Vat Brown 55
Name:C.I.Vat Brown 55,C.I.70905
Molecular Structure: anthraquinones
C.I.Vat Brown 55,C.I.70905,CAS 4465-47-8,1036.39,C63H30ClN5O9
Molecular Formula:C63H30ClN5O9
Molecular Weight: 1036.39
CAS Registry Number:4465-47-8
Manufacturing Methods : 6-Bromo-10,12-dichloronaphtho[2,3-c]acridine-5,8,14(13H)-trione with N-(5-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide (2 Moore) condensation, Then cyclized.
Properties and Applications: brown. Brown powder. Cotton fabric dyed with pale yellow to light brown. Alkaline reduction leuco for red brown; Acid reduction leuco for yellow brown. Can be used for cotton fabric direct dyeing, reserving, coloring discharge, also suitable for silk dyeing
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 7 | 4-5 | 5 | 4-5 | 5 | |
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