Product introduction
CAS No.: 7664-38-2
Formula: H3po4
EINECS: 231-633-2
Classification: Phosphoric Acid
Appearance: Viscous Liquid
Grade Standard: Agriculture, Industry, Food Additive
Specification
Food Grade Phosphoric acid
Specifications of Phosphoric Acid food grade | ||||
No. | Items of Analysis | Unit | National standard: GB3149-2004 | Analytical data |
1 | Color | Apha | ≤20 | 10 |
2 | H3PO4 | % | ≥85.0 | 85.1 |
3 | ArsenicAs | % | ≤0.00005 | 0.00002 |
4 | Heavy metalPb | % | ≤0.0005 | 0.0003 |
5 | Fluoride(F) | % | ≤0.0010 | 0.0001 |
6 | Oxide(H3PO3) | % | ≤0.0120 | 0.0030 |
Applications:
1.phosphoric acid is used for fertilizers
2.Food-grade phosphoric acid (additive E338) is used to acidify foods and beverages such as various colas and jams, providing a tangy or sour taste.
3.In anti-rust treatment by phosphate conversion coating or passivation
4.As an external standard for phosphorus-31 nuclear magnetic resonance.
5.In phosphoric acid fuel cells.
6.In activated carbon production.
7.In compound semiconductor processing, to etch Indium gallium arsenide selectively with respect to indium phosphide.
8.In microfabrication to etch silicon nitride selectively with respect to silicon dioxide.
9.As a pH adjuster in cosmetics and skin-care products.
10. As a sanitizing agent in the dairy, food, and brewing industries.
