磷酸二氢钾 MONOPOTASSIUM PHOSPHATE
一、化学名： 磷酸二氢钾
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： 内衬聚乙烯塑料袋，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% ≤ |
** 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） |
PH Value |
4.2-4.7 |
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.
