2-(Triphenylphosphoranylidene)succinic anhydride
2-(Triphenylphosphoranylidene)succinic anhydride (CAS: 906-65-0, Formula: C22H17O3P) is a specialised organic compound with a molecular weight of 360.34 g/mol. It serves as a valuable reagent in organic synthesis, particularly for C-C bond formation and olefination reactions. Its structure makes it useful in materials science and polymer science, functioning as a monomer or a key intermediate in the creation of advanced materials and polymers. This compound is supplied by Tech Serve Solutions for research and development purposes.

Organic Synthesis Reagent
This compound is employed as a Wittig-type reagent for introducing specific functional groups and forming carbon-carbon bonds in complex organic molecules. It is instrumental in various synthetic pathways requiring precise chemical transformations.
Monomer for Polymer Science
As an anhydride monomer, it can be utilised in polymerisation reactions to create novel polymeric materials with tailored properties. Its incorporation into polymer chains can influence thermal stability and mechanical characteristics.
Materials Science Applications
The unique chemical structure lends itself to applications in materials science, potentially for the development of functional materials, coatings, or composite systems. It can act as a building block for advanced material architectures.
Intermediate in Chemical Research
Serves as a key intermediate in academic and industrial research laboratories for exploring new chemical reactions and synthesising complex organic structures. Its reactivity profile supports a wide range of synthetic investigations.
| Molecular weight | 360.34 |
|---|---|
| Empirical formula | C22H17O3P |
| Assay | 97% |
| Melting point | 167 °C (dec.)(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) | 26-37/39 |
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-(Triphenylphosphoranylidene)succinic anhydride used for?
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2-(Triphenylphosphoranylidene)succinic anhydride is primarily used as a reagent in organic synthesis for C-C bond formation and olefination, as a monomer in polymer science, and as an intermediate in materials science and chemical research.
What are the CAS number and chemical formula?
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The CAS number for 2-(Triphenylphosphoranylidene)succinic anhydride is 906-65-0, and its chemical formula is C22H17O3P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Triphenylphosphoranylidene)succinic anhydride with an assay of 97%. This product is intended for research and technical applications and is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for this chemical?
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This compound is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
How is this product packed and exported by TSS?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packaging for safe handling and international shipment of chemicals like 2-(Triphenylphosphoranylidene)succinic anhydride.
How can I request a quote or sample for 2-(Triphenylphosphoranylidene)succinic anhydride?
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To request a quote or a sample, please contact our sales department via the website or email. Our team will be pleased to assist you with your inquiry.
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