Product Name: | Chromophenol AS-BS |
Chemical name: | 2-hydroxy-3-naphthoyl-m-nitroaniline |
CAS No： | 135-65-9 |
Molecular formula: | C17H12N2O4 |
Molecular weight: | 308.29 |
appearance: | Yellow uniform powder |
Initial melting point of dry product: | ≥242℃ |
Purity: | ≥98% |
Application: | It is used for dyeing or printing of cotton and viscose fibers. It can also produce fast pigment and neutral pigment. |
Chromophenol is a coupling component of ice dyeing dyes, mainly used as a primer for dyeing and printing of cotton fibres and viscose fibres, but also for the preparation of fast pigment dyes and intermediates of organic dyes and pigments.
