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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Direct Brown 223 |
| Synonyms: | Red Brown MM;Direct Brown 223;Direct Brown 223 ISO 9001：2015 REACH;DIRECT DEEP BROWN NM 100%,DIRECT BROWN 223 |
| CAS: | 76930-14-8 |
| MF: | |
| MW: | 0 |
| EINECS: | |
| Product Categories: | |
| Mol File: | Mol File |
| Preparation | 4-Amino-N-(4-aminophenyl)benzamide double nitriding,first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling. | |||||||||||||||||||
brown
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| Raw materials | Salicylic acid-->4,4'-Diaminobenzanilide-->6-Amino-4-hydroxy-2-naphthalenesulfonic acid |
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