Butyltriphenylphosphonium Bromide CAS 1779-51-7: High-Quality Phase Transfer Catalyst
Table of Contents
1. Product Overview
Butyltriphenylphosphonium Bromide (CAS 1779-51-7) is an organophosphorus compound widely used as a phase transfer catalyst. Key specifications include:
- Chemical Name: Butyltriphenylphosphonium Bromide
- CAS Number: 1779-51-7
- Molecular Formula: C23H26BrP
- Molecular Weight: 413.33 g/mol
- Appearance: White to off-white crystalline powder
- Purity: ≥98%
- Storage: Keep in a cool, dry place at 2-8°C
2. Key Applications
This compound serves as a versatile catalyst in organic synthesis:
- Phase transfer catalyst for alkylation, polymerization, and esterification
- Facilitates nucleophilic substitution reactions
- Used in pharmaceutical intermediates and specialty chemicals
- Enhances reaction efficiency in low-polarity solvents
3. Usage Guidelines
- Dosage: Typically 1-5 mol% of substrate
- Compatibility: Works with polar aprotic solvents (e.g., DMF, THF)
- Safety: Wear PPE (gloves, goggles) during handling
- Activation: Pre-mix with reactants under inert atmosphere
4. Practical Use Cases
Case 1: Pharmaceutical Synthesis
In the production of β-lactam antibiotics, 2.8% w/w of Butyltriphenylphosphonium Bromide increased reaction yield by 40% compared to traditional catalysts.
Case 2: Polymer Manufacturing
A polyethylene terephthalate (PET) producer achieved 98% monomer conversion within 3 hours using 0.5% catalyst loading at 120°C.
5. Contact Information
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