一、化学名：磷酸氢二铵
二、分子式：(NH4)2HPO4
三、分子量：132.06
四、CAS: 7783-28-0
五、性能：本品为无色无味结晶或白色结晶性粉末。熔点190℃。1g该品溶于1.7mL水、0.5mL沸水，不溶于乙醇、丙酮。其溶液pH值约8。露置空气中能失去氨而变成磷酸二氢铵。
六、用途：食品工业中用作食品膨松剂、面团调节剂、酵母食料、酿造的发酵助剂。还可用作缓冲剂。
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。
|
质量指标 |
Specification |
|
FCC VII |
|
含量（(NH4)2HPO4），w/% |
Content((NH4)2HPO4),w/% |
96.0-102.0 |
96.0-102.0 |
|
PH（10g/L水溶液，25℃） |
PH (10g/L，25℃) |
7.6-8.2 |
———— |
|
铅（Pb），mg/kg ≤ |
Lead(Pb), mg/kg ≤ |
4 |
4 |
|
氟（F），mg/kg ≤ |
Fluoride(F),mg/kg ≤ |
10 |
10 |
|
重金属（以Pb计)，mg/kg ≤ |
Heavy Metal(As Pb),mg/kg ≤ |
10 |
———— |
|
无机砷（以As计)，mg/kg ≤ |
Arsenic(As),mg/kg ≤ |
3 |
3 |
1、Chemical Name: Ammonium Hydrogen Phosphate
2、Molecular Formula: (NH4)2HPO4
3、Molecular Weight: 132.06
4、CAS: 7783-28-0
5、Character: It is colorless crystal white crystalline powder, tasteless. Melting point is 190 ℃. 1g Ammonium Hydrogen Phosphate could be dissolved in 1.7mL water 0.5mL boiling water. It’s insoluble in ethanol or acetone. PH value of its’ aqueous solution is 8. It’ll lose ammonia change to Ammonium Dihydrogen Phosphate in air.
6、Usage: In food industry, it is used as food leavening agent, dough regulator, yeast food, brewing fermentation agent buffering agent.
7、Packing: It is packed with polyethylene bag as inner layer, a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage & Transportation: It should be stored in a dry ventilative warehouse, kept away from heat moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
