| 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.
|
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
|
|
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
|
4-5
|
1
|
4
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4-5
|
1
|
3
|
4-5
|
4
|
|
AATCC
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5
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2-3
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2-3
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4-5
|
2
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2
|
3
|
3
|
|
|
| Company Name: |
Alfa Chemistry
|
| Tel: |
1-516-6625404 |
| Website: |
https://www.alfa-chemistry.com |
| Company Name: |
SIGMA-RBI
|
| Tel: |
800 736 3690 (Orders) |
| Website: |
www.sigma-aldrich.com |
|