Synonyms: Orthophosphoric Acid
Chemical formula: H3PO4
Molecular weight: 98.0
Standard executed: GB/T2091-2003
CAS No.: 7664-38-2
H.S. Code: 28092010
Properties:
1. Appearance: colorless, transparent and syrupy liquid;
2. It mixes with water in all proportions, producing an amount of heat;
3. It loses water and converts to pyrophosphoric acid and metaphosphoric acid when being heated at high-temperature.
Technical Specifications:
1.Industrial grade:
(1)H3PO4: 85.0% min.
(2)Chloride, as Cl: 0.0005% max.
(3)Sulfate, as SO4: 0.005% max.
(4)Iron, as Fe: 0.002% max.
(5)Arsenic, as As: 0.005% max.
(6)Heavy metal, as Pb: 0.001% max.
(7)Whiteness: 30% max.
2.Food grade:
(1)H3PO4: 85.0% min.
(2)Chloride, as Cl: 0.0005% max.
(3)Sulfate, as SO4: 0.005% max.
(4)Iron, as Fe: 0.002% max.
(5)Arsenic, as As: 0.0001% max.
(6)Fluoride, as F: 0.001% max.
(7)Heavy metal, as Pb: 0.001% max.
(8)Whiteness: 30% max.