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二、分子式：KH2PO4
三、分子量：136.086
四、CAS: 7778-77-0
五、性状：无色四方晶体或白色颗粒或结晶性粉末，无臭，在空气中稳定。易溶于水，不溶于无水乙醇。
六、用途：在食品工业中作缓冲剂、螯合剂、水分保持剂、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 |
GB 1886.337-2021 |
FCC VII |
|
含量（以干基计），w/% ≥ |
Content (On dry basis)，w/% ≥ |
98.0 |
98.0 |
|
砷（As），mg/kg ≤ |
Arsenic (As),mg/kg ≤ |
3.0 |
3.0 |
|
氟化物（以F计），mg/kg ≤ |
Fluorides (as F),mg/kg ≤ |
10.0 |
10.0 |
|
重金属（以Pb计），mg/kg ≤ |
Heavy metal (as Pb),mg/kg ≤ |
10 |
———— |
|
水不溶物，w/% ≤ |
Insoluble substances,w/% ≤ |
0.2 |
0.2 |
|
铅（Pb），mg/kg ≤ |
Lead (Pb),mg/kg ≤ |
2.0 |
2.0 |
|
干燥减量，w/% ≤ |
Loss on drying,w/% ≤ |
1.0 |
1.0 |
|
pH值（10g/L溶液） |
pH value (10g/L Solution ) |
4.2-4.7 |
4.2-4.7 |
1、Chemical Name: Monopotassium Phosphate
2、Molecular Formula: KH2PO4
3、Molecular Weight: 136.086
4、CAS: 7778-77-0
5、Character: It is colorless square crystal or white granule or crystalline powder, odorless, stable in air. Relative density is 2.338. Melting point is 96℃-253℃.
6、Usage: 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 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.