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Direct Orange 1

Name:C.I.Direct Orange 1,C.I.22370/22375/22403

Molecular Structure: Double azo class

C.I.Direct Orange 1,C.I.22370/22375/22403,CAS 54579-28-1,694,52,C29H17N6Na3O9S,Direct Fast Orange GR,Direct Orange G,Leather Orange GS

C.I.Direct Orange 1,C.I.22370/22375/22403,CAS 54579-28-1,694,52,C29H17N6Na3O9S,Direct Fast Orange GR,Direct Orange G,Leather Orange GS

Molecular Formula:C29H17N6Na3O9S

Molecular Weight: 694,52

CAS Registry Number:54579-28-1

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, respectively with 2-Hydroxybenzoic acid and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid (22370). 4-(4-Aminophenyl)benzenamine double nitriding, respectively with 2-Hydroxybenzoic acid  and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling (22375). Benzidine double nitriding, respectively with the 2-Hydroxy-3-methylbenzoic acid and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling (22430).

Properties and Applications:  yellow orange. Soluble in water for orange, slightly soluble in ethanol for bright yellow, and soluble in acetone and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for blu-ray red to purple, diluted red for yellow, with dark brown precipitation. The dye solution to join strong sodium hydroxide solution for big red.

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

List of Suppliers:

Apollo Nylon Fast Orange G ( Taiheung Corp )

Atul Direct Fast Orange GR( Atul Limited )

Atul Leather Orange DGR( Atul Limited )

Bitamine Direct Orange GR ( Bharat Texdyes Industries )

Direct Fast Orange GR(Amar Impex)

Direct Orange G( KCA Ltd )

Direct Orange GR( Sharda International )

Dyrect Orange PO( Albion Colours Ltd)

Goldamine Fast Orange GR( Golden Dyes Corpn (India) Pvt Ltd )

Rifa Acid Fast Orange G(Rifa Industrial Co Ltd)

Rifa Leather Orange GS(Rifa Industrial Co Ltd)

Vicorect Orange GR(Victory Colour Chem Industries)

 


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