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磷酸三鎂

一、化學名:磷酸鎂

二、分子式:Mg3(PO4) 2·xH2O

三、分子量:無水物:262.87

四、CAS:7757-87-1

五、性狀:白色結晶性粉末。可分為含有四、五或八個分子結合水的三種磷酸鎂。易溶于稀無機酸,幾乎不溶于水。

六、用途:在食品工業中作營養增補劑,穩定劑、PH調節劑、抗結劑;在其他工業中作沉淀劑使用,牙科研磨劑。

七、包裝:內襯聚乙烯塑料袋,外套塑料編織袋,每袋25kg。

八、貯存與運輸:本品應貯存在干燥通風清潔的庫房中,裝載運輸時要輕裝輕放,防止包裝破損,防止受潮、受熱,運輸過程中防止雨淋受潮,應與有毒物品隔離。

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質量指標SpecificationFCC VII
含量(Mg3(PO4) 2 ,灼燒干基計), 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
鉛(Pb),mg/kg                    ≤Lead(Pb),mg/kg                  ≤2
灼燒失重(425℃),w/%Loss on ignition (425℃),w/%30.0-37.0 (8H2O)


20.0-27.0 (5H2O)

15.0-23.0 (4H2O)

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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.