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SODIUM PHOSPHATE DIBASIC ANHYDROUS Extra Pure

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

COAs

Packings

500 g (00500)

5000 g (05000)

25 Kg (0025K)

50 Kg (0050K)

1PW1200500 1PW1206500 1PDL00030K 1PDLP0065K
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Article No. 05971 Grade Extra Pure
Purity 98% CAS No. 7558-79-4
Molecular Formula Na2HPO4 Molecular Weight 141.96
H.S. Code 2835.2990 Shelf Life 60 Months

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 98 - 100.5%
pH (5% solution in water) 8.7 - 9.3 Substance insoluble in water Max 0.2%
Chloride (Cl) Max 0.02% Sulphate (SO4) Max 0.05%
Heavy metal (as Pb) Max 0.001% Arsenic (As) Max 0.0002%
Copper (Cu) Max 0.0025% Iron (Fe) Max 0.002%
Loss on drying (at 130°C) Max 5.0%
Revision Date: 26-Sep-2018

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