6359-54-2

Basic information

• Product Name: C. I. Acid yellow 18
• Synonyms: C. I. Acid yellow 18;3-Chloro-4-[4,5-dihydro-3-methyl-5-oxo-4-[(4-sulfophenyl)azo]-1H-pyrazol-1-yl]-5-methylbenzenesulfonic acid disodium salt;C.I.19020;Supracen Yellow G
• CAS NO: 6359-54-2
• Molecular Formula: C17H15 Cl N4 O7 S2 . 2 Na
• Molecular Weight: 0
• Mol File: 6359-54-2.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: C. I. Acid yellow 18(CAS DataBase Reference)
• NIST Chemistry Reference: C. I. Acid yellow 18(6359-54-2)
• EPA Substance Registry System: C. I. Acid yellow 18(6359-54-2)

Safety Data

• Hazardous Substances Data: 6359-54-2(Hazardous Substances Data)

Usage

Preparation

4-Aminobenzenesulfonic acid?diazo, and 1-(2-Methyl-4-sulfo-6-chlorophenyl)-3-methyl-5-pyrazolone coupling.

Properties and Applications

green light yellow. This product is mainly used for the wool dyeing, also can be used for silk dyeing and wool and silk fabrics in direct printing. Dye can be in pH 4 ~ 7 dyed bath dyeing, dyeing temperature of 70 ~ 90 ℃. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 6 2 3-4 2-3 2-3

Standard

Light Fastness

Fading

Stain

ISO

6

InChI:InChI=1/C17H15ClN4O7S2.2Na/c1-9-7-13(31(27,28)29)8-14(18)16(9)22-17(23)15(10(2)21-22)20-19-11-3-5-12(6-4-11)30(24,25)26;;/h3-8,15H,1-2H3,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2