Monopotassium Phosphate

Monopotassium Phosphate

Monopotassium Phosphate / Potassium Dihydrigen Phosphate

     POTASSIUM DIHYDROGEN PHOSPHATE – ACS
 
CAS No.                      : 7778-77-0                                     Grade                      : ACS
Mol. Wt.                     : 136.09 g / mol                   Mol. Formula         : KH2PO4
Appearance                                      : White Crystalline powder

Solubility (10% aq.sol)                    : Passes test

PARAMETERS LIMITS
Assay min 99.0%
pH(5% aq. Solution) 4.1-4.5
MAXIMUM LIMITS OF IMPURITIES
Insoluble matter: 0.01%
Loss on drying: 0.2%
Chloride (Cl) : 0.001%
Sulphate (SO4) : 0.003%
Iron (Fe): 0.002%
Heavy metal (Pb): 0.001%
Sodium (Na) : 0.005%

 

     POTASSIUM DIHYDROGEN PHOSPHATE – AR
 
CAS No.                      : 7778-77-0                                       Grade                                : AR
Mol. Wt.                     : 136.09 g / mol                   Mol. Formula         : KH2PO4
Appearance                                      : White Crystalline powder

Solubility (10% aq.sol)                  : Passes test

PARAMETERS LIMITS
Assay 99.5 -100.5%
pH(5% aq. Solution) 4.3-4.4
MAXIMUM LIMITS OF IMPURITIES
Insoluble matter: 0.01%
Loss on drying: 0.05%
Chloride (Cl) : 0.0005%
Sulphate (SO4) : 0.005%
Iron (Fe): 0.002%
Lead (Pb): 0.0005%
Sodium (Na) : 0.05%
Nitrate (NO3): 0.001%
Ammonium (NH4): 0.0025%
Calcium group & Magnesium (Ca & Mg): 0.013%

 

     Mono potassium phosphate – BP
 
CAS No.                      : 7758-11-4                               Grade                               : BP
Mol. Wt.                     : 136.1g / mol                          Mol. Formula                  : KH2PO4
Appearance                          : White or almost white crystalline powder colourless

crystals,

Solubility                                   :Freely soluble in water, practically insoluble in ethanol(96%)

Identification A                       :Complies

B                  :Complies

C                          : Complies

PARAMETERS LIMITS
Assay(ODB) min 98.0-100.5%
pH 4.2-4.5
MAXIMUM LIMITS OF IMPURITIES
Appearance of solution Complies
Reducing substance Complies
Chloride 0.02%
Sulphate 0.03%
Arsenic 0.0002%
Iron 0.001%
Sodium 0.1%
Loss on drying 2.0%

 

     POTASSIUM DIHYDROGEN PHOSPHATE – FCC
 
CAS No.                      : 7778-77-0                                     Grade                                     : FCC
Mol. Wt.                     : 136.09 g / mol                   Mol. Formula           : KH2PO4
Appearance                             : Colourless crystals or white,granular or crystalline

powder.

Solubility                                      : Freely soluble in water, practically insoluble in alcohol

Identification A. Phosphate       : Complies

B. Potassium       : Complies

PARAMETERS LIMITS
Assay(ODB) min 98.0%
pH (1:100 aq sol) 4.2-4.7
MAXIMUM LIMITS OF IMPURITIES
Insoluble substances 0.2%
Fluoride 10 mg/kg
Arsenic 3 mg/kg
Lead 2 mg/kg
Loss on drying 1.0%

 

     POTASSIUM DIHYDROGEN PHOSPHATE – LR
 
CAS No.                      : 7778-77-0                                                  Grade                              : LR
Mol. Wt.                     : 136.09 g / mol                               Mol. Formula     : KH2PO4
Appearance                                      : White Crystalline powder

Solubility (10% aq.sol)                    : Passes test

PARAMETERS LIMITS
Assay min 98%
MAXIMUM LIMITS OF IMPURITIES
Chloride (Cl) : 0.005%
Sulphate (SO4) : 0.01%
Iron (Fe): 0.002%
Heavy metal (Pb): 0.001%

 

 

     POTASSIUM DIHYDROGEN PHOSPHATE – USP
 
CAS No.                      : 7778-77-0                                     Grade                                     : USP
Mol. Wt.                     : 136.09 g / mol                   Mol. Formula           : KH2PO4
Appearance                             : Colourless crystals or white,granular or crystalline

powder. Is odorless, and is stable in air.

Solubility                                      : Freely soluble in water, practically insoluble in alcohol

Identification A.Potassium       :Complies

B.Phosphate                  :Complies

PARAMETERS LIMITS
Assay(ODB) min 98.0-100.5%
MAXIMUM LIMITS OF IMPURITIES
Insoluble substances 0.2%
Heavy metals 3µg/g
Fluoride 10 µg/g
Arsenic 3µg/g
Lead 5 µg/g
Loss on drying 1.0%