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We are a leading supplier & exporter of Cupric Pyrophosphate from China. It is suitable for pyrophosphate copper plating, bronze plating, copper tin alloy plating etc. We supply high quality products on wholesale price. Wanna buy, feel free to contact us. Product name ：Cupric Pyrophosphate CAS No.：*********6 Formula:Cu2P2O7•4H2O MW:**3.*5 Characters:Light green or light blue powder, soluble in acids, insoluble in water, has strong chelating ability to metal ions. Specifications: Assay % ≥ *9.0 Copper content % ≥ *3.7 Solubility in potassium pyrophosphate % ≥ *9.9 Fe% ≤0.*1 Sulphates(SO4)% ≤0.**5 Insol. in acids % ≤0.*5 Heavy metal(Pb) % ≤0.**3 Packaging:In *5Kg/woven bag lined with double-layer plastic bag Storage Precautions:Stored in dry, draughty and cool warehouse; protect against dampness or fire