1. Apperance: Transparent colorless or with light-colored sticky liquid, easily soluble in water and alcohol, moisture absorbable.
2 Molecular formula :H3PO4
3. Molecular weight:97.99
4. Specific gravity: Liquid(25°C)1.5~1.7depending upon phosphoric acid strength
5. Melting point: 42.3 °C
6. UN number : UN1805
7. Description of goods : Phosphoric acid
8. ADR/RID/Moclass : 8
9. Packing group:III
10.LATA Class
11.
Specification:
phosphoric acid 85%min food grade
No | Item | Unit | Specification |
1 | H3PO4 | % | 75min |
2 | Arsenic as As | % | 0.00005max |
3 | Fluoride as F | % | 0.001max |
4 | H3PO3 | % | 0.012max |
5 | Heavy metal as Pb | % | 0.0005 max |
Properties:
It is Colorless, transparent and syrupy liquid; It is odorless and tastes very sour; its melting point is 42.35 ; 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 has got hydroscopic.
Use: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.
Phosphoric Acid 75%,85% food grade