dye|World dye variety

Name:C.I.Direct Orange 29,C.I.29155

Molecular Structure: Double azo class

C.I.Direct Orange 29,C.I.29155,CAS 6420-40-2,822.67,C34H21N6Na3O11S2,Fast Orange SE,Direct Orange WS,Direct Orange PWL

Molecular Formula:C₃₄H₂₁N₆Na₃O₁₁S₂

Molecular Weight: 822.67

CAS Registry Number:6420-40-2

Manufacturing Methods : aniline diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea, 3-Aminobenzoic acid diazo, and the generation of single accidentally coupled nitrogen compounds.

Properties and Applications: red light orange to yellow light was red. Red brown powder. Soluble in water for red orange to brown, 80 ℃ in the solubility of 10 g/L, slightly soluble in ethanol for gold orange. The strong sulfuric acid in red for product, after diluted to orange, red orange precipitation. The dye solution to join strong sodium hydroxide solution for orange brown; Add 10% sodium hydroxide solution slightly darker; With strong hydrochloric acid have red precipitate; Add 10% sulfuric acid had not changed. Hard to more sensitive. Used for cellulose fiber, silk, wool, polyamide fiber dyeing, fiber fabric printing, also can be used for leather color. Good Exhaust dyeing.

List of Suppliers:

ACDI Fast Orange SE (Aakash Chemicals & Dyestuffs Inc)

Aizen Direct Paper Orange EPH ( Hodogaya Chemical Co Ltd )

Direct Fast Orange WS( Frado )

Direct Orange PWL (Classic Dyestuffs Inc)

Direct Orange WS ( Global Colors Inc. )

Dirite Orange SE 200% ( Rite Industries Inc. )

Leadirect Orange SE 200%( Leadertech Colors Inc. )

Pyrazol Orange WS( Clariant GmbH )