Direct Yellow 8
Name:C.I.Direct Yellow 8,C.I.13920
Molecular Structure: Single azo,Benzothiazole class
C.I.Direct Yellow 8,C.I.13920,CAS 10130-29-7,530.55,C24H19N4NaO5S2,Direct Yellow 5G,Direct Brilliant Yellow 5G
Molecular Formula:C24H19N4NaO5S2
Molecular Weight: 530.55
CAS Registry Number:10130-29-7
Manufacturing Methods : 2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid diazo, and 3-Oxo-N-phenylbutanamide coupling.
Properties and Applications: colourful green light yellow. Soluble in water for yellow, soluble in soluble fiber element, slightly soluble in alcohol, soluble in other organic solvents. The strong sulfuric acid for colourful yellow, yellow after diluted precipitation; In nitric acid solution for colourful yellow; Partly dissolved in strong hydrochloric acid for orange. Dyeing meet copper, iron ion reddish light. Join urea and phosphoric acid hydrogen potassium can increase the dye solubility. Mainly used for cotton and viscose fabric dyeing and printing, can be in acetic acid medium dyeing wool, silk and printing. The paper can also be used to color. Exhaust dyeing, good levelness.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 3-4 | 2 | 2 | 2-3 | ||
| AATCC | 3 | 5 | 2 | 1 | 1 | ||
List of Suppliers:
Amacel Yellow 8 G (Classic Dyestuffs Inc)
Atul Direct Yellow CFG ( Atul Limited )
Bitamine Direct Lemon Yellow 6 G ( Bharat Texdyes Industries )
Direct Brilliant Yellow 5G(Sinochem Ningbo Imp & Exp Corp)
Direct Fast Yellow 6 GS( Golden Dyes Corpn (India) Pvt Ltd )
Direct Yellow 5G ( Day-Glo Color Corp. )
Direct Yellow BH ( Liberty Exports Ltd )
Direct Yellow CFG ( National Dyechem Industries )
Direct Yellow CFG Hly. Cone. (Amar Impex)
Lemon Yellow 6G(United Chemie)
Triamine Brilliant Yellow 5G( Chromatourgia Tripoleos SA )
Yellow 5G(Sinochem Liaoning Import & Export Corporation)