complies

B                  :Complies

C                  :Complies

PARAMETERS LIMITS
Assay(ODB) 98.0-101.0%
MAXIMUM LIMITS OF IMPURITIES
Appearance of solution Complies
Reducing substance Complies
Mono potassium phosphate 2.5%
Chloride 0.02%
Sulphate 0.1%
Arsenic 0.0002%
Iron 0.001%
Sodium 0.1%
Loss on drying 2.0%
Bacterial endotoxins 1.1 IU/mg

 

     Potassium Phosphate Dibasic – FCC
 
CAS No.                      : 7758-11-4                          Grade                         : FCC
Mol. Wt.                     : 174.18 g / mol                    Mol. Formula         : K2HPO4
Appearance                                      : Colourless or White granular salt that is deliquescent when

exposed to moist air

Solubility                                               :1 gm is soluble in about 3 ml of water, it is insoluble in alcohol

Identification A. Phosphate             :Complies

B. Potassium        :Complies

PARAMETERS LIMITS
Assay(ODB) 98.0%
pH (1% sol) About 9
MAXIMUM LIMITS OF IMPURITIES
Fluoride 10 mg/kg
Lead 2 mg/kg
Arsenic 3 mg/kg
Pyrophosphate 2%
Insoluble substance 0.2%
Loss on drying 2.0%
Loss on drying 1.0%

 

     Potassium Phosphate Dibasic -LR
 
CAS No.                      : 7758-11-4                                       Grade                              : LR
Mol. Wt.                     : 174.18 g / mol                               Mol. Formula     : K2HPO4
Appearance                                      : White hygroscopic powder

Solubility (10% aq.sol)                   : Passes test

PARAMETERS LIMITS
Assay min 98%
pH(5% aq. Solution) 8.6-9.6
MAXIMUM LIMITS OF IMPURITIES
Chloride (Cl) : 0.01%
Sulphate (SO4) : 0.01%
Heavy metal (Pb): 0.005%
Iron (Fe): 0.005%

 

     Potassium Phosphate Dibasic – USP
 
CAS No.                      : 7758-11-4                          Grade                         : USP
Mol. Wt.                     : 174.18 g / mol                    Mol. Formula         : K2HPO4
Appearance                                      : Colourless or White somewhat hygroscopic, granular powder.

Solubility                                               :Freely soluble in water, very slightly soluble in alcohol

Identification A.Potassium            :Complies

B.Phosphte                      :Complies

PARAMETERS LIMITS
Assay(ODB) 98.0-100.5%
pH 8.5-9.6
MAXIMUM LIMITS OF IMPURITIES
Insoluble substances 0.2%
Carbonate Complies
Chloride 0.03%
Sulphate 0.1%
Arsenic 0.0003%
Iron 0.003%
Sodium Passes
Fluoride 0.001%
Monobasic or Tribasic salt Complies
Loss on drying 1.0%