磷酸二氫鈣 MONOCALCIUM PHOSPHATE
一、化學(xué)名：磷酸二氫鈣，磷酸一鈣
二、分子式：Ca(H2PO4)2 , Ca(H2PO4)2·H2O
三、分子量：無水物：234.05；一水物：252.07
四、CAS：無水物：7758-23-8；一水物：10031-30-8
五、性狀：白色結(jié)晶粉末或片狀結(jié)晶，比重2.220，在100℃時(shí)失去結(jié)晶水，溶于鹽酸及硝酸，微溶于水（1.8﹪）。
六、用途：在食品工業(yè)中作膨松劑、面團(tuán)調(diào)節(jié)劑、緩沖劑、組織改良劑、固化劑、營養(yǎng)增補(bǔ)劑、螯合劑等。
七、包裝：內(nèi)襯聚乙烯塑料袋，外套復(fù)合塑料編織袋包裝，每袋凈重25kg。
八、貯存與運(yùn)輸：本品應(yīng)貯存在干燥通風(fēng)清潔的庫房中，裝載運(yùn)輸時(shí)要輕裝輕放，防止包裝破損，防止受潮、受熱，運(yùn)輸過程中防止雨淋受潮，應(yīng)與有毒物品隔離。
Heavy Metal（As P b），mg/kg ≤
Loss on Ignition (Anhydrous)w/% ≤
Loss on Drying (Monohydrate)w/% ≤
Free Acid & Its’ Auxiliary Salt
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 is 2.220. 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 and chelating agent.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport：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.
關(guān)鍵字： 食品級磷酸一鈣；食品級磷酸二氫鈣;