Chinese english Japanese Germany Korea

Acid Brown 21

Acid Brown 21 Structure
CAS No.
61724-04-7
Chemical Name:
Acid Brown 21
Synonyms
Brown BRL;Acid Brown 21;C.I.AcidBlack21;NEUTER BROWN BRL;C.I.Acid Brown 21;Polfalan Brown TLN
CBNumber:
CB0969057
Molecular Formula:
C19H18N4O5S
Molecular Weight:
0
MOL File:
Mol file
Request For Quotation

Acid Brown 21 Chemical Properties,Uses,Production

Preparation

3-Amino-4-hydroxy-N-methylbenzenesulfonamide diazo, and N-(7-hydroxynaphthalen-1-yl)acetamide coupling, and the other will be 3-Amino-4-hydroxybenzenesulfonamide diazo, and 1-(4-Chlorophenyl)-3-methyl-1H-pyrazol-5(4H)-one?coupling, and then turn it into 1:2 chromium complex.

Properties and Applications

red light brown. Brown powder. The strong sulfuric acid for red sauce, diluted solution for red brown; No change in strong hydrochloric acid, diluted into shallow brown solution, and the precipitation; In the nitric acid for brown, sediment can dilute; In the thick of sodium hydroxide solution no change after dilute for brown. Water solution is brown. General for loose hair, tops and article polyamide, less used alone. Also used PVA fabric and dimension / cotton, wool / rayon blended fabric dyeing and printing, but also for leather dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6-7 5 5 5 5 5 4-5 4-5

Acid Brown 21 Preparation Products And Raw materials

Raw materials

1-Acetamido-7-hydroxynaphthalene 1-Acetamido-7-hydroxynaphthalene 2-Aminophenol-4-Sulfonmethylamide 3-Amino-4-hydroxybenzenesulphonamide 1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one

Preparation Products

Acid Brown 21 Suppliers

Global( 21)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
career henan chemical co +86-0371-86658258 +8613203830695 China 29826 58 Inquiry
Hefei TNJ Chemical Industry Co.,Ltd. 0551-65418671 China 34571 58 Inquiry
Wuhan kemike Biomedical Technology Co., Ltd 027-13163388153 13163388153 China 9969 58 Inquiry
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd. 18057151910 China 390 38 Inquiry
Qingdao Double-peach (QDP) Specialty Chemicals (Group) Co.Ltd, 0532-83733688 58761317 China 141 30 Inquiry
Foshan Nanhai Ligang Dye Chemical Co., Ltd 0757-85925640 China 397 34 Inquiry
Henan Vocas Biotechnology Co., Ltd 18537671377 China 5011 58 Inquiry
Ningbo Dynasty Chemical Co., Ltd 86 0574 56159999 China 1444 58 Inquiry
Jiangsu International Economic-Technical Cooperation Corp 025-83276340 China 201 42 Inquiry
Dynasty Colourants Co., Ltd. 86 0574 27862107 27862719 China 3306 51 Inquiry
Supplier Advantage
career henan chemical co 58
Hefei TNJ Chemical Industry Co.,Ltd. 58
Wuhan kemike Biomedical Technology Co., Ltd 58
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd. 38
Qingdao Double-peach (QDP) Specialty Chemicals (Group) Co.Ltd, 30
Foshan Nanhai Ligang Dye Chemical Co., Ltd 34
Henan Vocas Biotechnology Co., Ltd 58
Ningbo Dynasty Chemical Co., Ltd 58
Jiangsu International Economic-Technical Cooperation Corp 42
Dynasty Colourants Co., Ltd. 51

61724-04-7(Acid Brown 21)Related Search:

Cupric acetylacetonate Tris(2,4-pentanedionato)chroMiuM(III) N-BUTYLISOCYANIDE TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III) COBALT(II) ACETYLACETONATE
2,4-PENTANEDIONE, SILVER DERIVATIVE DICHLORO(ETHYLENEDIAMINE)PLATINUM(II) METHYL ISOCYANOACETATE Ethyl isocyanoacetate Benzyl isocyanide
SALCOMINE 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE TERT-BUTYL ISOCYANIDE PHENYLSELENOL Ferric acetylacetonate
TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III) Aluminum acetylacetonate Tosylmethyl isocyanide
chevron_left

1of4

chevron_right
C.I.AcidBlack21 NEUTER BROWN BRL Acid Brown 21 Brown BRL C.I.Acid Brown 21 Polfalan Brown TLN 61724-04-7 C19H18N4O5S