Acid Red 73
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Acid Red 73
C.I.Acid Red 73
C.I.27290
CAS:5413-75-2
Synonymous names:Croceine 3B (FDN);Brilliant Croceine MOO (KCA);Covalene Scarlet B (CRD);Dinacid Scarlet MOO (DNT);Intracid Scarlet MOO (CKC);Orient Water Red 3 (KKK);Sandolan Brilliant Scarlet E-3BC (CLAR);Supracen Crocein MOO (DYS)
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Description
C.I.Acid Red 73
C.I.27290
CAS:5413-75-2
Synonymous names:Croceine 3B (FDN);Brilliant Croceine MOO (KCA);Covalene Scarlet B (CRD);Dinacid Scarlet MOO (DNT);Intracid Scarlet MOO (CKC);Orient Water Red 3 (KKK);Sandolan Brilliant Scarlet E-3BC (CLAR);Supracen Crocein MOO (DYS)
Physicochemical Properties: Yellowish-red powder. Soluble in water (red) and ethanol; slightly soluble in acetone. In sulfuric acid, it appears red, turning reddish-purple upon dilution; orange in nitric acid. Aqueous solutions form dark purple precipitates with hydrochloric acid and maroon with sodium hydroxide.
Applications: For dyeing wool, silk, paper, and leather. Also for plastics, wood, perfumes, electroplated aluminum, and pharmaceuticals. Its heavy metal salts serve as organic pigments.
