Reactive Yellow 4
- CAS NO.：12226-45-8
- Empirical Formula: C20H15Cl2N6NaO6S2
- Molecular Weight: 593.39
- MDL number: MFCD00281452
- EINECS: 235-435-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is Reactive Yellow 4?
Preparation
3-Aminonaphthalene-1,5-disulfonic acid diazo, and?m-Toluidine coupling,and then??2,4,6-Trichloro-1,3,5-triazine?(1 Moore) condensation.
Properties and Applications
red light yellow. Deep yellow powder, solubility of 40 g/L (50 ℃). Available in low temperature solid color, suitable for cold dye. High reactivity, can be in 20 to 40 ℃ in alkaline medium solid color of the fibers, alkaline hydrolysis, not resistant to acid hydrolysis. Mainly used for cotton, silk, polyamide fiber and viscose, wool fiber dyeing and can be white. Can render cloth dyed ice dye printing.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 6 | 4-5 | 5 | ||||
Properties of Reactive Yellow 4
| EPA Substance Registry System | 1,5-Naphthalenedisulfonic acid, 3-[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-methylphenyl]azo]-, disodium salt (12226-45-8) |
Safety information for Reactive Yellow 4
Computed Descriptors for Reactive Yellow 4
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