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5-(2-Hydroxy-3-naphthoylamino)benzimidazol-2-one
| Product Code: | ASBI |
| Products name: | 5-(2-Hydroxy-3-naphthoylamino)benzimidazol-2-one |
| Category: | Dye intermediates |
| CAS NO.: | 26848-40-8 |
| Molecular formula: | C18H13N3O3 |
| Structural formula: | .jpg) |
| Quality Index: | ① Appearance: Yellow powder ② Purity (%): ≥99.0 ③ Loss on drying (%): ≤0.5 ④ Alkali insoluble matter (%): ≤1.0 ⑤ ABI Purity (%): ≤0.15 ⑥ 2,3 acid (%): ≤0.1 ⑦ PH: 7-7.5 |
| Uses: | The product is the special intermediate for benzimidazolone series of organic pigments, mainly for the synthesis of dark high-grade azo pigments, including C. I. Pigment Red 171,176,185,208, Pigment Purple 32, Pigment Brown 25, and so on more than ten kinds of important products. 5-Amino-2 (3H) -benzimidazolone synthesis of ASBI, can be used for the synthesis of pigment red 171,175,176,185,208, purple 33, brown 25 and other important products. |
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