Direct Yellow 7GFF Name:C.I.Direct?Yellow?96 Molecular Structure:?Stilbenes,Triazole class Molecular Formula: Molecular Weight: CAS Registry Number:61725-08-4 ? 1.Properties and Applications:?Bright?green?light yellow. Tender yellow powder, soluble in water. The strong sulfuric acid dyes to purplish?red?color, diluted into deep yellow; In strong hydrochloric acid for of yellow, diluted into a?brown, precipitation; In the thick of sodium hydroxide solution not dissolve, diluted for yellow. The dye solution to join strong sulfuric acid into deep yellow; Join dilute sulphuric acid color becomes dark; Join after strong hydrochloric acid turn to deep; Sodium hydroxide solution to dilute the same color. Water-soluble is very good. In dyeing copper and iron ion color first obvious to become red. Can be used for cotton, viscose and blended fabric, wool dyeing and printing directly, not normally used for discharge. Also used in paper and leather color. ? ? Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 3-4 4-5 3 3-4 3-4 4 1-2 ? 2.International similar brand Direct Yellow 7GFF Direct Flavine 7GFF ACDI Flavine 7G-FF 500% Best Direct Flavine 7GFF Leadirect Brilliant Flavine Yellow 7GFF Orcolitefast Brilliant Yellow 8 GFF Solophenyl Havine 7GFE