Vat Brown 25
Name:C.I.Vat Brown 25,C.I.69020
Molecular Structure: anthraquinones
C.I.Vat Brown 25,C.I.69020,CAS 6247-46-7,695.67,C43H25N3O7,Brown 5RF,Vat Brown 5RF
Molecular Formula:C43H25N3O7
Molecular Weight: 695.67
CAS Registry Number:6247-46-7
Manufacturing Methods : N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide and N-(5-chloro-4-methoxy-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide condensation, cyclization and then.
Properties and Applications: red light brown. Purple red powder. Insoluble in water. In concentrated sulfuric acid for purple solution, after dilution to red. Alkaline reduction leuco for red brown; Acid reduction leuco for brown. Used for cotton suspension pad dyeing, good levelness. Generally used in jig dyeing color matching, but also can be used for polyester/cotton, Fiber/cotton blended fabric, silk and viscose dyeing.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 5 | 5 | 7 | 5 | 5 | 5 | 5 |
| AATCC | 5 | 5 | 7-8 | 5 | 5 | ||
List of Suppliers:
Indanthrene Red Brown 5RP Pdr( Standard Dyes )
Ostanthren Brown 5RF (SBU Pigments and Dyes)
Trianthrene Brown 5RF(Chemische Fabriek Triade BV)
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