Acid Blue 158
- CAS NO.：6370-08-7
- Empirical Formula: C20H10CrN2NaO9S2-
- Molecular Weight: 561.41
- MDL number: MFCD00231009
- EINECS: 228-875-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is Acid Blue 158?
Preparation
4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and 8hydroxynaphthalene-1-sulfonic acid?coupling, and then with excessive sulfuric acid aqueous acid chromium solution common heating, in 115 ℃ : keep 7 hours, make dye create chromium complex.
Contact allergens
This azo dye has the Color Index nr. 14880. It is found in suture materials.
Properties and Applications
green light blue. Dark blue powder. Soluble in water solution for blue. Soluble in alcohol. The strong sulfuric acid for blackish green color, diluted into blue, in the thick of sodium hydroxide solution for purple. Copper ions in dyeing is dark.??Discharge and exhaust dyeing good. For wool dyeing, can also be used for silk, nylon and wool / nylon blended fabric dyeing, but also with cationic dyes in one bath dyeing wool / acrylic blends. Also for wool fabric direct printing and discharge printing. Particularly suitable for woolen fabrics and carpets dyeing, can also be used for leather coloring.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5-6 | 3 | 4 | 4 | 1-2 | 3-4 | ||
| AATCC | 5 | 2 | 2 | 3 | 1 | 4-5 | ||
Properties of Acid Blue 158
| EPA Substance Registry System | C.I. Acid Blue 158, disodium salt (6370-08-7) |
Safety information for Acid Blue 158
Computed Descriptors for Acid Blue 158
Acid Blue 158 manufacturer
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