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Reactive Yellow 39

Name:C.I.Reactive Yellow 39,C.I.18976

Molecular Structure: Single azo class

C.I.Reactive Yellow 39,C.I.18976,CAS 12226-61-8,699.25,C19H12BrCl2N5Na2O8S2,Itowol Yellow 4GK,Lanasol Yellow 4G

C.I.Reactive Yellow 39,C.I.18976,CAS 12226-61-8,699.25,C19H12BrCl2N5Na2O8S2,Itowol Yellow 4GK,Lanasol Yellow 4G

Molecular Formula:C19H12BrCl2N5Na2O8S2

Molecular Weight: 699.25

CAS Registry Number:12226-61-8

Manufacturing Methods : 2-Amino-4-(2-bromoacrylamido)benzenesulfonic acid diazo, and 2,5-Bichloro-4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.

Properties and Applications: green light yellow. Green light yellow powder, 90 ℃ water solubility in for 100 g/L. For dyed in acid bath dyeing, pH control in 5 ~ 6 between, general join 1% of leveler PW-BX, dye bath temperature rise to 70 ~ 75 ℃ to heat preservation 15 to 16 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. Can be used for wool fiber, tops, scattered wool dyeing, also can be used for wool and silk printing.

Standard( wool ) Light Fastness Oxygen bleaching Persperation Fastness Soaping
Fading Stain Fading Stain Fading Stain
ISO 6 4(red) 5

List of Suppliers:

Itowol Yellow 4GK( LJ Specialities Ltd )

Lanasol Yellow 4G( Ciba Specialty Chemicals Inc )


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