p-Amino Benzamide
The newly-developed p-amino benzamide, produced by our works, is made from p-nitro benzoic acid by processes of condensation with ammonia and reduction. It is developer with higher fastness among ice dyestuffs and mainly used for printing of cotton, staple fibre and yarn of ramie, flax, etc. In the fields of dyeing, manufacturing of organic pigments, coloring of printing ink and coating printing-paste, it also finds application.
Structural Formula:
Molecular formula: C7H8ON2
Molecular weight: 136
Quality Standards of p-Amino Benzamide:
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|
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| Appearance |
light yellow powder |
| primary melting point of the dried |
≥169°C |
| content of 3-amino-4-methoxybenzamide |
≥99% |
| Insoluble matter in hydrochloric acid |
≤0.1% |
| Shade and strength when coupling with Naphthol As on cotton fibre |
similar to the standard |
| Percentage of screenings(80 mesh) |
≤0.5% |
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