草酸  OXALIC ACID

一、化學名：草酸，又名乙二酸

二、分子式：H₂C₂O₄·2H₂O

三、分子量：126.07 

四、CAS：6153-56-6

五、性能：本品為無色透明單斜晶系結晶。通常以二水物存在。熔點101～102 ℃。相對密度（19 ℃）1.65。折射率1.440?？扇苡谒匀苡谝颐押鸵掖?。157 ℃升華。二水物易風化失水而成無水草酸。無水物熔點189.5 ℃（分解）。

六、用途：草酸主要用作還原劑和漂白劑。

七、包裝：內襯聚乙烯塑料袋，外套復合塑料編織袋包裝，每袋凈重25kg。

八、貯存與運輸：本品應貯存在干燥通風清潔的庫房中，裝載運輸時要輕裝輕放，防止包裝破損，防止受潮、受熱，運輸過程中防止雨淋受潮，應與有毒物品隔離。

1、Chemical Name: Oxalic Acid

2、Molecular Formula : H₂C₂O₄·2H₂O

3、Molecular Weight: 126.07

4、CAS：6153-56-6

5、Character: It occurs as colorless transparent monoclinic system crystal. Usually, it is dihydrated. It’s melting point is 101-102 ℃. The relative density (19 ℃) is 1.65. The refractive index is 1.440. It’s soluble in water, slightly soluble in ether and ethanol. It sublimates at the temperature of 157℃. Dihydrate form effloresces easily and turns to anhydrous form. Melting point of Oxalic Acid anhydrous is 189.5 ℃ (decomposing).

6、Usage: It’s used as reducing agent and bleaching 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.