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Product Name

 POTASSIUM PHOSPHATE DIBASIC LR (ANHYDROUS)

Article No

 P0168200500

CAS No

 7758-11-4

Molecular Formula

 K2HPO4

Molecular Weight

 174.18

Specifications

Appearance:

 White hygroscopic crystalline powder

Chloride (Cl):

 Max 0.02%

Sulphate (SO4):

 Max 0.1%

Heavy metal (as Pb):

 Max 0.001%

Sodium (Na):

 Max 0.5%

Arsenic (As):

 Max 0.0002%

Iron (Fe):

 Max 0.001%

Insoluble matter in water:

 Max 0.2%

pH (10% solution in water):

 8.5 - 9.6

Appearance of solution:

 Passes test

Assay (acidimetric; on anhydrous basis):

 98 - 100.5%

Fluoride (F):

 Max 0.001%

Carbonate:

 Passes test

KMnO4 reducing matter (as O):

 Max 0.04%

Loss on drying (at 130°C):

 Max 1%

Potassium hydrogen phosphate (KH2PO4):

 Max 3.0%