Direct Red 16
Name:C.I.Direct Red 16,C.I.27680
Molecular Structure: Double azo class
C.I.Direct Red 16,C.I.27680,CAS 6227-02-7,637.55,C26H17N5Na2O8S2,Direct Red 6B,Direct Fast Red 6B,Direct Bordeaux 6B,Pergasol Bordeaux 6B
Molecular Formula:C26H17N5Na2O8S2
Molecular Weight: 637.55
CAS Registry Number:6227-02-7
Manufacturing Methods : aniline diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupled its product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications: red. Soluble in water for product red, slightly soluble in ethanol peach pink, insoluble in other organic solvents. The strong sulfuric acid for blue, red to orange diluted to brown, and a red precipitate.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 3-4 | 2 | 1-2 | 1 | ||
| AATCC | 4 | 3 | 1-2 | 1 | 1 | ||
List of Suppliers:
Direct Red 6B,Direct Fast Red 6B
Shandong Qing Shun Chemical Co., Ltd.
Anar Direct Bordeaux 6 B( Anar Chemical Industries )
Direct Bordeaux 6B(Yorkshire Group pic)
Direct Bordeaux 6B (Classic Dyestuffs Inc)
Direct Bordeaux 6B 200%( Global Colors Inc. )
Direct Bordeaux 6B Crude(Classic Dyestuffs Inc)
Direct Bordeaux 6BA(Yorkshire Group pic)
Direct Bordeaux 8B-H ( National Dyechem Industries )
Fabramine Bordeaux 6BF 200% (Classic Dyestuffs Inc)
Pergasol Bordeaux 6B ( Ciba Specialty Chemicals Inc )
Permalite Bordeaux 6B 200% ( Standard Dyes )
Pyrazol Bordeaux 7B ( Clariant GmbH )
UsharectRed 16 ( Ushanti Colour Chem Pvt Ltd )