一、化学名：磷酸镁
二、分子式：Mg3(PO4) 2·xH2O
三、分子量：无水：262.86
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：本品存放于干燥、通风、洁净库房；装卸运输轻拿轻放，避免包装破损；严防雨淋、受潮、受热，需与有毒化学品隔离存放运输。
| 质量指标 | Specification | FCC 14 |
| 含量（Mg3(PO4) 2 ，灼烧干基计）， w/% | Content (Mg3(PO4) 2 , Ignited basis) , w/% | 98.0-101.5 |
| 砷（As），mg/kg ≤ | Arsenic (As) , mg/kg ≤ | 3.0 |
| 氟化物（F），mg/kg ≤ | Fluorides (F) , mg/kg ≤ | 10.0 |
| 铅（Pb），mg/kg ≤ | Lead (Pb) , mg/kg ≤ | 2.0 |
| 加热失重（425℃），w/% | Loss on Heating (425℃) , w/% | 30.0-37.0 (8H2O)
20.0-27.0 (5H2O) 15.0-23.0 (4H2O) |
1、Chemical Name: Trimagnesium Phosphate ; Magnesium 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: It is used in the food industry as a nutrient supplement, stabilizer, pH regulator, anti-caking agent; Used in other industries as precipitating agents, dental abrasives.
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.