Index Name Index Main Content 95% --99.6% Sulphuric Acid Base SO4 2- ≤0.02% Heavy Metal Pb ≤0.001% Chloride Cl ≤0.001% Ash ≤0.02% Iron Content(Fe) ≤0.01% CAS NO.: 6153-56-6 Molecular formula: C2H2O4.2H2O Property: White crystallized particle. Use: Pharmacy Industry, Electrical Industry, Metallurgical Industry, Light Industry. Packing: 25kgs plastic woven bags Quality of oxalic acid conforms with the Standard HG1626-26 of Chemical Industry Ministry of China and is executed strictly according to Enterprise Standard S.T.Q/00883-2005-01.