dye|World dye variety

Name:C.I.Direct Blue 15,C.I.24400

Molecular Structure: Double azo class

C.I.Direct Blue 15,C.I.24400,CAS 2429-74-5,992.81,C34H24N6Na4O16S4,Direct Blue B,Direct Sky Blue FB,Direct Sky Blue 5B

Molecular Formula:C₃₄H₂₄N₆Na₄O₁₆S₄

Molecular Weight: 992.81

CAS Registry Number:2429-74-5

Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid(2 Moore) coupled.

Properties and Applications:  blue. Blue powder. Soluble in water solution for the red light blue, solubility of 60 g/L (85 ℃), insoluble in organic solvents. Meet strong sulfuric acid as blue light green, diluted red for blue; Meet nitric acid solution for the red light gray. The dye solution to join strong hydrochloric acid for red light blue precipitation; Add thick sodium hydroxide solution for purple, have precipitation. Cellulose fiber of dyeing, the dye well after sex good, in 60 ~ 80 ℃ maximum of affinity, discharge the gender is good. Copper ions in dyeing color shade darker. Mainly used for cotton, such as glue the cellulose fibre,  silk and rayon / Kam fabric dyeing, also can be used for pulp, biological, film footage of dyeing, can also be used to make the ink.

List of Suppliers:

JinZhou Dyestuffs Plant Hebei

Tianjin Yadong Group

ACDI Sky 5B 200%(Aakash Chemicals & Dyestuffs Inc)

Apollo Direct Sky Blue 5B( Taiheung Corp )

Atul Direct Sky Blue ( Atul Limited )

Bitamine Direct Sky Blue FB ( Bharat Texdyes Industries )

Blue 5B (Hangzhou Dikai Chemical Co Ltd)

Blue 5BN ( Manuel Vilaseca SA )

Concorde Direct Sky Blue 5B ( I-HWA Industrial Corp )

Condirec Blue AE (Concord Commerce Company)

Direct Blue 5B ( Anilinas Americanas Versanil SRL )

Direct Blue FFN(Colorom SA)

Direct Blue for paper ( Joint Stock Company ‘Coioros’ )

Direct Fast Blue 5B(Sinochem Jiangsu Wuxi Imp & Exp Corp)

Direct Pure Blue ( S A des Ets. Steiner )

Direct Sky Blue 5B(Sinochem Tianjin Imp Exp Corp)

Direct Sky Blue 5B ( Indo Colchem Ltd )

Direct Sky Blue 5B (Sinochem Hebei Imp & Exp Corp)

Direct Sky Blue 5B (Sinochem Ningbo Imp & Exp Corp)

Direct Sky Blue 5B(Nanjing Chemicals Import and Export Corp)

Direct Sky Blue 5B (Brighten Colorchem BV)

Direct Sky Blue 5B(Fenchem Enterprises Ltd)

Direct Sky Blue 5B ( Global Colors Inc. )

Direct Sky Blue 5B(Shandong Qing Shun Chemical Co., Ltd.)

Direct Sky Blue FB ( Golden Dyes Corpn (India) Pvt Ltd )

Direct Sky Blue FF( Albion Dyestuffs Ltd )

Direct Sky Blue FF( Colour Industries )

Direct Sky Blue FF( National Dyechem Industries )

Direct Sky Blue FF ( Cosmonaut. Chemicals )

Direct Sky Blue FF( Jagson Colorchem Ltd )

Direct Sky Blue FF (Simpsons (UK) Ltd)

Direct Sky Blue FF( Day-Glo Color Corp. )

Dycosdirect Sky Blue 5B(Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Dyrite Sky Blue A 300%( Rite Industries Inc. )

Dyrite Sky Blue A 300%(Classic Dyestuffs Inc)

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

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

Enianil Brilliant Blue AN ( Enia Industries Quimicas S.A. )

Enianil Pure Blue AN ( Enia Industries Quimicas S.A. )

Eniavel Blue AN ( Enia Industries Quimicas S.A. )

Kayafect BlueC (Nippon Kayak u Co Ltd)

Kayafect Blue[Y](Nippon Kayak u Co Ltd)

Kayaku Direct Sky Blue 5B (Nippon Kayak u Co Ltd)

Levacell Blue S ( Bayer Group )

Nippon Kagaku Direct Paper Sky Blue 5BL( Kaseihin Kogyo Kyokai )

Rifa Direct Sky Blue 5B(Rifa Industrial Co Ltd)

Rifa Leather Blue SB (Rifa Industrial Co Ltd)

Shikiso Direct Sky Blue SB ( Kaseihin Kogyo Kyokai )

Simrect Sky Blue 24943 (Simpsons (UK) Ltd)

Sky BlueSB (United Chemie)

Sky Blue FB(Monarch Dyestuffs Industries)

Tertrodirect Blue FF(Yorkshire Group pic)

Vicorect Sky Blue FF(Victory Colour Chem Industries)

Vopsider Blue DFFN(Colorom SA)