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二、分子式：K3PO4 · nH2O
三、分子量：无水物：212.27
四、CAS：7778-53-2
五、性状：白色无臭吸湿性结晶粉末或颗粒，相对密度为2.564。溶于水，不溶于乙醇。
六、用途：在食品工业中作缓冲剂、螯合剂、调味剂、乳化盐、增效剂、钾的强化剂、肉质黏结剂。
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。
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质量指标 |
Specification |
GB 1886.327-2021 |
FCC VII |
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|
含量（K3PO4 ，灼烧干基），w/% ≥ |
Content(K3PO4 , Ignited basis),w/%≥ |
97.0 |
97.0 |
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|
砷（As），mg/kg ≤ |
Arsenic(As),mg/kg ≤ |
3.0 |
3.0 |
||
|
氟化物（以F计），mg/kg ≤ |
Fluoride(as F),mg/kg ≤ |
10.0 |
10.0 |
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|
pH值（10g/L溶液） |
pH value (10g/L Solution ) |
11.5-12.5 |
———— |
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|
重金属（以Pb计），mg/kg ≤ |
Heavy metal(as Pb),mg/kg ≤ |
10 |
———— |
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|
水不溶物，w/% ≤ |
Insoluble substances,w/% ≤ |
0.2 |
0.2 |
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|
铅（Pb），mg/kg ≤ |
Lead(Pb),mg/kg ≤ |
2.0 |
2.0 |
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|
灼烧减量，w/% |
K3PO4 ≤ |
Loss on ignition, w/% |
K3PO4 ≤ |
5.0 |
5.0 |
|
K3PO4 · nH2O |
K3PO4 · nH2O |
8.0-20.0 |
8.0-20.0 |
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1、Chemical Name: Tripotassium Phosphate
2、Molecular Formula: K3PO4· nH2O
3、Molecular Weight : Anhydrous:212.27
4、CAS: 7778-53-2
5、Character: It’s white crystal or granule, odorless, hygroscopic. Relative density is 2.564.
6、Usage: In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, and synergistic agent of anti-oxidation.
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.