| Identification | Back Directory | [Name]
ACID YELLOW 40 | [CAS]
6372-96-9 | [Synonyms]
KI402
CI 18950
POLAR YELLOW
PolarR Yellow
ACID YELLOW 40
Polar Yellow 5G
Bucacid yellow 3g
Ext.D&C Yellow No.4
C.I. Acid Yellow 40
Polar Yellow (Ciba)
Acid Yellow 40 (C.I.)
Acid leather yellow g
Benzyl fast yellow gr
Benzyl fast yellow gnc
Acid leather yellow gr
acidyellow40(c.i.18950)
Belacid milling yellow 2g
C.I.Acid Yellow 40:C.I.18950
ACID YELLOW 40 ISO 9001：2015 REACH
benzenesulfonicacid,5-chloro-2-[4,5-dihydro-3-methyl-4-[[4-[[(4-methylphenyl)
sodium 5-chloro-2-(5-hydroxy-3-methyl-4-(4-((4-methylphenyl)sulphonyloxy)phenylazo)pyrazol-1-yl)benzenesulphonate
5-Chloro-2-[4,5-dihydro-3-methyl-4-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid sodium salt
Benzenesulfonic acid, 5-chloro-2-[4,5-dihydro-3- methyl-4-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl ]azo]-5-oxo-1H-pyrazol-1-yl]-, sodium salt | [EINECS(EC#)]
228-907-9 | [Molecular Formula]
C23H19ClN4O7S2.Na | [MDL Number]
MFCD00003117 | [MOL File]
6372-96-9.mol | [Molecular Weight]
584.98 |
| Hazard Information | Back Directory | [Uses]
To dye wool. In the isoln of polymyxin. | [Definition]
ChEBI: An organic sodium salt that is the monosodium salt of 5-chloro-2-[5-hydroxy-3-methyl-4-({4-[(4-methylbenzene-1-sulfonyl)oxy]phenyl}diazenyl)-1H-pyrazol-1-yl]benzene-1-sulfonic acid. | [Preparation]
4-Aminophenol?diazo, and 5-Chloro-2-(3-methyl-5-oxo-2H-pyrazol-1(5H)-yl)benzenesulfonic acid?coupling, and then and 4-Methylbenzene-1-sulfonyl chloride?reaction, make phenol hydroxyl esterification. | [Properties and Applications]
yellow. Pale yellow powder. Soluble in water, but soluble in ethylene glycol ether, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid dyes in yellow; In nitric acid in yellow. Its water solution yellow, add hydrochloric acid sodium hydroxide or no change. This product used for pure, thick wool clothing dyeing comb female?, also used for silk, polyamide fiber dyeing, wool knitting products of silk nets printing. Can also be used in leather color.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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|
Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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4-5
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1
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4
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4-5
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1
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3
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4-5
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4
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AATCC
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5
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2-3
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2-3
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4-5
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2
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2
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3
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3
|
|
|
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