Mordant Black 9
- CAS NO.：2052-25-7
- Empirical Formula: C16H13N2NaO6S
- Molecular Weight: 384.34
- MDL number: MFCD00280914
- EINECS: 218-145-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 04:14:41
What is Mordant Black 9?
Preparation
3-Amino-4-hydroxybenzenesulfonic acid diazotization, and Naphthalene-1,5-diol coupling.
Flammability and Explosibility
Non flammable
Properties and Applications
black. Soluble in water for bordeaux red, right amount soluble in ethanol and Cellosolve (for product red), slightly soluble in Acetone. In concentrated sulfuric acid for purple brown to black, diluted into wine red; In concentrated nitric acid for the red light brown, then shallow. Dye aqueous solution to join concentrated hydrochloric acid for wine red; Join concentrated sodium hydroxide solution for red wine. Mainly used for wool, silk, nylon dyeing, but also can be used in the electrochemical aluminum, leather tinting.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4 | 8 | 5 | 4 | 5 | 5 | 5 |
| AATCC | 5 | 7 | 5 | 5 | 5 | 5 | |
Properties of Mordant Black 9
| Density | 1.54[at 20℃] |
| vapor pressure | 0Pa at 20℃ |
| pka | 0.69[at 20 ℃] |
| Water Solubility | 48g/L at 20℃ |
| CAS DataBase Reference | 2052-25-7(CAS DataBase Reference) |
| EPA Substance Registry System | C.I. Mordant Black 9, monosodium salt (2052-25-7) |
Safety information for Mordant Black 9
Computed Descriptors for Mordant Black 9
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