Disperse Red 31
Name:C.I.Disperse Red 31,C.I.11250
Molecular Structure: Single azo class
C.I.Disperse Red 31,C.I.11250,CAS 2475-43-6,C14H14N4O3,286.29
Molecular Formula:C14H14N4O3
Molecular Weight: 286.29
CAS Registry Number: 2475-43-6
Manufacturing Methods : 4-Nitrobenzenamine diazo, and 2-Amino-4-methylanisole coupling
Properties and Applications: Brilliant Yellow red.Soluble in ethanol, acetone, benzene. The strong sulfuric acid for blu-ray in red, for the big red after diluted: used for vinegar fiber, polyamide fiber dyeing and printing, sheepskin and plastic shading, levelness and promote good rate.
| Standard | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 5 | 5 | 3-4 | 4-5 | 3 | ||
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