一、化学名:磷酸二氢钙,磷酸一钙
二、分子式:Ca(H2PO4)2 ;Ca(H2PO4)2·H2O
三、分子量:无水物:234.05;一水物:252.07
四、CAS:无水物:7758-23-8;一水物:10031-30-8
五、性状:白色结晶粉末或片状结晶,比重2.220,在100℃时失去结晶水,溶于盐酸及硝酸,微溶于水(1.8%)。
六、用途:在食品工业中作膨松剂、面团调节剂、缓冲剂、组织改良剂、固化剂、营养增补剂、螯合剂等。
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
|
|
FCC VII
|
含量(以Ca计),w/%
|
无水物
|
Content(As Ca),w/%
|
Anhydrous
|
16.8-18.3
|
16.8-18.3
|
一水物
|
Monohydrate
|
15.9-17.7
|
15.9-17.7
|
砷(As),mg/kg ≤
|
Arsenic(As), mg/kg ≤
|
3
|
3
|
铅(Pb),mg/kg ≤
|
Lead (Pb), mg/kg ≤
|
2
|
2
|
重金属(以P b计),mg/kg ≤
|
Heavy Metal(As Pb),mg/kg ≤
|
10
|
————
|
氟化物(以F计),mg/kg ≤
|
Fluoride(As F), mg/kg ≤
|
25
|
50
|
灼烧减量(无水物),w/%
|
Loss on Ignition (Anhydrous),w/%
|
14.0-15.5
|
14.0-15.5
|
干燥减量(一水物),w/% ≤
|
Loss on Drying(Monohydrate),w/%≤
|
1.0
|
1.0
|
澄清度
|
Clarity
|
通过试验
|
————
|
碳酸盐
|
Carbonate
|
通过试验
|
————
|
游离酸及其副盐
|
Free Acid & Its’ Auxiliary Salt
|
通过试验
|
————
|
1、Chemical Name: Monocalcium Phosphate
2、Molecular Formula : Ca(H2PO4)2 ; Ca(H2PO4)2·H2O
3、Molecular Weight: Anhydrous:234.05 ; Monohydrate:252.07
4、CAS:Anhydrous:7758-23-8 ; Monohydrate:10031-30-80
5、Character: It is white crystalline powder flaky crystal. Specific gravity is 2.220. When heated to 100℃, it begins to lose crystal water. It is soluble in hydrochloric acid nitric acid ,slightly soluble in water (1.8﹪).
6、Usage: In food industry, it is used as swelling agent ,dough regulat,buffering agent, modifier, firming agent ,nutritional supplement chelating agent.
7、Packing: It is packed with polyethylene bag as inner layer, a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage Transport:It should be stored in a dry ventilative warehouse, kept away from heat moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.