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Direct Yellow 41

Name:C.I.Direct Yellow 41,C.I.29005

Molecular Structure: Double azo class

C.I.Direct Yellow 41,C.I.29005,CAS 8005-53-6,648.56,C28H22N6Na2O8S

C.I.Direct Yellow 41,C.I.29005,CAS 8005-53-6,648.56,C28H22N6Na2O8S

Molecular Formula:C28H22N6Na2O8S

Molecular Weight: 648.56

CAS Registry Number:8005-53-6

Manufacturing Methods : 4-Aminobenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupled to compounds (A); 4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, and then will the nitro reduction for amino, compound (B). Then will molecules of the A and B mixture light gasification.

Properties and Applications: red light yellow. Soluble in water for golden brown, slightly soluble in alcohol. The strong sulfuric acid for blu-ray red, diluted becomes shallow, with brown precipitation. The dye solution to join strong hydrochloric acid have sauce red precipitate; Add thick sodium hydroxide solution with gold orange precipitation. Used for cellulose fabric, silk, polyamide fiber fabric dyeing and printing, paper color

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4 5 2-3 2
AATCC 5 5 4 1 3

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