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。
质量指标
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.
大自然食品科技有限公司
唐先生
18563321226
山东 日照 莒县