Phosphoric acid IP 2LT Go Back


: 7664-38-2

Molecular Formula

: H3PO4

Molecular Weight

: 98
Description: A clear, colourless, syrupy liquid; corrosive, when kept at a low temperature it may solidify, producing a mass of a colourless crystals which do not melt until the temperature reaches 28°C
Solubility: Miscible with water and with ethanol(95%)
Identification A: The solution is strongly acidic.
Identification B (Phosphate 1): A yellow precipitate should form whose colour does not change by boiling and which dissolves on addition of ammonia
Identification B (Phosphate 2): A yellow color should develop
Identification B (Phosphate 3): A white crystalline precipitate is formed
Appearance of Solution: Clear and colourless solution.
Arsenic (As): NMT 2ppm
Heavy metals: NMT 10ppm
Iron (Fe): NMT 60ppm
Chloride (Cl): NMT 50ppm
Sulphate (SO4): NMT 100ppm
Alkali Phosphates: No turbidity should produced.
Aluminium and calcium: The solution remains clear.
Hypophosphorus acid and phosphorous acid: The appearance of the solution does not change.
Assay: 84.0%-90.0% w/w
COA Product Catalogues Product Search PARENTEX
COA Product Catalogues Product Search PARENTEX