厂商 :江苏科伦多食品配料有限公司
江苏 连云港- 主营产品:
- 甲酸钾
- 醋酸钾
- 柠檬酸钾
科伦多厂家直销食品级磷酸氢二钾三水,销售热线18861332609
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。1.主要用于医药(青霉素、链霉素的培养剂)工业,还可用作滑石粉的脱铁剂、pH调节剂
2.用作水质处理剂,微生物、菌类培养剂
3.食品工业用作配制面食制品用碱水的原料、发酵用剂、调味剂、膨松剂、乳制品的温和碱性剂、酵母食料,有时会被加入到奶茶粉中。也可用作饲料添加剂
4.在化学分析中用作缓冲剂,用于金属的磷化处理中以及用作电镀添加剂
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.