Acid yellow 38
- CAS NO.：13390-47-1
- Empirical Formula: C28H24N4Na2O8S3
- Molecular Weight: 686.69
- MDL number: MFCD00007487
- EINECS: 236-465-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:53:34
What is Acid yellow 38?
The Uses of Acid yellow 38
Acid Milling Yellow is an acid dye.
Preparation
2-(2-Sulfo-4-aminophenylthio)-5-aminobenzenesulfonic acid double nitriding, and phenol (2 Moore) coupling, and then under pressure to the hydroxyl ethyl with monomer (VCM).
Properties and Applications
yellow. Soluble in water and ethanol for green light yellow, slightly soluble in acetone. The strong sulfuric acid for cherry red, diluted into a green light yellow. In aqueous solution is to add strong hydrochloric acid have olive to yellow brown precipitation; Add thick sodium hydroxide solution yellowish after precipitation. Used for wool, silk, polyamide fiber dyeing and printing directly. Also used in paper and leather shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5 | 4-5 | 4 | 4 | 3-4 | 4 | 4-5 | |
| AATCC | 5 | 3-4 | 3-4 | 4 | 3-4 | 3-4 | 4-5 | |
Properties of Acid yellow 38
| EPA Substance Registry System | Benzenesulfonic acid, 2,2'-thiobis[5-[(4-ethoxyphenyl)azo]-, disodium salt (13390-47-1) |
Safety information for Acid yellow 38
Computed Descriptors for Acid yellow 38
New Products
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![sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate](https://img.chemicalbook.in/CAS/GIF/6359-74-6.gif)
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