Direct Black 56
- CAS No.
- 8003-57-4
- Chemical Name:
- Direct Black 56
- Synonyms
- Grey LBN;C.I. 34170;Solar Grey 2R;Solius Grey 2R;Direct Grey RLN;Saturn Grey LRN;Hispaluz Grey BR;Direct Black 56;Triamin Grey RLN;Pyrazol Grey RLN
- CBNumber:
- CB5969072
- Molecular Formula:
- C36H22N7Na3O10S3
- Molecular Weight:
- 877.76509
- MDL Number:
- MFCD00231190
- MOL File:
- 8003-57-4.mol
FDA UNII | 0YQ74MWC6Z |
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Direct Black 56 price More Price(2)
Direct Black 56 Chemical Properties,Uses,Production
Preparation
aniline diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling.
Properties and Applications
red light grey. Gray powder. Soluble in water for dark purple, not soluble in alcohol. The strong sulfuric acid in the green light for gray blue, diluted into purple. The dye solution to join strong hydrochloric acid have precipitation of dark; Add thick, hydrogen oxidation solution have dark purple precipitation. Cellulose fiber of dyeing, the dye well after sex is good, in the 80 ℃ temperature when the biggest affinity. Discharge sex is good, hard to sensitive. For the red light gray color. Dye in bath of copper, iron ion colored light basic unchanged, the SDC classification for a class B. Neutral and alkaline white are 5 levels. Mainly used for cotton, linen, silk, cellulose fiber fabrics such as glue the dyeing. Can also be used for leather, paper all the dyeing.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3 | 4 | 4-5 | 3 | 2 | ||
AATCC | 3 | 5 | 5-6 | 3 | 4 |
Direct Black 56 Preparation Products And Raw materials
Direct Black 56 Suppliers
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34571 | 58 |
AFINE CHEMICALS LIMITED | +86-0571-85134551 | info@afinechem.com | China | 15394 | 58 |
TIANJIN XIANGRUI DYESTUFF CO.,LTD | +undefined13902081959 | jinyanchun@xiangruidye.com | China | 83 | 58 |
Hu Bei Jiutian Bio-medical Technology CO.,Ltd | 027-88013699 17354350817 | Ryan@jiutian-bio.com | China | 7238 | 58 |
Shanghai Orgchem Co.,Ltd. | +86-21-5877 1921 | info@chemofchina.com | China | 9661 | 55 |
Hubei Lidu New Material Technology Co., Ltd. | 1917-1595131 19171595131 | 3168392538@qq.com | China | 702 | 58 |
Shaanxi Xihua Chemical Industry Co., Ltd | 17691182729 15529505138 | 1021@dideu.com | China | 9962 | 58 |
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