Disperse Red 137
Molecular Structure: Single azo class
429.52, C.I.Disperse Red 137, C19H19N5O3S2, CAS 12223-71-1
Molecular Formula:C19H19N5O3S2
Molecular Weight: 429.52
CAS Registry Number: 12223-71-1
Manufacturing Methods : 6-(Methylsulfonyl)benzo[d]thiazol-2-amine diazo, and N-(2-cyanoethyl)-N-(2-hydroxyethyl)benzeneamine coupling.
Properties and Applications: Colourful blue-ray red and blue light red. Used in vinegar fiber, three vinegar fiber, polyamide, acrylic dyeing and printing, general is not used for polyester.
| Standard(Vinegar fiber) | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| AATCC | 5 | 4-5 | 2-3 | ||||
| ISO | 5 | 5 | 6 | 5 | 3-4 | 4 | 3-4 |
List of Suppliers:
Akasperse Red 2B-GLF( Aakash Chemicals & Dyestuffs Inc. )
Eastone Brilliant Fast Red 2B-GLF ( Eastman Chemical Company )
Leadisperse Brilliant Fast Red 2B-GLFS ( Leadertech Colors Inc. )
Orcocil Fast Red 2B-GLF ( Organic Dyestuffs Corp )
Wrong Molecular Formula: C17H16C1N5O2 and C19H18N6O2S
must be C19H19N5O3S2
Thank you very much. Has changed.
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