dye|World dye variety

Name:C.I.Direct Blue 151,C.I.24175

Molecular Structure: Double azo class

C.I.Direct Blue 151,C.I.24175,CAS 110735-25-6,773.7,C34H25N5Na2O10S2,Copper Blue 2R,Direct Blue Light Fast R,Direct Copper Blue 2B

Molecular Formula:C₃₄H₂₅N₅Na₂O₁₀S₂

Molecular Weight: 773.7

CAS Registry Number:110735-25-6

Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, first and 4-Hydroxynaphthalene-1-sulfonic acid conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications:  red light blue. Blue-black powder. Soluble in water for blue purple or purple solution, and adequate soluble in ethanol for red light purple. The strong sulfuric acid in blue or green for Tracy blu-ray, diluted for purple. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick red or purple sodium hydroxide solution for red wine. Cellulose fiber of dyeing, dye devoured rate is very good, temperature in 100 ℃, the largest affinity, discharge the gender is good. When dyeing with copper sulphate treatment can improve a resistance fastness, with formaldehyde treatment can improve washing fastness. Mainly used for cotton, linen, rayon and other cellulose fibers, rayon / brocade fabric dyeing, leather and paper pulp can also be used for coloring.

List of Suppliers:

JinZhou Dyestuffs Plant Hebei

Copper Blue 2R(Hangzhou Dikai Chemical Co Ltd)

Cotton Blue CVB( ellenic Dyeworks SA )

Cuprodirect Blue CVS ( S A des Ets. Steiner )

Dinamine Copper Blue 2R( Dintex Dyechem Ltd )

Direct Blue Light Fast R ( Joint Stock Company ‘Coioros’ )

Direct Copper Blue 2B(Sinochem Tianjin Imp Exp Corp)

Direct Copper Blue 2B (Sinochem Hebei Imp & Exp Corp)

Direct Copper Blue 2B(Fenchem Enterprises Ltd)

Direct Copper Blue 2B (Shandong Qing Shun Chemical Co., Ltd.)

Direct Copper Blue 2R ( Sinochem Ningbo Imp & Exp Corp )

Direct Copper Blue 2R (Sinochem Jiangsu Wuxi Imp & Exp Corp)

Direct Copper Blue 2R (Nanjing Chemicals Import and Export Corp)

Direct Copper Blue 2R (Brighten Colorchem BV)

Direct Copper Blue CVB (Chemische Fabriek Triade BV)

Direct Coppersalt Blue 2R( Shandong Leling Huahong Dyes & Chemicals Co Ltd )

Dycosdirect Copper Blue 2R (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Eniacel Blue CVB( Enia Industries Quimicas S.A. )

Enianil Blue CVB ( Enia Industries Quimicas S.A. )

Pyrazol Blue FO( Clariant GmbH )

Sakoton Blue Light Fast KU( Sivashdky Dye Plant )