Solvent Red 43 CAS:15086-94-9
| Catalog Number | XD90484 |
| Product Name | Solvent Red 43 |
| CAS | 15086-94-9 |
| Molecular Formula | C20H6Br4Na2O5 |
| Molecular Weight | 691.854 |
| Storage Details | Ambient |
| Harmonized Tariff Code | 32041919 |
Product Specification
| Appearance | orange to red powder |
| Assay | 95% |
| Melting point | 295°C |
The varieties of bromofluorescein cosmetic dyes are 4', 5'-dibromofluorescein, 2', 4', 5', 7'-tetrabromofluorescein, 2', 4', 5', 7'- Tetrabromo-4,7-dichlorofluorescein, 2',4',5',7'-tetrabromo-4,5,6,7-tetrachlorofluorescein. These four dyes and their respective two Chemicalbook sodium salt dyes or lakes are permitted for cosmetic coloration. Among them, 2', 4', 5', 7'-tetrabromofluorescein is Solvent Red 43, also known as 2', 4', 5', 7'-tetrabromo-3', 6'-dihydroxyspiro[iso Benzofuran-1(3H), 9'(9H)-Zhanthene]-3-one, which is a dye and pigment
Use: Biochemical research
purposes : biological dyes. Adsorption indicator, determination of fluoride ion, quantitative analysis and titration of bromide ion and iodide ion. Azure B Eosin stock solution preparation.
