一、化学名：磷酸镁
二、分子式：Mg3(PO4)?2·xH2O
三、分子量：无水物：262.87
四、CAS：7757-87-1
五、性状：白色结晶性粉末。可分为含有四、五或八个分子结合水的三种磷酸镁。易溶于稀无机酸，几乎不溶于水。
六、用途：在食品工业中作营养增补剂，稳定剂、PH调节剂、抗结剂；在其他工业中作沉淀剂使用，牙科研磨剂。
七、包装：内衬聚乙烯塑料袋，外套塑料编织袋，每袋25kg。
八、贮存与运输：本品应贮存在干燥通风清洁的库房中，装载运输时要轻装轻放，防止包装破损，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离。
| 质量指标 | Specification | FCC?VII |
| 含量（Mg3(PO4) 2?，灼烧干基计）， w/% | Content(Mg3(PO4) 2,Ignited basis),w/% | 96.0-101.5 |
| 砷（As），mg/kg????????????????????≤ | Arsenic(As),mg/kg????????????????≤ | 3 |
| 氟化物（F），mg/kg?? ???????????????≤ | Fluorides(F),mg/kg????????????????≤ | 25 |
| 铅（Pb），mg/kg????????????????????≤ | Lead(Pb),mg/kg??????????????????≤ | 2 |
| 灼烧失重（425℃），w/% | Loss on ignition (425℃),w/% | 30.0-37.0 (8H2O)
20.0-27.0 (5H2O) 15.0-23.0?(4H2O) |
1、Chemical Name:?Trimagnesium Phosphate
2、Molecular?Formula:?Mg3(PO4)?2·xH2O
3、Molecular Weight:?Anhydrous:262.87
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.