CAS No.: 144-62-7 Molecular Formula: C2H2O4?2H2O Molecular Weight: 126.07 Structural Formular: Physiochemical properties: colorless transparent crystal, melting point:101°C. Easily soluble in ethanol, soluble in water, slightly soluble in aether, insoluble in benzene or chloroform, toxic and corrosive. uses: Metallurgy industry :As precipitating and resolving agent for rare earth metal, etc. Organic Synthesis:For 2133 rein,ures form aldehyde powder etc. Light industry:Polishing of DA LI stone, removing rust bleaching products of leather, wood and aluminium etc. Printing Industry: Dyeing agent Medicine Industry: For making tetracydine ,HCl etc. Others: As laboratory agent, solvents activato and basic materials for chemical industry. Refining Oxalic Acid Uses: Electronic Industry : To make electronic materials to clean rate intergrate circuit board. Metallurgy Industry: As precipitating and resolving agent or rare earth material ect. Others: As laboratory agent,solvents activato and basic materialsfor chemical industry Storage and transportation: Maximum temperature of 40°C in the transportation. Avoid moisture, drench. Keep it away from oxide and alkaline matter. Package: 25kg net in plastic waven bags lined with plastic bags. Oxalic Acid specification: index Wonderful grade First grade Up to grade purity% ≥ 99.6 99.4 99.0 suiphate group % ≤ 0.08 0.10 0.20 ignition (850oC) % ≤ 0.08 0.10 0.20 heavy metal % ≤ 0.001 0.002 0.02 Iron content % ≤ 0.0012 0.002 0.01 chlorides % ≤ 0.003 0.004 0.01 calcium % ≤ 0.0012 / / Refining Oxalic Acid specification: index Wonderful grade First grade Up to grade purity(H2C2O4?H2O)% ≥ 99.6 99.4 99.0 suiphate group(SO4-2) % ≤ 0.0010 0.003 0.005 Ash % ≤ 0.01 0.015 0.08 heavy metal(Pb+2) % ≤ 0.00005 0.0001 0.0005 Fe+3 % ≤ 0.00005 0.0001 0.0005 Cl- % ≤ 0.0005 0.0005 0.001 Ca+2 % ≤ 0.0001 0.00015 0.0005 Al % ≤ 0.0001 0.0001 0.0001 Mg % ≤ 0.00005 0.00001 0.00001 Na % ≤ 0.00015 0.0002 0.0005 As % ≤ 0.00001 0.00001 0.00001 Package: 25kg net in plastic waven bags lined with plastic bags.