Direct Blue 78
- CAS No.
- 2503-73-3
- Chemical Name:
- Direct Blue 78
- Synonyms
- C.I.34200;Helion Blue G;tetrasodium sa;Kayarus Blue G;Durazol Blue G;Dicorel Blue LV;Direct Blue 4GL;Direct Blue 4GLL;Ismafast blue 4GL;Triamin Blue 4GL.
- CBNumber:
- CB2875158
- Molecular Formula:
- C42H25N7Na4O13S4
- Molecular Weight:
- 1055.90608
- MDL Number:
- MFCD00230743
- MOL File:
- 2503-73-3.mol
- MSDS File:
- SDS
Density | 1.383[at 20℃] |
---|---|
vapor pressure | 0Pa at 25℃ |
Water Solubility | 10g/L at 20℃ |
LogP | -1 |
FDA UNII | V4U8LFJ9SL |
EPA Substance Registry System | C.I. Direct Blue 78, tetrasodium salt (2503-73-3) |
Direct Blue 78 Chemical Properties,Uses,Production
Preparation
2-Aminobenzene-1,4-disulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid first coupling, its product to diazo, and Naphthalen-1-amine second coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid third coupling.
Flammability and Explosibility
Not classified
Properties and Applications
blue. Soluble in water for blue, solubility of 15 g/L (60 ℃), 30 g/L (97 ℃), soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid in Red sauce for galleries to, diluted Red sauce for; In the light of nitric acid for palm gray. The dye solution to join strong hydrochloric acid for red light blue; Add thick sodium hydroxide solution for red light purple. Water-soluble good, colored light to blue. Dye in bath of copper, iron ion colored light basic unchanged. SDC classification for class B. Neutral white is very good, alkaline white. Mainly used for cotton or viscose dyeing and printing directly, and disperse dyestuffs with bath dyeing polyester/cotton blended fabric. Can also be used for paper, leather and biological dyeing.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4 | 4-5 | 4-5 | 2-3 | 2-3 | ||
AATCC | 5 | 4-5 | 5 | 3 | 3 |
Direct Blue 78 Preparation Products And Raw materials
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28172 | 58 |
Winchem industrial co limited | +86-0086-574-83851061 +86-13003762012 | lucyhu@win-chemical.com | China | 300 | 58 |
Dideu Industries Group Limited | +86-29-89586680 +86-15129568250 | 1026@dideu.com | China | 22883 | 58 |
GIHI CHEMICALS CO.,LIMITED | +8618058761490 | info@gihichemicals.com | China | 49979 | 58 |
Wuhan Fortuna Chemical Co.,Ltd | +8618007136271 | hk@fortunachem.com | China | 5998 | 58 |
Winchem Industrial Co. Ltd | 0574-83851061 | info@win-chemical.com | China | 500 | 55 |
Alfa Chemistry | 1-516-6625404 | support@alfa-chemistry.com | United States | 9171 | 60 |
Hubei Shishun Biotechnology Co. Ltd | 027-59223025 15107168801 | 1718480011@qq.com | China | 9867 | 58 |
Hubei Guangao Biotechnology Co., Ltd | 027-027-59223056 18162699093 | 1208480011@qq.com | China | 9924 | 58 |
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd | 17691182729 18161915376 | 1046@dideu.com | China | 10007 | 58 |