| 常用名 | 磷酸氢二钾,三水 | CAS号 | 16788-57-1 |
|---|---|---|---|
| 价格 | ¥需询单/1ton | 纯度 | 98.0% |
| 备货期 | 需询单 | 库存 | 现货 |
| 产品网页 | http://www.kolodjs.com/product/cpfl100/ | ||
| 产品详情(用途,包装等)
磷酸氢二钾 DIPOTASSIUM PHOSPHATE 一、化学名: 磷酸氢二钾 二、分子式: K2HPO4,K2HPO4• 3H2O 三、分子量: 无水物:174.18;三水物:228.18 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。 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 Specification GB 25561-2010 FCC VII 含量(干基计),w% ≥ Content(Dry Basis), w% ≥ 98 98 砷(As),mg/kg ≤ Arsenic(As), mg/Kg ≤ 3 3 氟化物(以F计),mg/kg ≤ Fluoride,mg/Kg ≤ 10 10 重金属(以Pb计),mg/kg ≤ Heavy Metals (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 2 干燥减量, w% 无水物 ≤ Loss on drying, w% Anhydrous ≤ 2.0 2.0 三水物 Trihydrate 20.0-30.0 ———— pH值,(10g/L溶液) pH Value (10g/L) 9.0±0.4 ———— 1. Chemical Name: Dipotassium Phosphate 2. Molecular Formula: K2HPO4,K2HPO4• 3H2O 3. Molecular Weight: Anhydrous: 174.18; Trihydrate: 228.18 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. 更多
|