酸式焦磷酸钠 SODIUM ACID PYROPHOSPHATE
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、性能：白色单斜晶系结晶细粉末或熔融体，有吸湿性，溶于水，不溶于乙醇。
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，每袋净重25kg.
八、贮存与运输：本品应密封贮存于干燥通风的仓库中，防止受潮、受热，与有害有毒物品分开存放，运输装卸时应轻装轻放，防止包装破损。
质量指标 | Specification | GB25567-2010 |
焦磷酸二氢二钠(Na2H2P2O7),w/% | Content(Na2H2P2O7) | 93.0~100.5 |
砷( As),mg/kg ≤ | Arsenic | 3 |
氟化物(以F计),mg/kg ≤ | Fluoride | 50 |
重金属(以Pb计),mg/kg ≤ | Heavy Metals (Pb) | 10 |
水不溶物,w/% ≤ | Water Insolubles | 1.0 |
铅(Pb),mg/kg ≤ | Lead | 2 |
pH(10g/L 溶液) | pH Value | 4.0±0.5 |
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 monoclinic system crystalline powder or fused mass. It has accessibility, easily soluble in water, insoluble in ethanol.
6、Usage: In food processing industry, it is used as buffering, swelling agent, chelating agent, stabilizers, emulsifier, and color improver.
7、Packing: It is packed with polyethylene bag as liner 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 moisture and hot. Furthermore, it should be stored separately from poisonous substances, unload with care as to avoid damage to packing.
