Direct Green 28
Name:C.I.Direct Green 28,C.I.14155
Molecular Structure: anthraquinones -Single azo class
Molecular Formula:C42H27N10Na3O11S2
Molecular Weight: 980.83
CAS Registry Number:6471-09-6
Manufacturing Methods : 2,4,6-Trichloro-1,3,5-triazine in turn and (1) 1-Amino-4-(4-aminophenylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid, (2) 4-Nitrobenzenamine diazo, and 2-Hydroxybenzoic acid coupling, and then to restore the azo dyes, (3)aniline for condensation.
Properties and Applications: yellow light green. Dark green powder. In the water solubility of 12.5 g/L (80 ~ 85 ℃), more sensitive to that fights, 90 ℃ in the solubility of 20 g/L for colourful fruit green light. Dye bath of copper ions in colored light to yellow (rank 2), and meet iron ion to yellow color a little dark (category 4), SDC classification for a class B. Cotton and glue neutral are level 2 white. Used for cotton, viscose, polyamide fiber, silk dyeing and printing directly, also used in leather, paper and cellulose fiber film color
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3 | 3 | 5-6 | 4 | 3-4 | ||
AATCC | 2-3 | 4 | 4-5 | 2 | 4-5 |
List of Suppliers:
Direct Fast Green 5GLL,Direct Fast Green 5GL
Direct Brilliant Green SV-4Zh (AOOT Khimprom)
Direct Green 5GL ( PT Polkrik Chemicals Co )
Dyrect Fast Green 5GD ( Albion Colours Ltd)
Green BE(Hangzhou Dikai Chemical Co Ltd)
Helion Green 5GL( Ciech SA )
Saturn Green L5G(SBU Pigments and Dyes)
Solar Green 5GL ( Clariant GmbH )
Solius Light Green 3G ( Frado )
Solophenyl Green 4GE( Ciba Specialty Chemicals Inc )
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