Reactive Red 221
Name:C.I.Reactive Red 221
Molecular Structure: Double azo class
C.I.Reactive Red 221,CAS 96726-27-1,1699.34,C57H35N16Na6O24S6,Reactive Red R-3B
Molecular Formula:C57H35N16Na6O24S6
Molecular Weight: 1699.34
CAS Registry Number:96726-27-1
Manufacturing Methods : 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid and 2,4,6-Trichloro-1,3,5-triazine condensation, again with Nicotinic acid condensation, the 2-Aminobenzenesulfonic acid diazo, and condensation product matches, and then generate a product (2 Moore) and Benzene-1,4-diamine condensation.
Properties and Applications: colourful red blue light. Rose red powder, soluble in water. Apply to blended fabric dyeing of a bath step, can be used for the high temperature of cotton fabrics fast stain, also used for Polyester/nylon, nylon/cotton, Polyester/silk and blended fabric dyeing.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| JIS | 4 | 4-5 | 4-5 | 4-5 | 4 | ||
List of Suppliers:
Reactive Red R-3B
Kayacelon React Red CN-3B( Rite Industries Inc. )
Kayacelon Reactive Red CN-3B(Nippon Kayak u Co Ltd)