2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide
2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide (CAS 69891-92-5), with a molecular weight of 457.34 g/mol, is a key Wittig reagent employed in organic synthesis. This phosphonium salt serves as a versatile building block, facilitating the formation of carbon-carbon double bonds. Its primary application lies in the olefination of carbonyl compounds, a fundamental transformation in the construction of complex organic molecules and pharmaceutical intermediates.
- Synonyms
- 2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide
Wittig Olefination
This phosphonium salt is a valuable reagent for performing Wittig reactions. It reacts with aldehydes and ketones to form alkenes, introducing a new carbon-carbon double bond.
C-C Bond Formation
As a Wittig reagent, it is instrumental in the formation of carbon-carbon bonds, a cornerstone of organic synthesis. This enables the construction of more complex molecular architectures.
Synthetic Reagent
It acts as a crucial synthetic reagent in multi-step organic syntheses, particularly where precise alkene formation is required. Its utility spans academic research and industrial chemical production.
| Molecular weight | 457.34 |
|---|---|
| Empirical formula | C24H26BrO2P |
| Assay | ≥98.0% (AT) |
| Application | Reactant for:• Wittig olefination1 |
| Melting point | 193-195 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide used for?
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2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide is primarily used as a Wittig reagent for olefination reactions, facilitating the formation of carbon-carbon double bonds in organic synthesis.
What is the CAS number and molecular formula for this compound?
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The CAS number is 69891-92-5. The molecular formula is C24H26BrO2P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of ≥98.0% (AT). We do not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should 2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide be handled?
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This compound is classified as an irritant to skin, eyes, and respiratory tract (H315, H319, H335). When handling, wear appropriate personal protective equipment including eyeshields, gloves, and a dust mask type N95 (US). Avoid breathing dust and ensure adequate ventilation.
Is 2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide a controlled substance?
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Based on the provided data, there is no indication that 2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide is a controlled substance.
How can I request a sample or quote for this chemical?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales team through our website or by phone. Please specify the quantity required and your delivery location.
Is this chemical available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide, and can arrange for international shipment.
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