C.I. Sulphur Black 9
- CAS NO.：1326-97-2
- Empirical Formula: Unspecified
- Molecular Weight: 0
What is C.I. Sulphur Black 9?
Preparation
4-(2,4-Dinitrophenylamino)phenol of cold water suspension added to 95 ℃ of Sodium polysulfide solution when the reduction reaction is completed, in 114 ~ 115 ℃ reflux heating, then diluted, injection Ferrous chloride solution, and drum drying the mixture (FIAT 764)
Properties and Applications
blue black. In the Sodium sulfide solution for blue black
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 4-5 | 3-4 | 5 | ||||
Safety information for C.I. Sulphur Black 9
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