二

一、化学名： 二 
二、分子式： KH2PO4 
三、分子量： 136.09 
四、CAS:  7778-77-0
五、性能： 无色正方晶系结晶或白色颗粒或结晶性粉末，无臭，在空气中稳定。相对密度为2.338，熔点96℃至253℃。 
六、用途： 在食品工业中作缓冲剂、螯合剂、酵母食料、调味剂、营养强化剂、发酵助剂、膨松剂等。 
七、包装： 内衬聚塑料袋，外套复合塑料编织袋包装，每袋净重25千克。
8、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	GB25560-2010	FCC V
含量（干基计），w%              ≥	Content(dry basis)	98.0	98.0
砷（As）,mg/Kg                 ≤	Arsenic	3	3
氟化物（以F计）,mg/Kg         ≤	Fluorides 	10	10
重金属（以Pb计）mg/Kg         ≤	Heavy metals	10	----------
水不溶物,w%                   ≤	Water Insolubles 	0.2	0.2
铅（Pb）,mg/Kg                ≤	Lead	2	2
干燥失重,w%                   ≤	Loss on drying	1.0	1.0
pH值,（10g/L 溶液）	pH Value	4.2-4.7	----------

1. Chemical Name:  MONOPOTASSIUM PHOSPHATE 
2. Molecular Formula: KH2PO4 
3. Molecular Weight:  136.09 
4. CAS:  7778-77-0
5. Character: It is colorless square crystal or white granule or crystalline powder, odorless, stabilizing in air.  Relative density is 2.338. Melting point is96℃-253℃. 
6. Uses:   In food industry, it is used as buffering agent, chelating agent, yeast food, flavoring agent, nutrient supplement, fermentation adjunct, swelling agent and so on.
7. Packing:  It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8. Storage & Transportation:  It should be stored in a dry and ventilating warehouse. Be cautious to keep away from moisture and hot; unloaded with care, so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.