Direct Red 99
Name:C.I.Direct Red 99,C.I.29167
Molecular Structure: Double azo,Metal Complexes
C.I.Direct Red 99,C.I.29167,CAS 6837-87-2,940.71,C34H20N6Na4O15S3,Direct Bordeaux Light Fast BM,Bordeaux BL,Bordeaux LB
Molecular Formula:C34H20N6Na4O15S3
Molecular Weight: 940.71
CAS Registry Number:6837-87-2
Manufacturing Methods : 2-Aminobenzoic acid diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea, 3-Amino-4-hydroxybenzenesulfonic acid diazo, and generated coupled product matches, and then into copper complex.
Properties and Applications: red to blue light Claret. Purple powder, soluble in water for dark purple. The strong sulfuric acid dyes for dark purple solution, diluted into red, precipitation. Its water solution to join 10% sodium hydroxide solution colour and lustre after basically unchanged. In dyeing copper and iron ion colored light basic unchanged. Mainly used for cotton, viscose and their blended fabric dyeing and printing, and can also be used for leather and paper color.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 4 | 7 | 3-4 | 3 | ||
| AATCC | 3 | 5 | 5-6 | 3 | |||
List of Suppliers:
Direct Bordeaux Light Fast BM( Joint Stock Company ‘Coioros’ )
Permalite Bordeaux BL( Standard Dyes )
Sakoton Bordeaux Light Fast SM( Sivashdky Dye Plant )
Saturn Bordeaux LB (SBU Pigments and Dyes)
Simrect Red 24687(Simpsons (UK) Ltd)
Solamine Light Bordeaux BL (CBW Chemie GmbH Bitterfeld-Wolfen)
Tertrodirect Light Bordeaux BL(Yorkshire Group pic)