99 9 purity optical brightening agent

{"cid":"91196599","title":"High Purity Optical Brightening Agent For Plastic OB-1 C28H18N2O2 Yellowish Green Powder","imgUrl":"https:\/\/img.chinax.com\/nimg\/ff\/a2\/27b3e4be01314e740a891d068276-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"ARCHTEX","Model Number":"OB-1","Minimum Order Quantity":"100KGS","Delivery Time":"5-8working days","Certification":"SGS","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"1000 Metric Tons\/Metric Ton per month","Packaging Details":"25KG\/ drum","Appearance":"Yellowish Green Powder","Mf":"C28H18N2O2","Product Name":"Fluorescent Brightener Agent","Usage":"Plastic Auxiliary Agents,Textile Auxiliary Agents,Paper Chemicals,Coating Auxiliary Agents","Cas No.":"1533-45-5","Purity":"99%","Melting Point":"\u2265359\u2103","Fineness":"0.050mm"}}

{"cid":"91224470","title":"OBA Supplier Optical Brightener OB-1 Cas No.1533-45-5 C.I.393 for PP\/PE\/PA\/ABS\/PVC","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/0f\/f6e9291687f55e84503037d8e8f5-200x200-1.jpg","attrs":{"Brand Name":"RQT","Model Number":"OB-1","Minimum Order Quantity":"1","Delivery Time":"5-8days","Place of Origin":"China","Supply Ability":"500Tons\/mouth","Packaging Details":"25kg\/drum"}}