Reactive Blue 2
Name:C.I.Reactive Blue 2,C.I.61211
Molecular Structure: anthraquinones
Molecular Formula:C29H17ClN7Na3O11S3
Molecular Weight: 840.11
CAS Registry Number:12236-82-7
Manufacturing Methods : 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2,5-Diaminobenzenesulfonic acid condensation, again with 2,4,6-Trichloro-1,3,5-triazine condensation, and 4-Aminobenzenesulfonic acid or 3-Aminobenzenesulfonic acid condensation.
Properties and Applications: bright blue. Blue powder, have good solubility in water, not sensitive to that fights. In dye bath of iron ion in color shade darker; Copper ions in colored light turned green. Used for cellulose fiber, polyamide, wool, silk dyeing and printing.
Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 6-7 | 4-5 | 5 | 4-5 | 5 | 4 | 5 |
List of Suppliers:
Reactive brilliant Blue K-3G
Taixing Jinji Dyestuff Co.,Ltd
Active Sky Blue 4Z(AOOT Khimprom)
Kayacion Blue A-B(Nippon Kayak u Co Ltd)
ProcionBlue HB( Imperial Chemical Industries )
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