1、Chemical Name: Trimagnesium Phosphate
2、Molecular Formula: Mg3(PO4) 2·XH2O
3、Molecular Weight: Anhydrous: 262.86
4、CAS: 7757-87-1
5、Character: It occurs as white, crystalline powder. It may contain four, five or eight hydrates. It’s readily soluble in dilute mineral acids, but almost insoluble in water.
6、Usage: Nutrient
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| Name of Index | FCCVII | Index | |
| Content(On the base of dry basis) % | 98.0-101.5 | 98.7 | |
| As ≤% | 0.0003 | <0.0003 | |
| Heavy Metals(As Pb) ≤% | 0.0015 | <0.0015 | |
| Fluorides ≤% | 0.001 | <0.001 | |
| Pb ≤% | 0.0002 | <0.0002 | |
| Loss on Ignition % | Pentahydrate | 20.0-27.0 | 23.7 |
| Octahydrate | 30.0-37.0 | 35.3 | |
| Tetrahydrate | 15-23 | 20.5 | |