Acid Brown 21
- Product Name
- 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
- Formula Weight
- 0
- MOL File
- Mol file
N-Bromosuccinimide Price
- Product number
- DYE0002514
- Product name
- ACID BROWN 21
- Purity
- 95.00%
- Packaging
- 5MG
- Price
- $505.9
- Updated
- 2021/12/16
Acid Brown 21 Chemical Properties,Usage,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
Preparation Products
Acid Brown 21 Suppliers
- Tel
- 400-0066400 13621662912
- Fax
- 021-55660885
- 422131432@qq.com
- Country
- China
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- 9986
- Advantage
- 55
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- 0551-65418671
- Fax
- 0551-65418697
- sales@tnjchem.com
- Country
- China
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- 34572
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- Tel
- +86-0371-86658258 15093356674;
- Fax
- 0086-371-86658258
- factory@coreychem.com
- Country
- China
- ProdList
- 29826
- Advantage
- 58
- Tel
- 027-13163388153 13163388153
- yeqiu416@163.com
- Country
- China
- ProdList
- 9979
- Advantage
- 58
- Tel
- 0185-37671377 18537671377
- Fax
- QQ3487632979
- vocas@foxmail.com
- Country
- China
- ProdList
- 5011
- Advantage
- 58
View Lastest Price from Acid Brown 21 manufacturers
- Product
- Acid Brown 21 61724-04-7
- Price
- US $2.00/KG
- Min. Order
- 1KG
- Purity
- ≥98%
- Supply Ability
- 100kg
- Release date
- 2019-12-20