Monosodium Phosphate

Monosodium Phosphate

Monosodium Phosphate also know as sodium dihydrogen phosphate appears as white crystalline powder . Monosodium phosphate has the CAS no. 7558-80-7 and its chemical formula is NaH2PO4.H2O . MSDS and other details are available upon request . We stock this material at our USA warehouse.

     SODIUM DIHYDROGEN PHOSPHATE – ACS
 
CAS No.                      : 10049-21-5                                     Grade                                   : ACS
Mol. Wt.                     : 137.99g/ mol                     Mol. Formula           :NaH2PO4.H2O
Appearance                               : White crystalline powder

Solubility (10% aq.sol)           : Passes test

PARAMETERS LIMITS
Assay 98.0-102.0%
pH (5% aq sol) 4.1-4.5
MAXIMUM LIMITS OF IMPURITIES
Insoluble matter: 0.01%
Calcium (Ca): 0.005%
Chloride (Cl) : 0.0005%
Sulphate (SO4) : 0.003%
Iron (Fe): 0.001%
Heavy metal (Pb): 0.001%
Potassium (K) : 0.01%

 

 

 

     Mono sodium phosphate – BP
 
CAS No.                      : 7558-80-7                               Grade                               : BP
Mol. Wt.                     : 119.98g / mol                     Mol. Formula                   : NaH2PO4
Appearance                                 : White, slightly deliquescent crystal or granules

Solubility                                      : Very soluble in water, very slightly soluble in ethanol

(96%)

Identification A                            : Complies

B                           : Complies

C                         : Complies

D                       : Complies

PARAMETERS LIMITS
Assay(ODB) 98.0-100.5%
MAXIMUM LIMITS OF IMPURITIES
Acidity pH 4.2-4.5
Clarity and colour of solution Clear & colourless
Reducing substance Passes
Chloride 0.02%
Sulphate 0.03%
Arsenic 0.0002%
Iron 0.001%
Loss on drying 1.0%

 

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     SODIUM DIHYDROGEN PHOSPHATE – FCC
 
CAS No.                      : 7558-89-7                           Grade                                   : FCC
Mol. Wt.                     : 119.98 g/ mol                    Mol. Formula           :NaH2PO4
Appearance                               : White crystalline powder or granules

Solubility                                         : Freely soluble in water, but insoluble in alcohol

Identification A. Phosphate     : Complies

B. Sodium            : Complies

PARAMETERS LIMITS
Assay(ODB) 98.0-103.0%
pH(1:100 aq sol) 4.1-4.7
MAXIMUM LIMITS OF IMPURITIES
Insoluble substances 0.2%
Arsenic 3 mg/kg
Fluoride 50 mg/kg
Lead 4 mg/kg
Loss on drying 2.0%

 

 

     SODIUM DIHYDROGEN PHOSPHATE – IP
 
CAS No.                      : 7558-89-7                           Grade                                   : IP
Mol. Wt.                     : 119.98 g/ mol                    Mol. Formula           :NaH2PO4
Appearance                               : Whit powder or colourless crystal.

Identification A. Phosphate       : Complies

B.Sodium             : Complies

PARAMETERS LIMITS
Assay(ODB) 98.0-103.0%
pH 4.1-4.5
MAXIMUM LIMITS OF IMPURITIES
Insoluble substances 0.2%
Chloride 140 ppm
Sulphate 0.15%
Aluminium, Calcium & related elements Complies
Arsenic 0.0008%
Heavy metals 20 ppm
Water 2.0%

 

 

     SODIUM DIHYDROGEN PHOSPHATE – LR
 
CAS No.                      : 10049-21-5                                     Grade                                   : LR
Mol. Wt.                     : 137.99g/ mol                     Mol. Formula           :NaH2PO4.H2O
Appearance                                       : White crystalline powder

Solubility (10% aq.sol)                     : Complies

PARAMETERS LIMITS
Assay Min 98%
MAXIMUM LIMITS OF IMPURITIES
Chloride (Cl) : 0.005%
Sulphate (SO4) : 0.01%
Iron(Fe): 0.001%
Heavy metal (Pb): 0.0005%

 

 

     SODIUM DIHYDROGEN PHOSPHATE – USP
 
CAS No.                      : 7558-89-7                           Grade                                   : USP
Mol. Wt.                     : 119.98 g/ mol                    Mol. Formula           :NaH2PO4
Appearance                               : Colourless crystals or White crystalline powder, is Odourless and is

slightly deliquescent.its solution are acid to litmus and effervesce

with sodium carbonate.

Solubility                                         : Freely soluble in water, practically insoluble in alcohol

Identification A. Sodium           : Complies

B. Phosphate       : Complies

PARAMETERS LIMITS
Assay(ODB) 98.0-103.0%
pH 4.1-4.5
MAXIMUM LIMITS OF IMPURITIES
Insoluble substances 0.2%
Chloride 0.014%
Sulphate 0.15%
Aluminium, Calcium & related elements Complies
Arsenic 0.0008%
Water determination 2.0%