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.