磷酸二氫銨 AMMONIUM Dihydrogen Phosphate
一、化學名： 磷酸二氫銨
二、分子式： NH4H2PO4
三、分子量： 115.03
四、CAS: 7722-76-1
五、性能：本品為無味無色結(jié)晶或白色結(jié)晶性粉末。露置空氣中約能失去8%的氨。1g該品溶于約2.5mL水，溶液呈酸性(0.2mol/L水溶液pH值4.2)。微溶于乙醇，不溶于丙酮。熔點190℃，密度1.08。
六、用途：在食品工業(yè)中用作膨松劑、面團調(diào)節(jié)劑、酵母食料、釀造發(fā)酵助劑、緩沖劑。還用作動物飼料添加劑。
七、包裝： 內(nèi)襯聚乙烯塑料袋，外套復(fù)合塑料編織袋包裝，每袋凈重25kg。
八、貯存與運輸： 本品應(yīng)貯存在干燥通風清潔的庫房中，裝載運輸時要輕裝輕放，防止包裝破損，防止受潮、受熱，運輸過程中防止雨淋受潮，應(yīng)與有毒物品隔離。
1. Chemical Name: Ammonium Dihydrogen Phosphate
2. Molecular Formula: NH4H2PO4
3. Molecular Weight: 115.02
4. CAS: 7722-76-1
5. Character: It’s colorless crystal or white crystalline powder, tasteless. It can lose about 8% of ammonia in air. 1g Ammonium Dihydrogen Phosphate could be dissolved in about 2.5mL water. Aqueous solution is Acidic (pH value of 0.2mol/L aqueous solution is 4.2). It’s slightly soluble in ethanol, insoluble in acetone. Melting point is 190 ℃. Density is 1.08.
6. Usage: In food industry, it’s used as leavening agent, dough regulator, yeast food, brewing fermentation agent and animal feed additives.
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 & Transportation: 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.
關(guān)鍵字： 食品級磷酸二氫銨；試劑級磷酸二氫銨;