食品级焦磷酸二氢二钠

一、化学名：焦磷酸二氢二钠，酸式焦磷酸钠

二、分子式：Na2H2P2O7

三、分子量：221.94

四、CAS：7758-16-9

五、性状：白色结晶性粉末，相对密度1.862。易溶于水，水溶液呈碱性。不溶于乙醇。可与Fe2+, Mg2+形成螯合物。

六、用途：在食品工业中作缓冲剂、膨松剂、螯合剂、稳定剂、乳化剂、色泽改进剂。

七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，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。

1、Chemical Name: Sodium Acid Pyrophosphate

2、Molecular Formula: Na2H2P2O7

3、Molecular Weight: 221.94

4、CAS: 7758-16-9

5、Character: It is white crystalline powder. Relative density is 1.862. It’s soluble in water, insoluble in ethanol. Aqueous solution is alkaline. It reacts with Fe2+ and Mg2+ to form chelates.

6、Usage: In food  industry, it is used as buffering agent, swelling agent, chelating agent, stabilizer, emulsifier and color improver.

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.