Methylenecyclopentane
Methylenecyclopentane (CAS: 1528-30-9), with the molecular formula C5H8(=CH2) and a molar mass of 82.14 g/mol, is a valuable acyclic alkene building block. Its chemical structure lends itself to diverse synthetic pathways in organic chemistry. Notably, it has been employed in the total synthesis of complex molecules like (±)-cephalotaxine, showcasing its utility in advanced chemical research and development. Available from Tech Serve Solutions with a purity of 97%.
Organic Synthesis Intermediate
Methylenecyclopentane serves as a key intermediate in complex organic syntheses. Its unique exocyclic double bond allows for various addition and cycloaddition reactions.
Total Synthesis
This compound has been documented for use in the total synthesis of natural products, such as (±)-cephalotaxine. It provides a crucial structural motif for constructing target molecules.
Chemical Research
As a versatile building block, Methylenecyclopentane is utilized in academic and industrial research laboratories for exploring novel synthetic methodologies and creating new chemical entities.
| Molecular weight | 82.14 |
|---|---|
| Linear formula | C5H8(=CH2) |
| Assay | 97% |
| Boiling point | 75-76 °C(lit.) |
| Density | 0.781 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.435(lit.) |
| Storage temperature | 2-8°C |
| Application | Methylenecyclopentane has been used in total synthesis of (±)-cephalotaxin1. |
Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P301IF SWALLOWED
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -18 °C / -.4 °F |
| Transport (UN / ADR) | UN 3295BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-65 |
| Safety statements (S) | 16-62 |
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 Methylenecyclopentane used for?
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Methylenecyclopentane is primarily used as a building block in organic synthesis and has been employed in the total synthesis of compounds like (±)-cephalotaxine.
What is the CAS number and molecular formula for Methylenecyclopentane?
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The CAS number is 1528-30-9, and its molecular formula is C5H8(=CH2).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methylenecyclopentane with an assay of 97%. TSS does not represent this product as USP, BP, or EP grade.
How should Methylenecyclopentane be handled safely?
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Methylenecyclopentane is highly flammable (Flash Point -18 °C) and can be harmful if swallowed and entering airways. Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, in a well-ventilated area, keeping it away from ignition sources.
How is Methylenecyclopentane packed, shipped, and exported?
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Methylenecyclopentane is classified under UN 3295, Packing Group II, indicating it is shipped according to stringent regulations for flammable liquids. TSS exports globally, adhering to all relevant transport and customs requirements.
How can I request a sample or quote for Methylenecyclopentane?
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Please contact our sales department directly through our website or by phone to request a sample or a formal quotation for Methylenecyclopentane.
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