SODIUM PHOSPHATE DIBASIC DODECAHYDRATE AR

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Description

sec-Sodium phosphate; Sodium phosphate dibasic; Disodium phosphat; Sodium hydrogen phosphate dodecahydrate

Article No. 5975B Grade AR
Purity 99% CAS No. 10039-32-4
Molecular Formula Na2HPO4.12H2O Molecular Weight 358.14
H.S. Code 2835.2990 Shelf Life 60 Months
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Physical Properties

Physical state at 20 °C Solid Colour Colorless crystals
Odour Odorless pH value 8.4 – 9.6 at 36 g/l at 25 °C
Melting point/ Freezing point [°C] 34°C Density [g/cm3] 1.5
Solubility in water [% weight] 35.8 g/l at 20 °C

Specifications

Appearance Colourless crystals
Assay (as Na2HPO4.12H2O) Min. 99.0%
pH (5% solution; 20°C) 9.1 – 9.4
Chloride (Cl) Max. 0.005%
Sulphate (SO4) Max. 0.005%
Total nitrogen (N) Max. 0.001%
Heavy metal (as Pb) Max. 0.0005%
Iron (Fe) Max. 0.0005%
Potassium (K) Max. 0.005%
Arsenic (As) Max. 0.00005%

Packings

500 g 00500
25 Kg 0025K
50 Kg 0050K

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