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一、化學名：硫酸鋅
二、分子(zi)式：ZnSO4·H2O, ZnSO4·7H2O
三、分子量：一水(shui)：179.44；七水(shui)：287.50
四、CAS：一水(shui)(shui)：7446-19-7；七水(shui)(shui)：7446-20-0
五、性狀(zhuang)：無色透明(ming)棱柱體或(huo)(huo)小針狀(zhuang)體，或(huo)(huo)粒狀(zhuang)結晶性粉末，無臭，七(qi)水合(he)物(wu)(wu)(wu)相對密度1.957，熔點100℃，易溶于(yu)水，水溶液對石(shi)蕊(rui)呈酸性。微溶于(yu)乙醇(chun)和甘油。一水合(he)物(wu)(wu)(wu)于(yu)溫度超(chao)過(guo)238℃時失水。七(qi)水合(he)物(wu)(wu)(wu)于(yu)室溫干燥(zao)空氣中逐漸風化。
六、用途：營養增(zeng)補劑（鋅(xin)強化劑）。加工助劑。可(ke)用于乳制(zhi)品，嬰幼兒食品，飲液及乳飲料，谷類及其制(zhi)品，食鹽(yan)，軟飲料，可(ke)可(ke)粉(fen)及其他口味營養型固體飲料，孕產婦配方奶粉(fen)。
七、包裝：內襯聚乙烯塑(su)料(liao)袋，外(wai)套復(fu)合塑(su)料(liao)編(bian)織袋包裝，每袋凈重25kg。
八(ba)、貯(zhu)存與運輸：本品應(ying)貯(zhu)存在(zai)干(gan)燥通(tong)風(feng)清潔(jie)的庫(ku)房中(zhong)，裝載運輸時要輕裝輕放，防(fang)(fang)止包裝破損，防(fang)(fang)止受潮、受熱，運輸過程中(zhong)防(fang)(fang)止雨(yu)淋受潮，應(ying)與有(you)毒物品隔離(li)。
| 質量指標 | Specification | GB25579-2010 | FCC VII | ||
| 含量 w/% | ZnSO4·H2O | Content w/% | ZnSO4·H2O | 99.0-100.5 | 98.0-100.5 |
| ZnSO4·7H2O | ZnSO4·7H2O | 99.0-108.7 | 99.0-108.7 | ||
| 砷（As），w/% ≤ | As ,w/% ≤ | 0.0003 | ———— | ||
| 堿金屬和堿土金屬鹽，w/% ≤ | Alkalis and Alkaline Earths,w% ≤ | 0.50 | 0.5 | ||
| 酸度 | Acidity, | 通過試驗 | Pass Test | ||
| 硒（Se）， w/% ≤ | Se, w/% ≤ | 0.003 | 0.003 | ||
| 汞（Hg）， w/% ≤ | Hg, w/% ≤ | 0.0001 | 0.0005 | ||
| 鉛（Pb），w/% ≤ | Pb, w/% ≤ | 0.0004 | 0.0004 | ||
| 鎘（Cd），w/% ≤ | Cd, w/% ≤ | 0.0002 | 0.0002 | ||
1、Chemical Name: Zinc Sulfate
2、Molecular Formula : ZnSO4·H2O, ZnSO4·7H2O
3、Molecular Weight: Monohydrate: 179.44; Heptahydrate: 287.50
4、CAS: Monohydrate:7446-19-7; Heptahydrate:7446-20-0
5、Character: It is colorless transparent prism or spicule or granular crystalline powder, odorless. Heptahydrate:The 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 will loses water at temperatures above 238℃; The Heptahydrate will be effloresced slowly in the 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.
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.