dye|World dye variety

Name:C.I.Direct Red 1,C.I.22310

Molecular Structure: Double azo class

C.I.Direct Red 1,C.I.22310,CAS 2429-84-7,591.84,C30H19N5Na2O6,Direct Red F,Congo red,Congo red F,Direct Fast Red F

Molecular Formula:C₃₀H₁₉N₅Na₂O₆

Molecular Weight: 591.84

CAS Registry Number:2429-84-7

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxybenzoic acid coupling, again in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications: blue-ray red. Purple powder. Soluble in water for yellow light red, solubility of 40 g/L (85 ℃), slightly soluble in ethanol, acetone, soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid in blue, diluted to become Red, light Red sauce precipitation; In nitric acid for brown in the red. The dye solution to join strong hydrochloric acid for red light brown, have precipitation appear; Add thick sodium hydroxide solution is for palm orange. Cellulose fiber of dyeing, devoured performance is good, in the 80 ~ 100 ℃ maximum when affinity. This product to sensitive fights. Used for dyeing cotton or viscose, also can be used for direct printing of cotton or viscose to discharge printing color, also used for silk, wool, stick/hair, stick/cotton, leather and pulp dyeing, also can be used in the manufacture of organic pigment sediment color.

List of Suppliers:

Direct Red F,Congo red,Congo red F

Atul Direct Fast Red FB ( Atul Limited )

Atul Leather Red DFB ( Atul Limited )

Bitachrome Red FB ( Bharat Texdyes Industries )

Direct Fast Red F ( Golden Dyes Corpn (India) Pvt Ltd )

Direct Fast Red F ( Multicrom SA )

Direct Fast Red F (Sinochem Ningbo Imp & Exp Corp)

Direct Fast Red F (Amar Impex)

Direct Red MN (Colorom SA)

Fast Red F( ellenic Dyeworks SA )

Fast Red F(Monarch Dyestuffs Industries)

Multicuer Red F( Multicrom SA )

Rifa Direct Fast Red F(Rifa Industrial Co Ltd)