Disperse Brown 21
Molecular Structure: anthraquinones,Azo class
C.I.Disperse Brown 21,CAS 94945-21-8,498.53,C27H26N6O4
Molecular Formula:C27H26N6O4
Molecular Weight: 498.53
CAS Registry Number:94945-21-8
Manufacturing Methods : 1-Aminoanthracene-9,10-dione diazo, and 2,6-Bis(2-methoxyethylamino)-4-methylnicotinonitrile coupling.
Properties and Applications: red light brown.
| Standard(Polyester/cotton) | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4-5 | 5 | 4-5 | 5 | 4-5 | 4-5 | |
List of Suppliers:
Cellestren Brown 4R( BASF Aktiengesellschaft )
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