Pentyltriphenylphosphonium bromide CAS 21406-61-1
Description
Name: Pentyltriphenylphosphonium bromide
Cas No.: 21406-61-1
MF： C23H26BrP
MW： 413.33
Pentyltriphenylphosphonium bromide Specification
| Tests | Specifications |
| Appearance | White to off-white powder |
| Active Assay | ≥98﹪ |
| Water content | ≤0.5% |
| MP(℃) | 166-167.4 |
Pentyltriphenylphosphonium bromide Performance and application:
Performance:
Pentyltriphenylphosphonium bromide is a quaternary phosphonium salt. Its key performance characteristics include:
Phase Transfer Catalyst (PTC): This is its core function. It efficiently facilitates reactions between reactants located in two immiscible solvents, significantly boosting reaction rate and yield.
Chemical Stability: It exhibits good thermal and chemical stability.
Surface Activity: Its amphiphilic molecular structure provides certain surfactant properties.
Wittig Reaction Precursor: Under strong base, it can generate a phosphorus ylide, which is the key reagent for the Wittig reaction, used to synthesize alkenes.
Application
This compound is primarily used as a Phase Transfer Catalyst and a Wittig Reagent in organic synthesis, especially in the production of pharmaceuticals, agrochemicals, liquid crystals, and specialty chemicals. Specific applications include:
Wittig Reaction: Reacts with aldehydes or ketones to synthesize alkenes with precise structure. This is a key step in synthesizing Vitamin A, carotenoids, and various drug molecules.
Phase Transfer Catalysis: Catalyzes reactions such as halogen exchange, alkylation, and esterification, enabling reactions between nucleophiles in the aqueous phase and substrates in the organic phase.
Ionic Liquid Component: Serves as a cationic moiety for the preparation of functionalized ionic liquids.
Polymerization: Acts as a catalyst or additive in certain polymerization reactions.
Pentyltriphenylphosphonium bromide Packaging
25kg/fiber can
Pentyltriphenylphosphonium bromide Storage conditions
To ensure its stability and safety, please adhere to the following storage conditions:
Sealed: Must be stored in a tightly sealed container to prevent moisture absorption.
Light-Sensitive: Keep in a dark place, e.g., in an amber glass bottle or a dark cabinet.
Cool & Dry: Store in a cool (recommended 2-8°C), dry place, such as a refrigerator.
Inert Atmosphere: For long-term storage or for highly moisture-sensitive applications, sealing under an inert atmosphere (e.g., nitrogen or argon) is recommended.
Away from Incompatibilities: Separate from strong oxidizing agents and strong bases.