OXALIC ACID ( Dechuangchem@gmail.com ) Molecular Formula: C2H2O4-2H2O CAS No: 6153-56-6 Appearance: Free Floating White Crystal Powder Purity: 99.6%min Sulphate: 0.08%max Chloride: 0.001%max Heavy Metal: 0.002%max Iron: 0.001%max Ash A ...Read More