POTASSIUM PHOSPHATE DIBASIC ANHYDROUS Extra Pure

Confirms to BP, USP
Dipotassium hydrogenphosphate, Dipotassium phosphate

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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
MSDS
 

 

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)

Packings

  • 1PW1200500

    500 g (00500)

  • 1PDL00040K

    25 Kg (0025K)

  • 1PDLP0065K

    50 Kg (0050K)

 

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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