Phosphoric acid IP 1LT 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 (By Chemical test): Gives reaction of phosphates
Appearance of Solution: Solution A is clear and colourless.
Arsenic (As): 2ppm max
Heavy metals: 10ppm max
Iron (Fe): 60ppm max
Chloride (Cl): 50ppm max
Sulphate (SO4): 100ppm max
Alkali Phosphates: Passes test
Aluminium and calcium: Passes test
Hypophosphorus acid and phosphorous acid: Passes test
Assay: 84.0%-90.0% w/w
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