Product Description
It is generally found as a white to off-white crystalline powder. It is soluble in organic solvents including ethanol, chloroform, and dichloromethane, while showing slight solubility in water. Ethyltriphenylphosphonium bromide is used as a dyeing reagent and, similar to other phosphorus-containing salts, exhibits antiviral properties.
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Chemical Properties
| Melting point | 203-205 °C(lit.) |
| Boiling point | 240℃[at 101 325 Pa] |
| Density | 1.38[at 20℃] |
| Vapor pressure | 0-0.1Pa at 20-25℃ |
| Fp | 200 °C |
| Storage temp | Inert atmosphere,Room Temperature |
| Solubility | 174g/l soluble |
| Form | Crystalline Powder |
| Color | White to off-white |
| Water Solubility | 120 g/L (23 ºC) |
| Sensitive | Hygroscopic |
| BRN | 3599630 |
| InChIKey | JHYNXXDQQHTCHJ-UHFFFAOYSA-M |
| LogP | -0.69--0.446 at 35℃ |
| CAS DataBase Reference | 1530-32-1(CAS DataBase Reference) |
| EPA Substance Registry System | Phosphonium, ethyltriphenyl-, bromide (1530-32-1) |
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Product Application
Ethyltriphenylphosphonium Bromide (ETPB) is a phase-transfer catalyst used to accelerate the curing of epoxy resins, fluoroelastomers, and thermosetting coatings. It also serves as a catalyst and pharmaceutical intermediate in organic synthesis.
ETPB is applied in various chemical reactions, including the synthesis of D-amino acids, Leiodolide A, cycloalkanoindolines, and other organic compounds through reactions such as aldol, olefination, and cyclization processes.
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