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Direct Fast Yellow 5GL
Category : Dyestuffs and Pigments/Direct Dyes
CAS NO : EC NO : MF : MW : Product description : Direct Fast Yellow 5GL Name:C.I.Direct Yellow 27,C.I.13950 Molecular Structure: Single azo class C.I.Direct Yellow 27,C.I.13950,CAS 10190-68-8,662.63,C25H20N4Na2O9S3,Direct Fast Yellow 5GL,Direct Fast Brilliant Yellow 5G,Direct Fast Brilliant Yellow 5GL,Direct Brilliant Yellow 5GL,Direct Brilliant Yellow L-4G Molecular Formula:C25H20N4Na2O9S3 Molecular Weight: 662.63 CAS Registry Number:10190-68-8 1.Properties and Applications: colourful green light yellow. Yellow powder. Soluble in water for lemon yellow, also soluble in soluble fiber element, soluble in ethanol, slightly soluble in benzene and carbon tetrachloride for orange, insoluble in other organic solvents. The strong sulfuric acid dyes for golden brown, diluted becomes shallow; In nitric acid solution for colourful yellow; In strong hydrochloric acid partly dissolved for the golden light orange. The dye solution to join strong hydrochloric acid has golden precipitation; Add thick sodium hydroxide solution with gold orange precipitation. Water-soluble is poorer. Copper ions in dyeing color shade basic unchanged, encounter iron ion colored light tiny have change (4 ~ 5 level), classification of A class SDC. Cotton and viscose neutral white are level 2, white alkaline are 4 levels. Used for cotton and glue dyeing and printing. Can also be used for silk, wool, polyamide fiber and its blended fabric dyeing, also used in leather and pulp color. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 3-4 3 5 1-2 1-2 AATCC 5 5 5 1 1 2.International similar brand Condirect Yellow BL Direct F. Light Yellow 5G Direct Fast Brilliant Yellow 5GL Direct Fast Light Yellow 5G Direct Fast Yellow 5GL Direct Flavine Yellow 5G Direct Light Yellow 6J Direct Yellow 7GL Dycosdirect Fast Brilliant Yellow 5GL Dyrect Fast Yellow 5GD Fast Light Yellow 5GL Synonyms : no data
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