Sodium Salt of 123Benzotriazole BTANa CAS No 15217422 Molecular formula C6H4N3Na Molecular Weight 14111 Properties BTANa can be absorbed on metal surface and form a thin film to protect copper and other metals BTANa can be used together with many scale inhibitors and fungi disinfectants in circulating cool water system and it has good corrosion inhibition effect in circulating cool water system The dosage of 24mgl is preferred BTANa can also be used as antidiscolor agent coating additive and luboil additive Specification Items Index Appearance Pale yellow to yellow transparent liquid Active contentwt 500min Density 20 gcm3 120 min Package and Storage 200L plastic drumIBC1000Lcustomers requirement Storage for six months in shady room and dry place Synonyms BTANa sodium salt of 123 Benzotrialole12 Aminoazophenylene123Triazaindene