1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene
1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene (CAS: 2519-10-0) is a unique organic compound with the molecular formula C35H26 and a molecular weight of 446.58 g/mol. This crystalline solid serves as a valuable building block in organic synthesis. Its complex structure and reactivity make it suitable for various chemical research and development applications, particularly in the exploration of novel organic materials and complex molecular architectures.
- Synonyms
- 4,5-Pentaphenyl-1,3-cyclopentadieneC35H26

Organic Synthesis
Utilised as a precursor or intermediate in the synthesis of more complex organic molecules and compounds. Its pentaphenyl substitution pattern offers unique steric and electronic properties for targeted chemical transformations.
Materials Science Research
Investigated for its potential in the development of new organic materials, including those with specific electronic or optical properties due to its extended conjugated system.
Chemical Research and Development
Employed in academic and industrial R&D settings for exploring novel reaction pathways and studying the behaviour of highly substituted cyclic systems.
| Molecular weight | 446.58 |
|---|---|
| Empirical formula | C35H26 |
| Assay | 99% |
| Solubility | pyridine: soluble5 mg/mL, clear, colorless to light yellow |
| Melting point | 254-256 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene used for?
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1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene is primarily used as a building block in organic synthesis and for research and development in materials science and chemical synthesis due to its unique structure.
What are the CAS number and molecular formula?
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The CAS number is 2519-10-0, and the molecular formula is C35H26.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene with an assay of 99%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should 1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if dust or aerosols are generated. Consult the safety data sheet for comprehensive handling instructions.
Is this chemical a controlled substance?
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The provided data does not indicate that 1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene (CAS: 2519-10-0) is a controlled substance.
How is this chemical exported and shipped?
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Tech Serve Solutions, as a specialist global supplier and exporter, packages and ships fine chemicals in compliance with international regulations for hazardous materials, ensuring safe and secure transit.
How can I request a sample or quote?
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To request a sample or obtain a quote for 1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene, please contact our sales team through the website or by calling our dedicated customer service line.
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