Acid Red 249
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Acid Red 249
C.I.Acid Red 249
C.I.18134
CAS:6416-66-6
Synonymous names:Airedale Brilliant Red 2B (YCL);Aminyl Brilliant Red F-B (NSK);Best Acid Milling Red 2B (OGD);Conacid Red BDN (CONC); Everacid Red B (ECI);Polar Red B (CIBA);Projet Magenta 1 (BASF);San- dolan Brilliant Red N-BG (CLAR);Sumitomo Fast Brilliant Red B (KKK);Ter-tracid Brilliant Milling Red 2B (CKC)
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Description
C.I.Acid Red 249
C.I.18134
CAS:6416-66-6
Synonymous names:Airedale Brilliant Red 2B (YCL);Aminyl Brilliant Red F-B (NSK);Best Acid Milling Red 2B (OGD);Conacid Red BDN (CONC); Everacid Red B (ECI);Polar Red B (CIBA);Projet Magenta 1 (BASF);San- dolan Brilliant Red N-BG (CLAR);Sumitomo Fast Brilliant Red B (KKK);Ter-tracid Brilliant Milling Red 2B (CKC)
Physicochemical Properties: Dark red powder. Highly soluble in water, slightly soluble in ethanol (magenta). In concentrated sulfuric acid, it appears magenta, turning pink upon dilution. In aqueous solution, hydrochloric acid turns it red, while sodium hydroxide turns it brown. Metal ions do not affect the shade.
Applications: Used for dyeing and printing wool, silk, and nylon fabrics. Suitable for one-bath dyeing of wool/viscose blends with direct dyes.
