• phosphoric acid
  • phosphoric acid

Phosphoric Acid

  • Appearance: Colorless, transparent syrupy liquid or in very light color
  • Colour ≤: 30
  • Assay (as H3PO4 )% ≥: 85.0
  • Chloride(as Cl -) % ≤: 0.0005
  • Sulphats(asSO42- )%≤: 0.005
  • Iron (Fe)% ≤: 0.002

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■ Specifications
Product   Name :Phosphoric Acid
Molecular Formula: H3PO4
Molecular weight: 97.99
CAS Number:7664-38-2

it is in Colorless, transparent and syrupy liquid or rhombic crystalline; It is odorless and tastes very sour; its melting point is 42.35℃ and when heated to 300℃ it will become into meta phosphoric acid; its relative density is 1.834 g/cm3; it is easily soluble in water and resolves in ethanol; it may irritate human skin to cause phlogosis and destroy the issue of human body; it shows corrosiveness being heated in ceramic vessels; it has got hydroscopicity.
Technical grade phosphoric acid may be used to produce variety of phosphates, electrolyte treatment liquids or chemical treatment liquids, refractory mortar with phosphoric acid and inorganic coheretant. It is also used as a catalyst, drying agent and cleaner. In coating industry it is used as a rust-proof coating for metals; As a acidity regulator and nutrition agent for yeast food grade phosphoric acid may be applied to flavors, canned food and light drinks as well as used in wine brewery as a nutrients source for yeast to prevent the reproduction of useless bacteria. 
■ Full Data
Items Tech. Grade Food Grade
Appearance Colorless, transparent syrupy liquid or in very light color
Colour ≤ 30 20
Assay (as H3PO4 )% ≥ 85.0 85.0
Chloride(as Cl -) % ≤ 0.0005 0.0005
Sulphats(asSO42- )%≤ 0.005 0.003
Iron (Fe)% ≤ 0.002  
Arsenic (As)% ≤ 0.005 0.0001
Heavy metals(as Pb)%≤ 0.001 0.001
Oxidable matter (asH3PO4)% ≤   0.012
Fluoride (as F)%≤   0.001
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