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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、性能: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25千克。
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。
Specification |
GB25559-2010 |
FCC,1999 |
||
含量(以Ca计) , w/% |
无水物 |
Content(As Ca ) |
16.8-18.3 |
16.8-18.3(Anhydrous) |
一水物 |
15.9-17.7 |
15.9-17.7(Monohydrate) |
||
砷 (As), mg/kg ≤ |
Arsenic |
3 |
3 |
|
铅 (Pb), mg/kg ≤ |
Lead |
3 |
5 |
|
重金属(以P b计),mg/kg ≤ |
Heavy Mental(As P b) |
10 |
15 |
|
氟化物(以F计), mg/kg ≤ |
Fluoride |
25 |
50 |
|
干燥减量,无水物,w/% ≤ |
Loss On Drying |
1.0 |
1.0( Anhydrous) |
|
灼烧减量,一水物,w/% ≤ |
Loss On Ignition |
14.0-15.5 |
14.0-15.5( Monohydrate) |
|
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 or flaky crystal. Specific gravity is2.220. When heated to 100℃,it begins to lose crystal water. It is soluble in hydrochloric acid and nitric acid ,slightly soluble in water(1.8﹪).
6、Usage: In food industry, it is used as swelling agent ,dough regulator ,buffering agent, modifier, firming agent ,nutritional supplement ,chelating agent.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage and Transport:It should be stored in a dry and ventilating warehouse; be cautious to keep away from moisture and hot; unloaded with care , so as t o avoid the damage. Furthermore, it should be stored separately from poisonous substances.