Direct Brown 227
- Molecular Weight: 0
What is Direct Brown 227?
Preparation
4-Amino-N-(4-aminophenyl)benzamide double nitriding, first coupled with 2-Hydroxybenzoic acid , again and 4-Aminobenzenesulfonic acid diazo, in acid conditions and Benzene-1,3-diamine match-mismatch things coupled.
Properties and Applications
Red light brown.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 2 | 3 | 2 | 3-4 | 2-3 | ||
Safety information for Direct Brown 227
New Products
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