硫酸钾POTASSIUM SULFATE

一、化学名：硫酸钾

二、分子式：K₂SO₄

三、分子量：174.26

四、CAS：7778-80-5

五、性状：无色或白色硬质结晶，或结晶性粉末。有苦咸味。相对密度2.662，熔点1069℃。1g溶于约8.5ml的水，不溶于乙醇、丙酮，5%水溶液的pH值5.5-8.5.。

六、用途：调味剂、膳食用代盐剂。

七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋净重25kg。

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，运输过程中防止雨淋受潮，应与有毒物品隔离。

质量指标	Specification	FCC VII
含量（K2SO4），w/%	Content(K2SO4),w/%	99.0-100.5
铅(Pb)，mg/kg≤	Lead(Pb),mg/kg≤	2
硒(Se)，mg/kg≤	Selenium(Se),mg/kg≤	5

1、Chemical Name:PotassiumSulfate

2、Molecular Formula:K₂SO₄

3、Molecular Weight:174.26

4、CAS:7778-80-5

5、Character:Itoccurs ascolorless or whitehardcrystalor as crystalline powder.It tastes bitter and salty. Relative density is 2.662. 1g dissolves in about 8.5mL of water. It’s insoluble in ethanol andacetone. The pH of 5% aqueous solution is about 5.5 to 8.5.

6、Usage:It is used as seasoning and salt substitute.

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.