C.I. Acid Black 194
- CAS NO.：61931-02-0
- Empirical Formula: C20H12N3NaO7S
- Molecular Weight: 0
- MDL number: MFCD00278935
- Update Date: 2025-10-23 17:25:30
What is C.I. Acid Black 194?
Preparation
4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling, and then translate into 1:2 chromium complex.
Properties and Applications
ash to red and black. Dark brown powder, soluble in water. Used for wool, polyamide fiber, silk and their blended fabric dyeing and printing. Nylon fabric in good dye deep performance. Also can be used for leather color.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5 | 3-4 | 4-5 | 4-5 | 4-5 | |||
Properties of C.I. Acid Black 194
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| color | Black |
| Stability: | Hygroscopic, Light Sensitive |
| CAS DataBase Reference | 61931-02-0 |
| EPA Substance Registry System | C.I. Acid Black 194 (61931-02-0) |
Safety information for C.I. Acid Black 194
Computed Descriptors for C.I. Acid Black 194
C.I. Acid Black 194 manufacturer
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