厂家直销食品级六偏磷酸钠

一、化学名：焦磷酸钠
二、分子式：Na₄P₂O₇    Na₄P₂O₇ ·10H₂O
三、分子量：无水物265.90     十水合物446.10
四、CAS：7722-88-5    13472-36-1
五、性能：无色透明结晶或白色结晶粉末。相对密度2.534，熔点880℃,易溶于水，不溶于醇。在干燥空气中风化，在100℃失去结晶水。在空气中易吸收水分而潮解。
六、用途：在食品工业中作为食品品质改良剂，PH调节剂，金属离子螯合剂，乳化分散剂，粘合剂等。用于肉类及水产加工，可提高持水性，使肉质鲜嫩，稳定天然色素，防止脂肪腐败，另外，也用于酵粉，乳酪制造等
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：应贮在干燥、通风清洁的库房中，轻装轻放，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离堆放。
 

质量指标	Specification		GB 25557-2010	FCC V
十水合焦磷酸钠    ≥ w/%	Content（Na4P2O7·10H2O）		98.0	----
无水焦磷酸钠         w/%	Content（Na4P2O7）		96.5~100.5	95.0~100.5
水不溶物           ≤w/%	Water Insolubles		0.2	0.2
pH值（10g/L）	PH Value		9.9~10.7	----
正磷酸盐	Orthophosphate		Passed	----
砷（以As计）     ≤mg/kg	Arsenic (As As)		3	3
重金属（以Pb计） ≤mg/kg	Heavy Metal (As Pb)		10	----
铅               ≤mg/kg	Lead (as Pb)		4	4
氟化物（以F计）  ≤mg/kg	Fluoride (As F)		50	50
灼烧失重            w/%	Loss on Drying	Na4P2O7·10H2O, w/%	38.0~42.0	38.0~42.0
		Na4P2O , w/% ≤	0.5	0.5

 
1、Chemical Name: SODIUM PYROPHOSPHATE
2、Molecular Formula : Na₄P₂O₇
3、Molecular Weight:265.90
4、CAS: 7722-88-5       13472-36-1
5、Character: It’s colorless transparent crystal or white crystalline powder. The relative density is 2.534 and melting point is 880℃. It’s easily soluble in water and insoluble in ethanol. It will weather in dry air and lose crystal water in 100℃. It easily absorbs water to deliquesce in air.
6、Usage: It is used as quality improver, regulator of PH value, chelating agent, emulsifier and binder in food industry. It also can be used in the processing of baking powder and cheese.
7、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilate warehouse, kept away from water and moisture during transport, unload with care as to avoid being damaged. Furthermore, it must be stored separately from poisonous substances.