食品级三偏磷酸钠

三偏磷酸钠 Sodium trimetaphosphate for food
一、化学名：三偏磷酸钠
二、分子式：Na3P3O9
三、分子量：305.89
四、CAS：7785-84-4
五、外观：白色结晶或结晶粉末，密度2.54g/cm3，溶于水。不溶于醇。
六、用途：食品工业中用作淀粉改性剂、果汁饮料防混剂、肉制品保水、黏合剂、分散剂、稳定剂，防止食品变色和维生素分解等。
七、包装：内衬聚乙烯塑料袋，外套塑料编织袋，每袋净重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
总磷酸盐（以P2O5计）,w/%          ≥ Content of General Phosphates (As P2O5) 68.0-70.0
水不溶物,w/%                    ≤ Water Insolubles 0.1
砷（As）,mg/kg                     ≤ Arsenic (as As) 3
重金属（以Pb计）,mg/kg            ≤ Heavy Metals (as Pb) 10
氯化物（以Cl计）,mg/kg             ≤ Chloride(asCl) 50
pH值 pH Value 6.0-9.0

1、Chemical Name: Sodium trimetaphosphate for food
2、Molecular Formula : Na3P3O9
3、Molecular Weight: 305.89
4、CAS：7785-84-4
5、Character: White crystal or crystalline powder, the density of 2.54 g/cm3, soluble in water. Insoluble in alcohol.
6、Usage: Used for starch modifier in the food industry, fruit juice beverage + water, meat, adhesive, dispersing agent, stabilizer, prevent food color and vitamin decomposition, etc
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.