Acid Brown 21
- 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
- MDL Number:
- MOL File:
- Mol file
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
Acid Brown 21 Suppliers
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
career henan chemical co | +86-0371-86658258 +8613203830695 | factory@coreychem.com | China | 29825 | 58 |
Hefei TNJ Chemical Industry Co.,Ltd. | 0551-65418671 | sales@tnjchem.com | China | 34571 | 58 |
Wuhan Fortuna Chemical Co.,Ltd | +8618007136271 | hk@fortunachem.com | China | 5827 | 58 |
Shanghai JONLN Reagent Co., Ltd. | 400-0066400 13621662912 | 422131432@qq.com | China | 9986 | 55 |
Wuhan kemike Biomedical Technology Co., Ltd | 13163388153 13163388153 | yeqiu416@163.com | China | 9952 | 58 |
Henan Vocas Biotechnology Co., Ltd | 18537671377 | vocas@foxmail.com | China | 5011 | 58 |
View Lastest Price from Acid Brown 21 manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
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2019-12-23 | Acid Brown 21
61724-04-7
|
US $2.00 / KG | 1KG | ≥98% | 100kg | Career Henan Chemical Co |
-
- Acid Brown 21
61724-04-7
- US $2.00 / KG
- ≥98%
- Career Henan Chemical Co
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