ACID YELLOW 40
- CAS NO.：6372-96-9
- Empirical Formula: C23H19ClN4O7S2.Na
- Molecular Weight: 584.98
- MDL number: MFCD00003117
- EINECS: 228-907-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-20 15:44:43
What is ACID YELLOW 40?
The Uses of ACID YELLOW 40
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 | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4-5 | 1 | 4 | 4-5 | 1 | 3 | 4-5 | 4 |
| AATCC | 5 | 2-3 | 2-3 | 4-5 | 2 | 2 | 3 | 3 |
Properties of ACID YELLOW 40
| EPA Substance Registry System | C.I. Acid Yellow 40 monosodium salt (6372-96-9) |
Safety information for ACID YELLOW 40
Computed Descriptors for ACID YELLOW 40
New Products
3-AMINO-3-(2-FLUORO-PHENYL)-PROPIONIC ACID Pentadecanoic acid Hendecanoic acid 2-AMINO-3-METHYLQUINOLINE HYDROCHLORIDE 3-Hydroxypropionitrile DL-3-Amino-3-(2-methoxyphenyl)propionic acid 5-Bromo-2-Fluoropyridine 2,3-Diamino-5-Chloropyridine 2-Amino-3-Hydroxypyridine 2,6-Diamino Pyridine 4-Amino-2-Chloropyridine 2-Hydroxy-4-Picoline 4-(4-(Dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl)-3-(hydroxymethyl)benzonitrile 4-Bromo-3-(ethoxymethyl)benzoic acid 2,4-Dichloro-5-methoxyaniline 4,6-Dichloro-2-(propylthio)pyrimidin-5-amine N2-Isobutyryl-2'-O-methylguanosine 2-chloro-5-methylpyridin-4-amine 4-Bromobenzaldehyde 2-Chloro-6-nitro benzothiazole 2-Amino-4-phenyl-thiazole 4-Chloro-2-methyl quinoline 2-(Chloromethyl) quinazolin-4(3H)-one 5-Phenyl-[1,3,4]-thiadiazol-2-amineRelated products of tetrahydrofuran
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