Dibasic Sodium Phosphate BP
|Characters||It occurs as colorless, transparent crystals, very efflorescent.|
(a)Solution S is slightly alkaline.
(b) Water test.
(c) Solution S gives reaction of phosphates.
(d) Solution S gives reaction of sodium.
|Solubility||Freely soluble in water, practically insoluble in ethanol (96 per cent).|
|Appearance of Solution||Solution S is clear and colourless.|
|Reducing Substances||Specified test.|
|Monosodium Phosphate||Maximum 2.5%|
|Chlorides||Maximum 200 ppm|
|Sulfate||Maximum 500 ppm|
|Arsenic||Maximum 2 ppm|
|Iron||Maximum 20 ppm|
|Loss on drying||57.0 per cent to 61.0 per cent|
|Assay||Not less than 98.5% and not more than 102.5%.|
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
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We observe WHO Good manufacturing practice and Good laboratory practice.