Reactive Red 84
Name:C.I.Reactive Red 84,C.I.13429
Molecular Structure: Single azo class
Molecular Formula:C26H19BrN4Na2O9S3
Molecular Weight: 753.53
CAS Registry Number:85187-33-3/61969-27-5
Manufacturing Methods : 2-methyl-5-(2′-amino-5′-bromo-phenyl sulfone acrylamido-yl) benzenesulfonic acid diazo, and 6-Aminonaphthalene-2-sulfonic acid coupling.
Properties and Applications: colourful red yellow light. Orange red powder. 90 ℃ water solubility in for 100 g/L. Suitable for dyeing in weak acid dye bath, pH control in 5 ~ 6 between, general join 1% of leveler PW-BX. This product can and wool Reactive yellow PW-4 G, blue PW-3 G spell color. Dye bath temperature rise to 70 ~ 75 ℃ to heat preservation 15 ~ 60 minutes, depending on the dyeing depth and decide. Such as dyeing depth greater than 10%, need to use liquid ammonia in post-processing, pH value of 8.5, time 15 minutes, temperature of 80 ℃. The dye levelness is bad, but good color fastness, dyeing fabrics after bright color. Used for wool fiber, tops, scattered wool dyeing, also can be used for wool, silk fabric printing.
Standard(wool) | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 6 | 4-5 | 4-5(95℃) | 5 |
List of Suppliers:
Itowol Red 6GN ( LJ Specialities Ltd )
Lanasol Red 6G ( Ciba Specialty Chemicals Inc )
Reactive Red 6GB( Radha Dye Chem )
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