5-Acetoacetlamino benzimdazolone
Pharmaceutical Materials 2025-03-02
CAS Number: 26576-46-5
Molecular Formula: C11H11N3O3
Molecular Weight: 233.22 g/mol
Appearance: White to off-white powder or crystalline solid
Melting Point: 350°C
Usage: Mainly used in the dye (pigment) industry as a coupling component for synthesizing various pigments.
| Aspect | Details |
|---|---|
| Name | 5-Acetoacetamidobenzimidazolone |
| Common Synonyms | 5-(Acetoacetamido)benzimidazolone; N-(1H-Benzimidazol-5-yl)-3-oxobutanamide |
| CAS No. | 26576-46-5 |
| Molecular Formula | C₁₁H₁₁N₃O₃ |
| Molecular Weight | 233.23 g/mol |
| Physical Properties |
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| Chemical Properties | Features a benzimidazolone core substituted with an acetoacetamide group (-NHCOCH₂COCH₃) at the 5-position. The acetoacetamide moiety enables keto-enol tautomerism, enhancing its reactivity in nucleophilic addition and condensation reactions. The benzimidazolone ring contributes stability and color-forming potential. |
| Applications |
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| Safety Information |
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