Acid Black 26
- CAS NO.：6262-07-3
- Empirical Formula: C32H21N5O7S2.2Na
- Molecular Weight: 697.658
- EINECS: 228-412-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-10-23 17:25:30
What is Acid Black 26?
Preparation
5-Amino-2-(phenylamino)benzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
navy blue light to dark. Blue-ray black powder. Soluble in water, in 90 ℃ water solubility of 100 g/L, slightly soluble in ethanol and acetone. The strong sulfuric acid dyes for purple, diluted to blue. The water solution is blue. Discharge sex is good. Used for wool, polyamide fiber, silk and wool blended fabric dyeing, also can be used for leather color. This product is suitable for the dye scattered hair, tops, yarn. Dye, is the best.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 3-4 | 1 | 4-5 | 4 | 1 | 4-5 | 3 |
| AATCC | 5 | 3 | 3 | 4-5 | 4 | 4 | 4 | 4 |
Properties of Acid Black 26
| Boiling point: | 280℃[at 101 325 Pa] |
| Density | 1.364-1.471[at 20℃] |
| vapor pressure | 0-0Pa at 25℃ |
| Water Solubility | 67.3-92.84g/L at 20℃ |
| EPA Substance Registry System | C.I. Acid Black 26, disodium salt (6262-07-3) |
Safety information for Acid Black 26
Computed Descriptors for Acid Black 26
Acid Black 26 manufacturer
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