Commodity Name:  Phosphoric acid                   

CAS Number: 7664-38-2  
Molecular Formula: H₃PO₄
Molecular Weight: 97.99506      
Properties: Colorless transparent thick fluid, Relative density 1.834(18°C), melting point 42.35Deg. Dissolve in water and ethanol (CH3CH2OH) easily.

Specification
Phosphoric Acid(H₃PO₄):85%min  
Chloride(Cl): 0.0005%max            

Sulfate(SO₄ ): 0.005%

Heavy Metals(Pb) : 0001%max

Arsenic(As) : 0.0001%max

Matters Easy to be Oxidized(as H₃PO₄):0.012%max  

Fe: 0.002%max

Uses
Acidity agent for acidic drinking liquid, acidity is 7-8 times than that for citric acid, for making many kinds of food grade phosphate, such as Tribasic sodium phosphate, Tribasic potassium phosphate, Triammonium phosphate, Calcium phosphate, Sodium aluminium phosphate, magnesium phosphate etc.