dye|World dye variety

Name:C.I.Basic Brown 4,C.I.21010

Molecular Structure: Double azo class

C.I.Basic Brown 4,C.I.21010,CAS 8005-78-5/104744-50-5/68425-18-3,388.47,C21H24N8,Basic Brown RC

Molecular Formula:C₂₁H₂₄N₈

Molecular Weight: 388.47

CAS Registry Number:8005-78-5/104744-50-5/68425-18-3

Manufacturing Methods : based in 2 Moore’s deal with 3 Moore’s diazo, and 4-Methylbenzene-1,3-diamine hydrochloride (this product in the above may double the azo dyes as the main component of the mixture).

Properties and Applications: red light brown. For yellow brown is soluble in water, soluble in ethanol and soluble fiber element, slightly soluble in acetone, insoluble in benzene. The strong sulfuric acid for brown, diluted into a red light brown; In nitric acid solution for purple, to brown; In strong hydrochloric acid for purple solution (don’t). The dye solution to join strong hydrochloric acid for yellow brown; Add 10% sodium hydroxide solution into orange. Mainly used for silk, wool fabric dyeing, also used in leather and paper color

List of Suppliers:

Basic Brown RC Shandong Qing Shun Chemical Co., Ltd.

ABCOL Brown R Cone. ( Abbey Color Inc. )

Akoyl Bismark Brown R( Aakash Chemicals & Dyestuffs Inc. )

Astra Vesuvine B ( Bayer Group )

Atul Bismark Brown R ( Atul Limited  )

Atul Leather Bismark Brown BR ( Atul Limited  )

Basic Bismark Brown R ( Amar Impex  )

Basic Bismark Brown R( Chemicals and Dyestuffs Industries )

Basic Brown R ( Boruta – Kolor )

Basic Brown RC ( China Tianjin Tianshun Chemical Dyestuff Co Ltd )

Basic TSA Bismark Brown R ( Trade-Search Associates )

Basovict Bismark Brown R( Victory Colour Chem Industries )

Bismarck Brown ( Monarch Dyestuffs Industries )

Bismarck Brown GDC( Golden Dyes Corpn (India) Pvt Ltd )

Bismarck Brown R ( Anilinas Americanas Versanil SRL )

Bismarck Brown R ( Hellenic Dyeworks SA )

Bismarck Brown R ( Fiorio Colori SpA )

Bismarck Brown R( CA Ltd )

Bismarck Brown R ( Chemische Fabriek Triade BV )

Bismarck Brown R( Yorkshire Group pic )

Bismarck Brown RG( Anilinas Americanas Versanil SRL )

Bismark Brown R( Colour Industries )

Bismark Brown R ( Devarsons Industries Ltd )

Bismark Brown R( National Dyechem Industries )

Bismark Brown R ( Dye Specialities Inc )

Bismark Brown R ( Global Colors Inc. )

Bismark Brown R ( Simpsons (UK) Ltd )

Bismark Brown R Cone. ( Passaic Color & Chemical Co. )

Bismark Brown R Cone. Liq. ( Passaic Color & Chemical Co. )

Bismark Brown RP Conc ( Classic Dyestuffs Inc )

Bitasic Bismark Brown R ( Bharat Texdyes Industries )

Brown RC ( Hangzhou Dikai Chemical Co Ltd )

Elcozine Bismark Brown R Liquid( Classic Dyestuffs Inc )

Eniacel Brown Bismark RN ( Enia Industries Quimicas S.A. )

Kohinoorsic BismarkBrown ‘R’ ( Krishna Chemicals )

Leadacryl Bismark Brown R Ex. Conc.( Leadertech Colors Inc. )

Libbase Bismark Brown ( Liberty Exports Ltd )

Lowacryl Brown 4 ( Jos H Lowenstein & Sons Inc )

Paper Brown 3RP ( Chromatourgia Tripoleos SA )

Permacryl Bismark Brown R( Standard Dyes )

Phenylene Brown R ( S A des Ets. Steiner )

Pidibase Bismark Brown ( Pidilite Industries Ltd. )

Simbase Bismarck Brown R ( Simpsons (UK) Ltd )