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SODIUM DIHYDROGEN ORTHOPHOSPHATE ANHYDROUS AR

Dihydrogen sodium phosphate anhydrous; Sodium phosphate monobasic

COAs

Packings

500 g (00500)

1PW1200500
Print friendly version
Article No. 5859A Grade AR
Purity 99% CAS No. 7558-80-7
Molecular Formula NaH2PO4 Molecular Weight 119.98
H.S. Code 2835.2200 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White
Odour Odourless pH value 4.1 - 4.5 at 50 g/l at 25°C
Melting point/ Freezing point [°C] 212.0 Boiling point [°C] 399.0
Density [g/cm3] 2.04 Solubility in water Soluble

Specifications

Appearance White crystalline powder Assay (alkalimetric) 99.0-101.0%
pH (5% solution in water; 25°C) 4.1 to 4.7 Insoluble matter in water Max 0.05%
Nitrogen compounds (as N) Max 0.002% Chloride (Cl) Max 0.002%
Sulphate (SO4) Max 0.005% Arsenic (As) Max 0.0001%
Calcium (Ca) Max 0.01% Copper (Cu) Max 0.001%
Iron (Fe) Max 0.001% Magnesium (Mg) Max 0.01%
Nickel (Ni) Max 0.001% Lead (Pb) Max 0.002%
Revision Date: 06-Apr-2021

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