Suctural Formula  : 
                             
Specification and properties :
Purity  :                              99  %  min
Appearance  :                     colorless, transparant liquid.   
Melting Point   :                  -12  oC
Boiling Point   :                   63~64  oC
Specific gravity   :               1.480
Refractive Index at   :     1.430

Other Namos    :                 Ethane dioyl chloride、Oxalic acid chloride
Molecular Formula   :  Cl2C2O2
Molecular WT   :          126.93
CAS  NO.  :                                79-37-8
Hazard class :                            8 - Ⅱ
UN/NA :                                     UN2922
Characteristics: Being a colorless, smoky liquid with a sharp irritant flavour, the product can be mixed with benzene and ether, in contact with water and alcohol, a strong reaction will occur and  chloride hydrogen will be decomposed. The product is toxic and corrosive.
Application : To be used as an important intermediate for sulfonylurea-weed-killer and for the chemical synthesizing of medicines, and it can also be ussed as a fine -quality acylating agent for polyamide, chemical cold-light , liquid crystal etc in the chemical industry.
Usual Packing  : 250 kgs / plastic drum covered with iron drum or 1400kgs / plastic container.