Direct Yellow 18
Name:C.I.Direct Yellow 18,C.I.13930
Molecular Structure: Single azo,Benzothiazole class
Molecular Formula:C24H16N4Na2O7S2
Molecular Weight: 582.52
CAS Registry Number:10214-06-9
Manufacturing Methods : 2-(4-Aminophenyl)-7-sulfobenzo[d]thiazole-6-carboxylic acid diazo, and 3-Oxo-N-phenylbutanamide coupling.
Properties and Applications: colourful green light yellow. Soluble in water and ethanol lemon yellow. The strong sulfuric acid for golden brown, after dilute for lemon yellow. The dye solution to join strong hydrochloric acid for lemon yellow; Add thick sodium hydroxide solution for golden brown. Used for cellulose fiber dyeing, paper and soap kind of color. Good levelness, fights for a slight sensitive.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3 | 4 | 2 | 1-2 | 2 |
List of Suppliers:
Benzo Pure Yellow FF( Bayer Group )
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