ammonium persulfate 99 pcb etchant

{"cid":"91224289","title":"Ammonium Persulfate 99% Purity - PCB Etchant and Polymerization Initiator (NH4)2S2O8","imgUrl":"https:\/\/img.chinax.com\/nimg\/93\/40\/940e4cf228206a9ae90cccbc6e44-200x200-1.jpg","attrs":{"Price":"Please contact customer service","Brand Name":"SiChun HongJian","Model Number":"Ammonium persulfate","Minimum Order Quantity":"10Tons","Delivery Time":"About six weeks","Place of Origin":"China","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Supply Ability":"100,000 tons per year","Packaging Details":"Bagged and ton bags","chemical formula":"(NH4)2S2O8","CAS login number":"7727-54-0","EINECS login number":"231-786-5","Density":"1.98 g\/cm\u00b3","Appearance":"White crystalline powder","Security Description":"S22\uff1bS24\uff1bS26\uff1bS37","Hazard description":"R8\uff1bR22\uff1bR36\/37\/38\uff1bR42\/43","Molecular weight":"228.201"}}