DISPERSE YELLOW 9
Synonym(s):N-(2,4-Dinitrophenyl)-p-phenylenediamine;N-(2,4-Dinitrophenyl)-1,4-phenylenediamine
- CAS NO.：6373-73-5
- Empirical Formula: C12H10N4O4
- Molecular Weight: 274.23
- MDL number: MFCD00007851
- EINECS: 228-919-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:51:18
What is DISPERSE YELLOW 9?
The Uses of DISPERSE YELLOW 9
Disperse yellow 9 is a dye in terylene.
The Uses of DISPERSE YELLOW 9
Disperse Yellow 9 is an azo disperse dye which is water insoluble. Disperse Yellow 9 can be used to dye polyester and acetate fibers. Dyes and metabolites, Environmental Testing.
Preparation
Benzene-1,4-diamine and 1-Chloro-2,4-dinitrobenzene?condensation
Definition
ChEBI: Disperse yellow 9 is a nitroaniline.
Properties and Applications
Dark red light yellow. Insoluble in water, but soluble in ethanol for red light yellow. The strong sulfuric acid for brown, for yellow brown after diluted. Used for polyester, vinegar fiber, three vinegar, polyamide fiber dyeing of 66, also can used for the sheepskin, fur, plastic color.
| Standard | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4-5 | 3 | 5-6 | 5 | 5 | 5 | 4-5 |
Properties of DISPERSE YELLOW 9
| Melting point: | 187-190 °C(lit.) |
| Boiling point: | 417.22°C (rough estimate) |
| Density | 1.3424 (rough estimate) |
| refractive index | 1.6081 (estimate) |
| storage temp. | Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated, Sonicated) |
| pka | 4.22±0.10(Predicted) |
| form | neat |
| color | Dark Orange to Very Dark Orange |
| Water Solubility | 1.645mg/L(25 ºC) |
| EPA Substance Registry System | 1,4-Benzenediamine, N-(2,4-dinitrophenyl)- (6373-73-5) |
Safety information for DISPERSE YELLOW 9
Computed Descriptors for DISPERSE YELLOW 9
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