Acid Yellow 25
Name:C.I.Acid Yellow 25,C.I.18835
Molecular Structure: Single azo class
C.I.Acid Yellow 25,C.I.18835,CAS 6359-85-9,549.56,C23H20N5NaO6S2,Weak Acid Yellow RN,Acid Yellow E-2PL,Acid Yellow E-RPL,Acid Yellow RN,Acid Yellow RPL
Molecular Formula:C23H20N5NaO6S2
Molecular Weight: 549.56
CAS Registry Number:6359-85-9
Manufacturing Methods : 5-Amino-2-methyl-N-phenylbenzenesulfonamide diazo, and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.
Properties and Applications: yellow. Yellow powder. Soluble in water yellow, encounter cold becomes muddy. Slightly soluble in ethanol and acetone. Meet strong sulfuric acid is yellow, the generation after diluted fluorescent yellow precipitation. Its water solution meet sodium hydroxide solution without change. Mainly used for wool and polyamide fiber of printing and dyeing, also can be used for leather and electrochemical aluminum shading, occasionally used for paper coating.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5-6 | 4 | 2 | 3 | 1 | 3 | 3 | |
| AATCC | 6-7 | 4 | 4 | 3-4 | 1 | 1 | 4 | |
List of Suppliers:
Weak Acid Yellow RN,Acid Yellow E-2PL,Acid Yellow E-RPL,Acid Yellow RN,Acid Yellow RPL
Jinhua Hanllycome Chemical Co., Ltd.
Acid Fast Yellow ER (Colorom SA)
Acid Yellow RN (Shandong Qing Shun Chemical Co., Ltd.)
Aminyl Yellow E-RL ( Sumitomo Chemical Co. Ltd )
Apollo Nylon Fast Yellow L-RPL( Taiheung Corp )
Daedo Acid Yellow C-RPL( Daedo Industrial Co. Ltd. )
Dorasyn Yellow AGRL( D&G Dyes Inc. )
Dyacid Yellow RPN ( Albion Colours Ltd)
Egacid Yellow R (SBU Pigments and Dyes)
Fast Yellow (Simpsons (UK) Ltd)
Giallo Euramina R ( European Colour (Pigments) Ltd )
Heliacid Light Yellow RL ( S A des Ets. Steiner )
Lerui Acid Yellow E-PRL ( Rosi Chemical Co Ltd )
Multacid YellowR ( Multicrom SA )
Nylosan Yellow E-RPL( Clariant GmbH )
Optamine Yellow R( Frado )
Rifa Acid Fast Yellow E-RPL (Rifa Industrial Co Ltd)
Sipamin Yellow R(SIPO Srl)
Suminol Fast Yellow R ( Sumitomo Chemical Co. Ltd )
Tertracid Supra YellowR(Yorkshire Group pic)
Tertroxyl Fast Yellow R (Yorkshire Group pic)
Triacid Fast Yellow R (Chemische Fabriek Triade BV)
Vicoacid Yellow 25 (Victory Colour Chem Industries)
Yellow R ( Modern Dyestuffs & Pigments Co Ltd )