6359-85-9

Basic information

• Product Name: ACID YELLOW 25 (C.I. 18835)
• Synonyms: 1H-Pyrazole,5-oxo-4,5-dihydro-3-methyl-4-[[3-[(phenylamino)sulfonyl]-4-methylphenyl]azo]-1-(4-sulfophenyl)-,sodiumsalt;AcidolYellowGE;AcidYellowRN;AminylYellowE-RL;Benzenesulfonicacid,4-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]-,monosodiumsalt;C.1.AcidYellow25(18835);DiacidFastYellowR;ACID YELLOW 25 (C.I. 18835)
• CAS NO: 6359-85-9
• Molecular Formula: C23H20N5NaO6S2
• Molecular Weight: 549.55457
• EINECS: 228-810-1
• Product Categories: Organics;A;Stains and Dyes;Stains&Dyes, A to
• Mol File: 6359-85-9.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• Density: 1.5 g/cm3
• Water Solubility: 73.7g/L at 20℃
• CAS DataBase Reference: ACID YELLOW 25 (C.I. 18835)(CAS DataBase Reference)
• NIST Chemistry Reference: ACID YELLOW 25 (C.I. 18835)(6359-85-9)
• EPA Substance Registry System: ACID YELLOW 25 (C.I. 18835)(6359-85-9)

Safety Data

• WGK Germany: 3
• Hazardous Substances Data: 6359-85-9(Hazardous Substances Data)

Usage

Preparation

5-Amino-2-methyl-N-phenylbenzenesulfonamide?diazo, and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.

Flammability and Explosibility

Notclassified

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

Standard

Light Fastness

Fading

Stain

ISO

5-6

AATCC

6-7

InChI:InChI=1/C23H21N5O6S2.Na/c1-15-8-9-18(14-21(15)35(30,31)27-17-6-4-3-5-7-17)24-25-22-16(2)26-28(23(22)29)19-10-12-20(13-11-19)36(32,33)34;/h3-14,27,29H,1-2H3,(H,32,33,34);/q;+1/p-1/b25-24-;