磷酸氢二钾三水

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
联系电话 :18861332609
商品详细描述

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: K2HPO4K2HPO4· 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%       ≥

ContentDry Basis, w%     ≥

98

98

砷(As),mg/kg         ≤

ArsenicAs), mg/Kg       ≤

3

3

氟化物(以F计),mg/kg

Fluoride,mg/Kg        

10

10

重金属(以Pb),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:  K2HPO4K2HPO4· 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.

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