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POTASSIUM PHOSPHATE DIBASIC ANHYDROUS Extra Pure

Confirms to BP, USP
Dipotassium hydrogenphosphate, Dipotassium phosphate

COAs

Packings

500 g (00500)

25 Kg (0025K)

50 Kg (0050K)

1PW1200500 1PDL00040K 1PDLP0065K
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Article No. 05429 Grade Extra Pure
Purity 98% CAS No. 7758-11-4
Molecular Formula K2HPO4 Molecular Weight 174.18
H.S. Code 2835.2400 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 8.8
Melting point/ Freezing point [°C] >465°C Decomposition point [°C] >465°C
Density [g/cm3] 2.338 Solubility in water [% weight] 1600 g/l (20°C)

Specifications

Appearance White hygroscopic crystalline powder Assay (acidimetric; on dried basis) 98 - 100.5%
pH (10% solution in water) 8.5 - 9.6 Appearance of solution Passes test
Insoluble matter in water Max 0.2% Carbonate Passes test
Chloride (Cl) Max 0.02% Fluoride (F) Max 0.001%
Sulphate (SO4) Max 0.1% Heavy metal (as Pb) Max 0.001%
Iron (Fe) Max 0.001% Arsenic (As) Max 0.0002%
Sodium (Na) Max 0.5% Potassium hydrogen phosphate (KH2PO4) Max 3.0%
KMnO4 reducing matter (as O) Max 0.04% Loss on drying (at 130°C) Max 1%

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
Revision Date: 20-Sep-2013

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