6359-91-7

Basic information

• Product Name: ACID YELLOW 29
• Synonyms: acidyellow29(c.i.18900);benzenesulfonicacid,4-chloro-3-[4,5-dihydro-3-methyl-5-oxo-4-[[3-[(phenylamin;Benzenesulfonicacid,4-chloro-3-[4,5-dihydro-3-methyl-5-oxo-4-[[3-[(phenylamino)sulfonyl]phenyl]azo]-1H-pyrazol-1-yl]-,monosodiumsalt;C.I.Acidyellow29;ACID YELLOW 29;CI 18900;Acid Yellow 29 (C.I.);sodium 3-chloro-4-(5-hydroxy-3-methyl-4-(3-(phenylaminosulphonyl)phenylazo)-1H-pyrazole-1-yl)benzenesulphonate
• CAS NO: 6359-91-7
• Molecular Formula: C22H17ClN5NaO6S2
• Molecular Weight: 569.97
• EINECS: 228-814-3
• Mol File: 6359-91-7.mol
• Article Data: 0

Chemical Properties

• Melting Point: 238 °C (dec.)(lit.)
• Appearance: Yellow/Powder
• CAS DataBase Reference: ACID YELLOW 29(CAS DataBase Reference)
• NIST Chemistry Reference: ACID YELLOW 29(6359-91-7)
• EPA Substance Registry System: ACID YELLOW 29(6359-91-7)

Safety Data

• Hazardous Substances Data: 6359-91-7(Hazardous Substances Data)

Usage

Preparation

3-Aminobenzenesulfonamide diazo, and 4-Chloro-3-(3-methyl-5-oxo4,5-dihydropyrazol-1-yl)benzenesulfonic acid?coupling.

Properties and Applications

yellow. Soluble in water for yellow, cooling solution is to mix, soluble in ethanol and acetone, insoluble in toluene. The strong sulfuric acid for yellow, diluted no precipitation. In the rare hydrochloric acid in aqueous solution to color; Join rare sodium hydroxide solution discoloration. Used for wool, silk, vinegar and polyamide fiber dyeing. But in the wool and silk printing directly on, also can used for leather color. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 6-7 2 4-5 4 1 1 4 AATCC 5-6 4-5 4-5 4-5 4

Standard

Light Fastness

Fading

Stain

ISO

6-7

AATCC

5-6

InChI:InChI=1/C22H18ClN5O6S2.Na/c1-14-21(22(29)28(26-14)20-13-18(36(32,33)34)10-11-19(20)23)25-24-16-8-5-9-17(12-16)35(30,31)27-15-6-3-2-4-7-15;/h2-13,24,27H,1H3,(H,32,33,34);/q;+1/p-1/b25-21-;