C. I. Acid yellow 18
C. I. Acid yellow 18 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
- 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
- CAS:
- 6359-54-2
- MF:
- C17H13ClN4Na2O7S2
- MW:
- 0
- Mol File:
- 6359-54-2.mol
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C. I. Acid yellow 18 Usage And Synthesis
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 | |||