Reactive Blue BRF
Textile Dyestuffs
C.I.Reactive Blue 221
Molecular Structure: Formazan
Molecular Formula:C33H24ClCuN9Na3O15S4
Molecular Weight: 1082.83
CAS Registry Number:93051-41-3/89933-65-3
Manufacturing Methods :
Properties and Applications: Blue. Blue powder. Soluble in water. Used for cotton, viscose dyeing, also suitable for polyester/cotton, polyester/stick blended fabric dyeing of a bath.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 5 | 5 | 5 | 4-5 | 5 | ||