Disperse Red 19
Name:C.I.Disperse Red 19,C.I.11130
Molecular Structure: Single azo class
Molecular Formula:C16H18N4O4
Molecular Weight: 330.34
CAS Registry Number: 2734-52-3
Manufacturing Methods : 4-Nitrobenzenamine diazo, and N,N-dihydroxyethylaniline coupling.
Properties and Applications: Yellow red .red powder. Soluble in ethanol, acetone and benzene. The strong sulfuric acid for yellow, diluted for brown; In strong hydrochloric acid for red, and then into a brown. Used for polyester, vinegar fiber, three vinegar fiber, polyamide, acrylic and their blended fabric dyeing, also used for sheep and plastic shading, hue for yellow light red.
| Standard | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4 | 4 | 5 | 5 | 4-5 | 5 | |
List of Suppliers:
Disperse Red R
Qingdao Double Peach Specialty Chemicals (Group) Co., Ltd.,
Disperse Red R( Sinochem Ningbo Imp & Exp Corp )
Hisperse Scarlet G( Tennants Textile Colours Ltd )
Tulasteron Fast Red R ( Atul Limited )



[…] C.I.Disperse Red 19 […]