硫酸鋅  ZINC SULFATE

一、化學(xué)名：硫酸鋅

二、分子式：ZnSO₄·H₂O, ZnSO₄·7H₂O

三、分子量：一水：179.49；七水：287.58

四、CAS：一水：7446-19-7；七水：7446-20-0

    五、性狀：無(wú)色透明棱柱體或小針狀體，或粒狀結(jié)晶性粉末，無(wú)臭，相對(duì)密度1.957，熔點(diǎn)100℃，易溶于水，水溶液對(duì)石蕊呈酸性。微溶于乙醇和甘油。一水合物于溫度超過(guò)238℃時(shí)失水。七水合物于室溫干燥空氣中逐漸風(fēng)化。

    六、用途：營(yíng)養(yǎng)增補(bǔ)劑（鋅強(qiáng)化劑）。加工助劑。可用于乳制品，嬰幼兒食品，飲液及乳飲料，谷類(lèi)及其制品，食鹽，軟飲料，可可粉及其他口味營(yíng)養(yǎng)型固體飲料，孕產(chǎn)婦配方奶粉。

七、包裝：內(nèi)襯聚乙烯塑料袋，外套復(fù)合塑料編織袋，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(kù)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(guò)程中防止雨淋受潮，應(yīng)與有毒物品隔離。

1、Chemical Name:  Zinc Sulfate

2、Molecular Formula : ZnSO₄·H₂O,  ZnSO₄·7H₂O

3、Molecular Weight: Monohydrate: 179.48; Heptahydrate: 287.54

4、CAS: Monohydrate:7446-19-7; Heptahydrate:7446-20-0

5、Character: It is colorless transparent prism or spicule or granular crystalline powder, odorless. Relative density is 1.957. Melting point is 100℃. It’s easily soluble in water and aqueous solution is acidic to litmus. It’s slightly soluble in ethanol and glycerin. The monohydrate loses water at temperatures above 238℃; heptahydrate effloresces in dry air at room temperature.   

   6、Usage: It is used as nutritional supplement(zinc fortifier) and processing aid. It’s used in milk product, infant food, liquid and milk drinks, grain and its’ products, table salt, soft drinks, maternal formula and coco powder and other flavor nutritional solid drinks.

   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.