OM SHREE GANESHYA NAMAH

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Product Name

 SODIUM PHOSPHATE MONOBASIC AR (DIHYDRATE)

Article No

 S0191300500

CAS No

 13472-35-0

Molecular Formula

 NaH2PO4.2H2O

Molecular Weight

 156.01

Specifications

Appearance:

 Colorless crystals or white crystalline powder

Chloride (Cl):

 Max 0.001%

Sulphate (SO4):

 Max 0.005%

Heavy metal (as Pb):

 Max 0.0005%

pH (1% solution in water):

 4.1-4.7

Arsenic (As):

 Max 0.0002%

Iron (Fe):

 Max 0.001%

Insoluble matter in water:

 Max 0.01%

Assay:

 99.0 - 100.5%

Substance reducing KMnO4 (as O):

 Passes test

Calcium (Ca):

 Max 0.002%

Magnesium (Mg):

 Max 0.001%

Appearance of solution:

 Passes test

Potassium (K):

 Max 0.005%

Aluminium, calcium and related elements:

 Passes test

Identity (acc. to pharmacopoeias):

 Passes test

Loss on drying (at 130°C):

 21.5 - 24.0%

pH (5% solution in water; 20°C):

 4.2-4.5

pH (5.7% solution in water):

 4.1-4.5