Phosphoric acid BP

Test Specification….BP
Characters It occurs as a clear, colorless, syrupy liquid, corrosive





(a) Dilute with water R. The solution is strongly acid

(b) Solution S neutralised with dilute sodium hydroxide solution R gives positive reaction of phosphate.

Solubility Miscible with water and with ethanol (96%)
Relative density About 1.7
Appearance of Solution Solution S is clear and colorless
Substances precipitated with ammonia Specified Test.
Hypophosphorous acid and phosphorous acid Specified Test. The solution shows no change in appearance
Chlorides Not more than 50 ppm
Sulfates Not more than 100 ppm
Arsenic Not more than 2 ppm
Iron Not more than 50 ppm
Assay Not less than 84.0% and not more than 90.0%

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.


GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.

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