enzene,sodiumsalts sulfuricacid,reactionproductswithaniline,anilinehydrochlorideandnitrob Sulfuric acid, reaction products with aniline, aniline hydrochloride and nitrobenzene, sodium salts Solventblack5,water-soluble Einecs 309-930-4 NIGROSINE (C.I. 50420) WATER-SOLUBLE FOR NIGROSINE, WATER SOLUBLE, C.I. 50420, FOR MICROSCOPY WATER SOLUBLE NIGROSINE C.I.ACID BLACK 2