Acid yellow 65
- CAS NO.：6408-90-8
- Empirical Formula: C25H20N4O8S2.Na
- Molecular Weight: 591.57
- MDL number: MFCD00007491
- EINECS: 229-071-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:55:25
What is Acid yellow 65?
Preparation
2-(4-Aminophenylamino)-5-nitrobenzenesulfonic acid diazotization, coupling with o-Cresol, and then use Benzenesulfonyl chloride?phenol hydroxyl esterified.
Properties and Applications
light yellow dark red. Dark red light yellow powder. Soluble in water for yellow, soluble in ethanol, slightly soluble in acetone and toluene. The strong sulfuric acid dyes for purple. Discharge sex medium, in light of copper (micro have change, iron ion in the dark colored. Mainly used for wool, silk, polyamide fiber and wool blended fabric dyeing, printing, silk directly to discharge printing color. Can also be used for leather and soap color.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4-5 | 3 | 2 | 5 | 4 | 3 | 3 | 5 |
Properties of Acid yellow 65
| EPA Substance Registry System | Benzenesulfonic acid, 2-[[4-[[3-methyl-4-[(phenylsulfonyl)oxy]phenyl]azo]phenyl]amino]-5-nitro-, monosodium salt (6408-90-8) |
Safety information for Acid yellow 65
Computed Descriptors for Acid yellow 65
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