C.I. Direct Blue, heptasodium salt
- CAS NO.：6428-41-7
- Empirical Formula: C52H38N11NaO25S7
- Molecular Weight: 1464.34
- EINECS: 613-554-9
What is C.I. Direct Blue, heptasodium salt?
Preparation
5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? (2 Moore) coupled, then double nitriding, and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupled:
Properties and Applications
navy blue. Soluble in water for dark red light blue, insoluble in organic solvents. The strong sulfuric acid for blue-ray gray, diluted dark purple solution for blue-ray, and accompanied by precipitation; In 10% of sulfuric acid for shallow dark. The dye solution to join 10% sodium hydroxide solution for shallow dark.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| AATCC | 5 | 5 | 5 | 3 | 5 | ||
Safety information for C.I. Direct Blue, heptasodium salt
New Products
Cyclobutanone (R)-(-)-2-Amino-1-propanol Fmoc-OSu 5-bromo-4-fluoro-2-nitrobenzaldehyde 2-Amino-2-(4-methylphenyl)acetic acid 1-(2-Chloroethyl)pyrrolidine Hydrochloride 2,4-Dihydroxybenzaldehyde Obidoxime hydrochloride API Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, sodium salt (1:1), (6S) Dipropyl disulfide N-Vinylformamide 4 pentyn 1 ol Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 2-Butyn-1-oL N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. 2-Pentyn-1-oL 4-Nitrobenzotrifluoride N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamideRelated products of tetrahydrofuran
![4-Amino-5-hydroxy-6-[[4'-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-1,3-disulfonic acid disodium salt](https://img.chemicalbook.in/CAS2/GIF/6426-76-2.gif)
![6'-Amino-1'-hydroxy-4-[[4-[(3-sodiosulfophenyl)azo]-1-naphthalenyl]azo][1,2'-azobisnaphthalene]-3',7-disulfonic acid disodium salt](https://img.chemicalbook.in/CAS/GIF/6416-70-2.gif)
You may like
-
7250-67-1 1-(2-Chloroethyl)pyrrolidine Hydrochloride 98+View Details
7250-67-1 -
13227-01-5 98+View Details
13227-01-5 -
7250-67-1 1-(2-Chloroethyl)pyrrolidine Hydrochloride 98+View Details
7250-67-1 -
13227-01-5 98+View Details
13227-01-5 -
545445-44-1 3-Morpholino-1-(4-(2-oxopiperidin-1-yl) phenyl)-5,6-dihyropyridin-2-(1H)-one 98%View Details
545445-44-1 -
6629-04-5 98%View Details
6629-04-5 -
4-(4-Αminophenyl)-3-Morpholinone 98%View Details
438056-69-0 -
1-(4-Aminophenyl)-3-morpholino-5,6-dihydropyridin-2(1H)-one 1267610-26-3 98%View Details
1267610-26-3
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.