Disperse Orange 31
- CAS NO.：61968-38-5
- Empirical Formula: C19H19N5O4
- Molecular Weight: 381.38
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:15:32
What is Disperse Orange 31?
Preparation
4-Nitrobenzenamine diazo, and 2-((2-Cyanoethyl)(phenyl)amino)ethyl acetate?coupling
Contact allergens
The synthetic azo dye Disperse Orange 31 was wrongly substituted by Disperse Orange 3 in patch test materials from Chemotechnique. This situation explains why a relatively low percentage of patients positive to PPD were positive to Disperse Orange 3, although a coreaction is explained to be very frequent because of skin transformation of Disperse Orange 3 into PPD.
Properties and Applications
Red orange, Yellow red. Dry red powder, insoluble in water. Apply to polyester and their blended fabric dyeing and printing. In the red orange polyester for, in the red for yellow nylon, in the vinegar on fiber for red orange.
| Standard | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4-5 | 2-3 | 5-6 | 5 | 5 | 4-5 | 5 |
Properties of Disperse Orange 31
| EPA Substance Registry System | Propanenitrile, 3-[[2-(acetyloxy)ethyl][4-[( 4-nitrophenyl)azo]phenyl] amino]-(61968-38-5) |
Safety information for Disperse Orange 31
Computed Descriptors for Disperse Orange 31
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