SODIUM DIHYDROGEN ORTHOPHOSPHATE ANHYDROUS AR

Dihydrogen sodium phosphate anhydrous; Sodium phosphate monobasic

COAs

Packings

500 g (00500)

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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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