SODIUM PHOSPHATE DIBASIC ANHYDROUS AR

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Description

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

Article No. 05972 Grade AR
Purity 99% CAS No. 7558-79-4
Molecular Formula Na2HPO4 Molecular Weight 141.96
H.S. Code 2835.2990 Shelf Life 60 Months
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Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 8.9 – 9.2 at 50 g/l at 25 °C
Melting point/ Freezing point [°C] 240°C Decomposition point [°C] 240°C
Vapour density 4.9 Density [g/cm3] 1.52
Solubility in water [% weight] Soluble in water

Specifications

Appearance White crystalline powder
Assay (on anhydrous basis) Min 99%
pH (5% solution in water) 8.7 – 9.3
Insoluble matter Max 0.01%
Chloride (Cl) Max 0.002%
Nitrogen compounds (as N) Max 0.002%
Sulphate (SO4) Max 0.005%
Copper (Cu) Max 0.001%
Iron (Fe) Max 0.001%
Lead (Pb) Max 0.001%
Potassium (K) Max 0.01%
Loss on drying (at 130°C) Max 5.0%

Packings

500 g 00500
25 Kg 0025K
50 Kg 0050K

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