英文别名METHYL ORANGE/XYLENE CYANOL SOLUTION; Methyl Orange-xylene cyanol solution in water; METHYL ORANGE INDICATOR SOLUTION MODIFIED; METHYL ORANGE-XYLENE CYANOLE; 1,3-Benzenedisulfonic acid,4-((4-(ethylamino)-3-methylphenyl)(4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene)methyl)-,monosodium salt,compd. with sodium 4-((4-(dimethylamino)phenyl)azo)benzenesulfonate (1:1)