·中文名称:二甲基偶氮磺III[碱性稀土金属用的分光光度试剂及硫酸根用钡的沉淀滴定指示剂]·英文名称:Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]·CAS号:14979-11-4·化学式:C24H20N4O14S4·分子量:716.68