钙

一、化学名：钙
二、分子式：CaHPO4?(0,2)H2O
三、分子量：二水物：208.09
四、CAS：无水物：7757-93-9；二水物：7789-77-7
五、性能：白色单斜结晶粉末，无臭无味，溶于稀、、微溶于水，不溶于。相对密度为2.32，与空气中稳定，75℃开始失水生成钙。
六、用途：在食品工业中作疏松剂、面团改良剂、缓冲剂、营养增补剂、稳定剂、乳化剂、稳定剂等。如作面粉、蛋糕、糕点、烘焙制品的膨松剂，复配型面包改质剂，油炸食品改良剂。亦用于饼干、奶粉、冷饮、冰激凌粉，作为营养增补剂或品质改良剂。
七、包装：内衬聚塑料袋，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。

质量指标	Specification	GB1889-2004	FCC, 1997
含量(CaHPO4?2H2O)，w/%  	Content(As  CaHPO4?2H2O ）	98.0-103.0	97.0-105.0
砷(As)，mg/kg                     ≤	Arsenic	0.0002	0.0003
铅(Pb)，mg/kg                     ≤	Pb	0.0005	0.0002
氟化物(以F计)，mg/kg              ≤	Fluoride（As F）	0.005	0.005
重金属（以P b计），mg/kg          ≤	Heavy Metals(As P b)	0.001	0.0015
灼烧失量，w/%	无水物	Loss On Ignition	-------	7.0-8.5（Anhydrous）
	二水物		24.5-26.5	24.5-26.5(Dihydrate)
不溶物，w/%                 ≤	Hydrochloric Acid Insoluble	0.05	--

1、Chemical Name: DICALCIUM　PHOSPHATE
2、Molecular Formula : CaHPO4?(0-2)H2O
3、Molecular Weight: Anhydrous: 172.09；Dihydrate: 208.09
4、CAS：Anhydrous :7757-93-9；Dihydrate :7789-77-7
5、Character: It is white monoclinic crystalline powder, odorless; soluble in dilute hydrochloric acid, nitric acid and acetum, slightly soluble in water; insoluble in ethanol. Stabilizing in air. Relative density is 2.32.
6、Usage: In food industry, it is used as leavening agent ,dough modifier ,buffering agent, nutritional supplement, emulsifier, stabilizing 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 Transportation ：It should be stored in a dry and ventilating warehouse; be cautious to keep away from moisture and hot.