dye|World dye variety

Name:C.I.Direct Brown 2,C.I.22311

Molecular Structure: Double azo class

C.I.Direct Brown 2,C.I.22311,CAS 2429-82-5,627.54,C29H19N5Na2O7S,Direct Brown M,Direct Deep Brown MN,Direct Brown MR

Molecular Formula:C₂₉H₁₉N₅Na₂O₇S

Molecular Weight: 627.54

CAS Registry Number:2429-82-5

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  coupling.

Properties and Applications: red light brown. Brown powder. Soluble in water solution is a deep red light brown, soluble in ethanol is palm red light, soluble in soluble fiber element for red light brown, slightly soluble in acetone, insoluble in other organic solvents. The strong sulfuric acid for purple, diluted red light brown, precipitation; In nitric acid for orange brown. The dye solution to join strong hydrochloric acid for dark brown; Add thick sodium hydroxide solution for orange brown. Cellulose fiber of dyeing, dye devoured rate is good, the temperature of 60 to 80 ℃ in the biggest affinity, discharge of dyeing with copper sulfate after treatment, it can improve the color fastness. Mainly used for cotton, such as glue of cellulose fiber dyeing and printing directly, can also be used for the pulp, leather dyeing and manufacturing color pigment sediment.

List of Suppliers:
JinZhou Dyestuffs Plant Hebei

Apollo Direct Brown M ( Taiheung Corp )

Atul Direct Brown MR( Atul Limited )

Atul Direct Brown MY ( Atul Limited )

Atul Leather Brown DMR ( Atul Limited )

Bitamine Direct Brown MR ( Bharat Texdyes Industries )

Brown MR (Monarch Dyestuffs Industries)

Brown NM (Sinochem Liaoning Import & Export Corporation)

Concorde Direct Brown M ( I-HWA Industrial Corp )

Concorde Leather Brown MRD ( I-HWA Industrial Corp )

Condirec Brown B (Concord Commerce Company)

Direct Brown M ( Multicrom SA )

Direct Brown M ( PT Polkrik Chemicals Co )

Direct Brown M (Sinochem Hebei Imp & Exp Corp)

Direct Brown M (Sinochem Ningbo Imp & Exp Corp)

Direct Brown M (Nanjing Chemicals Import and Export Corp)

Direct Brown M 104A (Sinochem Tianjin Imp Exp Corp)

Direct Brown MM(Sinochem Ningbo Imp & Exp Corp)

Direct Brown MN (Sinochem Ningbo Imp & Exp Corp)

Direct Brown MR ( Asian Dyestuff Industries )

Direct Brown MR (Colorom SA)

Direct Brown MR ( Golden Dyes Corpn (India) Pvt Ltd )

Direct Brown MR (Amar Impex)

Direct Brown MR( Sharda International )

Direct Brown MY( Golden Dyes Corpn (India) Pvt Ltd )

Direct Deep Brown MN( Sinochem Tianjin Imp Exp Corp )

Direct Deep Brown MN (Shandong Qing Shun Chemical Co., Ltd.)

Direct Fast Brown M ( KCA Ltd )

Direct Fast Brown MR ( Day-Glo Color Corp. )

Dycosdirect Brown M (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Dyrect Brown MR ( Albion Colours Ltd)

Eniacel Brown Solid M ( Enia Industries Quimicas S.A. )

Enianil Brown Solid M ( Enia Industries Quimicas S.A. )

Eniavel Brown M ( Enia Industries Quimicas S.A. )

Leadirect Brown M-NB ( Leadertech Colors Inc. )

Multicuer Brown M ( Multicrom SA )

Pamanil Brown M-2 ( Pyosa Pigments )

Rifa Direct Brown M (Rifa Industrial Co Ltd)

Rifa Direct Brown MR(Rifa Industrial Co Ltd)

Ritadirect Brown M ( ritas Mensucat Boylari ve )

Simrect Brown 24867(Simpsons (UK) Ltd)

Vopsider Brown DMR(Colorom SA)