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无水磷酸氢二钾重质

一、化学名：磷酸氢二钾

二、分子式：K2HPO4 ；K2HPO4·3H2O

三、分子量：无水物：174.178；三水物：228.238

四、CAS：无水物：7758-11-4；三水物：16788-57-1

五、性状：无色或白色正方晶体粉末或颗粒，易潮解，呈碱性不溶于乙醇，1﹪水溶液的PH值约为9。具有吸湿性。

六、用途：在食品工业中作缓冲剂、螯合剂、酵母食料、乳化盐、抗氧化增效剂。

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。

质量指标SpecificationGB 1886.334-2021FCC VII
含量（以干基计），w/%     ≥Content(On dry basis), w/%      ≥98.098.0
砷（As），mg/kg           ≤Arsenic(As),mg/kg             ≤3.03.0
氟化物（以F计），mg/kg    ≤Fluoride(as F),mg/kg           ≤10.010.0
重金属（以Pb计），mg/kg   ≤Heavy metal(as Pb),mg/kg       ≤10———
水不溶物（以干基计），w/%  ≤Insoluble substances(On dry basis),w/%≤0.20.2
铅（Pb），mg/kg           ≤Lead (Pb),mg/kg              ≤2.02.0
干燥减量，w/%K2HPO4  ≤Loss on drying,w/% K2HPO4       ≤2.02.0
K2HPO4·H2OLoss on drying,w/% K2HPO4·H2O22.0-26.0———
pH值（10g/L溶液）pH value (10g/L Solution )9.0±0.4———

无水磷酸氢二钾重质

1、Chemical Name: Dipotassium Phosphate

2、Molecular Formula: K2HPO4 ; K2HPO4· 3H2O

3、Molecular Weight: Anhydrous:174.178 ; Trihydrate:228.238

4、CAS: Anhydrous:7758-11-4 ; Trihydrate:16788-57-1

5、Character: It’s colorless or white square crystal granule or powder, easily deliquescent, alkaline, insoluble in ethanol. PH value is about 9 in 1% aqueous solution.

6、Usage: In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.

7、Packing: It is packed with a polyethylene bag as the 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.

无水磷酸氢二钾重质
无水磷酸氢二钾重质