Product Description
Ethyltriphenylphosphonium bromide (CAS No. 1530-32-1) is an organic phosphonium salt that appears as a white or slightly off-white crystalline powder. It features good chemical stability and compatibility with a variety of organic solvents, including ethanol, chloroform, and dichloromethane, while showing limited solubility in aqueous systems.
Due to its unique phosphonium structure and chemical properties, ethyltriphenylphosphonium bromide is widely used as a functional reagent in dyeing-related applications and serves as an important material in organic chemistry research. Similar to other phosphorus-containing salts, it also demonstrates biological activity, providing potential value in pharmaceutical and biochemical studies.
| Product Name: | Ethyltriphenylphosphonium bromide |
| Synonyms: | Ethyltriphenylbromophosphine;ethyltriphenyl-phosphoniubromide;Ethyl(trisphenyl)phosphonium bromide;Ethyl triphenyl phosphoniuM broMide (ETPB);TEP (oniuM coMpound);ETHYLTRIPHENYLPHOSPHONIUM BRIMIDE;ethyl triphenylphosphoiuum bromide;ETHYLTRIPHENYLPHOSPHONIUM BROMIDE 99+% |
| CAS: | 1530-32-1 |
| MF: | C20H20BrP |
| MW: | 371.25 |
| EINECS: | 216-223-3 |
| Product Categories: | Phosphonium SaltsC-C Bond Formation;Greener Alternatives: Catalysis;C-C Bond Formation;Olefination;Wittig Reagents;Phase Transfer Catalysts;Phosphonium Compounds;Synthetic Organic Chemistry;Wittig & Horner-Emmons Reaction;Wittig Reaction;organophosphorus compound |
| Mol File: | 1530-32-1.mol |
Ethyltriphenylphosphonium bromide 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) |
Product Application of Ethyltriphenylphosphonium Bromide (ETPB) CAS No. 1530-32-1
Ethyltriphenylphosphonium bromide (ETPB) is a versatile organophosphorus compound widely used as a phase-transfer catalyst and synthetic reagent in chemical manufacturing and research. It plays an important role in accelerating the curing process of phenolic epoxy resins, selected fluoroelastomer systems, and thermosetting powder coatings, improving processing efficiency and material performance.
In organic synthesis, ETPB serves as an effective catalyst and reaction promoter for the preparation of various organic compounds and pharmaceutical intermediates. It is involved in numerous synthetic transformations, including the conversion of L-cysteine-derived thiazolidines into D-amino acids, aldol-based synthesis of complex natural products such as Leiodolide A, and Horner–Wadsworth–Emmons olefination reactions.
Furthermore, ethyltriphenylphosphonium bromide is applied in advanced synthetic methodologies, including the diastereoselective intramolecular imino-ene synthesis of cycloalkanoindolines. It is also utilized as a functional reagent in solid-state metathesis polycondensation for the preparation of alkyl-dipropenylthiophene monomers, as well as in Mizoroki–Heck cyclization and Tsuji–Trost cascade cyclization reactions.
With its excellent catalytic activity and broad reaction compatibility, ETPB is an important material in organic synthesis, polymer chemistry, pharmaceutical research, and specialty chemical development.
