Excellent Chemical Stability and Solubility：Linear alkylbenzene (LAB) exhibits high chemical stability and solubility, ensuring reliable performance in various formulations and industrial processes.
High-Quality Surfactant Raw Material：As a key precursor for producing nonionic surfactants, LAB provides superior cleaning and emulsifying properties, making it ideal for detergent manufacturing.
Versatile Industrial Applications：LAB is widely used in producing laundry detergents, pickling agents, and other chemical products, highlighting its broad adaptability across industries.
Pure and Safe Physical Properties:This colorless to pale yellow liquid has a mild, distinctive odor and maintains consistent quality, ensuring efficiency and safety during production and use.
It typically appears as a white or off-white crystalline powder. It dissolves in organic solvents such as ethanol, chloroform, and dichloromethane, and also exhibits limited solubility in water. Ethyltriphenylphosphonium bromide is employed as a dyeing reagent, and like other phosphorus salts, it also demonstrates antiviral activity.
| 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) |
Ethyltriphenylphosphonium Bromide (ETPB) is a phase-transfer catalyst that accelerates the curing of phenolic-based epoxy resins, certain fluoroelastomer resins, and thermosetting powder coatings. It also serves as a catalyst in the synthesis of various organic compounds and functions as a pharmaceutical intermediate.
ETPB is utilized as a reactant in the synthesis of D-amino acids from L-cysteine-derived thiazolidines, Leiodolide A via aldol reactions, and in Horner–Wadsworth–Emmons olefination.
Additionally, it is applied in the preparation of cycloalkanoindolines through diastereoselective intramolecular inimo-ene reactions.
It is also employed as a reagent in solid-state metathesis polycondensation for producing alkyl-dipropenylthiophene monomers, as well as in Mizoroki–Heck cyclization and cascading Tsuji–Trost cyclization reactions.
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