4,5,5',7,7'-Pentabromo-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt
- CAS NO.：10126-84-8
- Empirical Formula: C16H8Br5N2NaO8S2
- Molecular Weight: 842.88
![4,5,5',7,7'-Pentabromo-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt Structural](https://img.chemicalbook.in/CAS/20180808/GIF/10126-84-8.gif)
What is 4,5,5',7,7'-Pentabromo-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt?
Preparation
(a) in the presence of ?Pyridine , with Chlorosulfonic acid treatment C.I. 73070 leuco: (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing C.I. 73070. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications
blue. Water-soluble blue. Dyes may contain soluble vat dyes C.I.73076,C.I.?Vat Blue 48 leuco.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| AATCC | 3 | 2-3 | 3-4 | 4 | 3 | ||
Safety information for 4,5,5',7,7'-Pentabromo-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt
New Products
2-Amino-5-bromo-4-(trifluoromethyl)pyridine Sulfapyridine Fmoc-OSu (R)-(-)-2-Amino-1-propanol Cyclobutanone 5-bromo-4-fluoro-2-nitrobenzaldehyde β-Bromostyrene Ethyl 3-phenylpropanoate Phenethyl cinnamate 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 2-Pentyn-1-oL 4-Nitrobenzotrifluoride N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamideRelated products of tetrahydrofuran
![[2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium salt](https://img.chemicalbook.in/CAS/20200119/GIF/5156-38-7.gif)
![5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt](https://img.chemicalbook.in/CAS/20180808/GIF/6537-70-8.gif)
![disodium 5-chloro-2-[4-chloro-1-(sulphonatooxy)-2-naphthyl]-7-methoxy-4-methyl-1H-indol-3-yl sulphate](https://img.chemicalbook.in/CAS/GIF/4086-05-9.gif)
![disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate](https://img.chemicalbook.in/CAS/20180808/GIF/2702-33-2.gif)
![[2,2'-Bibenzo[4,5]phenaleno[1,9-bc]thiophene]-5,5'-diol, bis(hydrogen sulfate), disodium salt](https://img.chemicalbook.in/CAS/20211123/GIF/10126-85-9.gif)
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