Oxalic Acid

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Molecular Formula: H2C2O4•2H2O CAS number: 144-62-7 ITEM Specifications: Oxalic acid (as H2C2O4•2H2O) %≥ 99.6 99 96 Sulfate (as SO4) %≤ 0.07 0.10 0.20 ignition residue (650°C) 0.01 0.08 0.20 Heavy metals (as Pb) %≤ 0.0005 0.001 0.02 Iron (as Fe)0.0005 0.0015 0.01 chloride (as Cl)%≤ 0.0005 0.002 0.01 calcium (as Ca) %≤ 0.0005 0.002 0.01 Properties: Oxalic acid forms fine colorless crystals, readily soluble in water, with light nitrogen oxides-like odour. Oxalic acid dehydrate begins to dissociate at temperature over 30 0C. If was heated quickly, it melts at 101.5 0C, anhydrous oxalic acid melts at 180 0C. Applications: 1)Purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline , Chloramphenicol , etc; 2)Precipitating agent in Rare-earth mineral processing; 3)Bleaching agent in the textile activities, wood pulp bleaching; 4)Rust-remover for Metal treatment; 5)Grinding agent, such as Marble polishing; 6)Waste water treatment, removing calcium from water. Packing: 25kgs/50kgs in P.P bag, 23MTs20'FCL

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Qinhuangda Leixin Chemical Co.,Ltd

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