Woollins’ Reagent
Woollins’ Reagent (CAS: 122039-27-4, C12H10P2Se4) is a valuable organoselenium compound with a molecular weight of 532.00. It serves as a versatile reagent primarily in organophosphorus and organoselenium chemistry. Its applications include the formation of C-Se and C-X bonds, synthesis of heterocyclic compounds, and participation in ring-opening and coupling reactions. Tech Serve Solutions supplies this reagent for advanced chemical synthesis and research purposes.
- IUPAC
- 2,4-Diphenyl-1,3-diselenadiphosphetane 2,4-diselenide
- Synonyms
- 2,4-Diphenyl-1,3-diselenadiphosphetane 2,4-diselenide
Heterocycle Synthesis
Woollins’ Reagent is used in reactions with benzoic hydrazides to form spiro heterocycles and with aromatic diols to yield 10-membered phosphorus-selenium heterocycles.
C-Se and C-X Bond Formation
This reagent is employed for the formation of carbon-selenium (C-Se) bonds and non-halogen carbon-heteroatom (C-X) bonds, contributing to diverse synthetic strategies.
Ring-Opening and Coupling Reactions
Woollins’ Reagent participates in ring-opening reactions, deselenation processes, and phosphorus-phosphorus coupling, expanding its utility in complex chemical transformations.
Reactions with Secondary Amines
The reagent reacts with secondary amines, offering a pathway for functionalization and the synthesis of specific nitrogen-containing compounds.
| Molecular weight | 532.00 |
|---|---|
| Empirical formula | C12H10P2Se4 |
| Application | Reagent involved in reactions with:• Benzoic hydrazides to yield spiro heterocycles1• Secondary amines2• Aromatic diols to yield 10-membered phosphorus-selenium heterocycles3Reagent involved in ring-opening, deselenation and phosphorus-phosphorus coupling4 |
| Melting point | 206-210 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H331Toxic if inhaled
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Transport (UN / ADR) | UN 3283 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-33-50/53 |
| Safety statements (S) | 20/21-45-60-61 |
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 Woollins’ Reagent used for?
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Woollins’ Reagent is used in organic synthesis, particularly for C-Se and C-X bond formation, and the synthesis of various heterocyclic compounds. It also participates in ring-opening and coupling reactions.
What are the CAS number and formula for Woollins’ Reagent?
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The CAS number for Woollins’ Reagent is 122039-27-4, and its empirical formula is C12H10P2Se4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Woollins’ Reagent as a research-grade chemical. We do not represent it as meeting USP, BP, EP, or any other pharmacopoeia standards.
How should Woollins’ Reagent be handled?
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Woollins’ Reagent is classified as toxic and hazardous to the environment. Handle with appropriate personal protective equipment (PPE) in a well-ventilated area. Avoid inhalation, ingestion, and contact with skin and eyes. Refer to the Safety Data Sheet (SDS) for detailed handling and emergency procedures.
Is Woollins’ Reagent a controlled substance?
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The provided data does not indicate that Woollins’ Reagent is a controlled substance.
How is Woollins’ Reagent shipped and exported?
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Woollins’ Reagent is shipped and exported in compliance with all relevant transport regulations for hazardous materials, including UN 3283 (6.1 / PGIII).
How can I request a sample or quote for Woollins’ Reagent?
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Please contact our sales team directly via the website or phone to request a sample or a quotation for Woollins’ Reagent.
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