Molecular Formula: H3PO4
Molecular weight: 98.00
CAS Number: 7664-38-2
National Standard: GB1886.15-2015
Other Name: Orthophosphoric Acid
INS: 338
Labeling: Indicate the percent, or the percent range, of Phosphoric Acid (H3PO4).
Properties
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.
Application
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.
Package
Packed in 35 kgs , IBC net plastic drums.
During transportation or storage, the inner cover as well as the outer cover of the packing drums must be well sealed. It is classified as a hazardous product of the 2nd class of risk, and its hazardous chemicals code in China is 93002; It is easily frozen in winter season..
Loading:35 kgs -25.9 MT/20’FCL. IBC drum—25.6 MT/20’FCL
Specifications
No | Specifications | National Standard | Ronghong Standard |
1 | Colour ≤ | 20 | 20 Min |
2 | Assay (as H3PO4 )% ≥ | 75.0-86.0 | 85 Min |
3 | Sulphats(asSO4 )% ≤ | / | 0.008 |
4 | Iron (Fe)% ≤ | / | 0.001 |
5 | Arsenic (As)% ≤ | 0.00005 | 0.00005 Max |
6 | Heavy metals,as Pb% ≤ | 0.0005 | 0.0005 Max |
7 | Oxidable matter (asH3PO3)% ≤ | 0.012 | 0.01 Max |
8 | Fluoride,as F% ≤ | 0.001 | 0.001 Max |
9 | Lead % ≤ | / | 0.0008 |