Direct Fast Yellow RL

Direct Fast Yellow RL



Textile Dyestuffs

C.I.Direct Yellow 83

Molecular Structure: Double azo class

C.I.Direct Yellow 83,C.I.29061,CAS 82944-42-1,1083.92,C39H29N9Na4O15S4,Direct Yellow L-5R,Direct Fast Yellow L-5R,Direct Fast Yellow RL


Direct Yellow L-5R

Direct Fast Yellow L-5R

Direct Fast Yellow RL

Molecular Formula:C39H29N9Na4O15S4

Molecular Weight: 1083.92

CAS Registry Number:82944-42-1

Manufacturing Methods :  3-Aminonaphthalene-1,5-disulfonic acid diazo, and 2-Amino-4-methylanisole coupling, its product (2 Moore) and 2,4,6-Trichloro-1,3,5-triazine condensation, and hydrolysis residual chlorine.

Properties and Applications:  yellow. Brown powder. Soluble in water, slightly soluble in alcohol. The strong sulfuric acid for purple; In sodium hydroxide solution for orange in. Mainly used for cotton, hemp, such as glue of cellulose fiber dyeing and printing, and can be used as a type D dye used to polyester/cotton or polyester/stick blended fabric dyeing of a bath.




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