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3-Amino-4-Methoxy Benzamide (Red KL Base) (DB-20)
The red KL base, 3-Amino-4-Methoxybenzamide, produced by our works, is made from 3-niro-4-methoxy 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:
Usual name: Red KL Base (DB-20)
Molecular formula: C8H10O2N2
Molecular weight: 166
Quality Standards of The Red KL Base:
|
Description
|
Specification
|
| Appearance |
extreme light greyish white powder
|
| primary melting point of the dried |
≥155°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%
|
