无色或白色结晶、颗粒或粉末。无气味。味涩。在干燥空气中风化，280℃失去全部结晶水，500℃以上分解。1g溶于0.6ml水、2.5ml甘油，不溶于乙醇。水溶液对石蕊呈酸性，pH约4.5。含1分子结晶水的较不易结块。相对密度1.97。熔点100℃。最小致死量（大鼠，经口）2200mg/kg。有刺激性。用于制造立德粉，并用作媒染剂、收敛剂、木材防腐剂等。
作用与用途
工业上的运用
是制造锌钡白和锌盐的主要原料，也可用作印染媒染剂，木材和皮革的保存剂，也是生产粘胶纤维和维尼纶纤维的重要辅助原料。另外，在电镀和电解工业中也有应用，还可以用于制造电缆。
工业中冷却用水是最大用量水。在密闭式循环冷却系统中的冷却水对金属不能有腐蚀和结垢，因此要进行处理，这个过程就叫水质稳定，硫酸锌在此用作水质稳定剂。
医药上的运用
医药上用于催吐剂。
农业上的运用
可用于防止果树苗圃的病害，也是一种补充作物锌微量元素肥的常用肥料，可做基肥，叶面肥等。
Chuanbei Chemical was established in 1996 (formerly known as Luanchuan Hongye Magnesium Oxide Plant, and was renamed as Sichuan North Chemical Co., Ltd. due to the continuous expansion of production scale). It is the production and sales of magnesium sulfate (MgSo4), ferrous sulfate (FeSo4), etc. A modern enterprise of a range of chemical products. The company now has 30 employees, including product department, sales department, personnel department and product development department. The company has a group of high-quality, highly educated professional chemical research and development personnel, 4 engineers and 3 senior chemical technicians, and the existing MgSo4 production line. With an annual output of 20,000 tons, it is a chemical enterprise with large scale and production capacity in Shandong. The factory has advanced technology, excellent equipment, strong technical force, complete testing means, stable and reliable quality, and the products are sold all over the country. Canada, Sri Lanka, Australia, Laos and other countries. Chuanbei Chemical will continue to serve the new and old customers as always, returning customers with first-class products and first-class service. We sincerely welcome friends from all over the world and friends from all walks of life to visit our company. Sichuan North will work together with you to create a grand foundation.
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