| 摘要 |
<p>The compounds having the structure: wherein R 13 Cl, -CH3. -C2H5, -OCH3 or -OC2H5; R1 is -H, -Cl, -CH3,-C2H5, -OCH3 or -OC2H5; R2 is -H or -CH3; and M ls -H, -Na, -X,-Li, or -NH4 are useful a water-soluble acid dyes giving navy blue hues on nylon and other polyamide fibers and have good light fastness and wash fastness and dye nylon fibers over a wide pH range. They are capable of dyeing nylon efficiently at neutral and alakaline pH. They are also useful as dyes for natural polyamides such as silk and wool.</p> |
