C. I. Acid yellow 18

CAS No.
6359-54-2
Chemical Name:
C. I. Acid yellow 18
Synonyms
C.I.19020;Acid Yellow 18;Supracen Yellow G;C. I. Acid yellow 18;C.I.Acid Yellow 18:C.I.19020;3-chloro-5-methyl-4-[3-methyl-5-oxo-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazol-1-yl]benzenesulfonate;3-Chloro-4-[4,5-dihydro-3-methyl-5-oxo-4-[(4-sulfophenyl)azo]-1H-pyrazol-1-yl]-5-methylbenzenesulfonic acid disodium salt
CBNumber:
CB71452438
Molecular Formula:
C17H13ClN4Na2O7S2
Molecular Weight:
0
MDL Number:
MOL File:
6359-54-2.mol

C. I. Acid yellow 18 Chemical Properties,Uses,Production

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

C. I. Acid yellow 18 Preparation Products And Raw materials

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 3-chloro-5-methyl-4-[3-methyl-5-oxo-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazol-1-yl]benzenesulfonate Acid Yellow 18 C.I.Acid Yellow 18:C.I.19020 6359-54-2 C17H13ClN4Na2O7S2