BRILLIANT ORANGE H
- CAS NO.：52749-23-2
- Empirical Formula: C18H15N2NaO4S
- Molecular Weight: 378.38
- MDL number: MFCD00059907
- EINECS: 258-153-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-20 15:44:59
What is BRILLIANT ORANGE H?
The Uses of BRILLIANT ORANGE H
Acid Orange 17 can be used to determine the effect of dyeing on the thermal property of wool fiber.
Preparation
mix 2,4-Dimethylbenzenamine?diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
red light orange. Soluble in water for red light yellow. The strong sulfuric acid in orange, dilute appears after the orange precipitation, then yellow solution. In water solution to join hydrochloric acid have orange precipitation, diluted precipitation dissolve; Add sodium hydroxide for yellow brown after. Used for wool, silk fiber dyeing etc, also used in paints and dye paper.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3-4 | 2-3 | 2 | 1-2 | ||||
Properties of BRILLIANT ORANGE H
| Melting point: | >300°C |
| storage temp. | Refrigerator |
| solubility | Aqueous Acid (Slightly, Sonicated), DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| Colour Index | 16020 |
| color | Red to Dark Red |
| EPA Substance Registry System | 2-Naphthalenesulfonic acid, 5-[(dimethylphenyl)azo]-6-hydroxy-, monosodium salt (52749-23-2) |
Safety information for BRILLIANT ORANGE H
Computed Descriptors for BRILLIANT ORANGE H
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