Methylcyclopentadiene dimer
Methylcyclopentadiene dimer (CAS 26472-00-4), molecular formula C12H16, is a high-purity chemical supplied by Tech Serve Solutions for organic building blocks applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

| Molecular weight | 160.26 |
|---|---|
| Empirical formula | C12H16 |
| Assay | 93% |
| Boiling point | 200 °C(lit.) |
| Density | 0.941 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.498(lit.) |
| Vapour pressure | ~7.5 mmHg (47.8 °C) |
| Melting point | −51 °C(lit.) |
| Vapour density | 4.6 (vs air) |
| Contains / stabiliser | 200 ppm p-tert.-butylcatechol as inhibitor |
| Impurities tested | ≤3.5% acyclic dienes0.5% benzene0.6% toluene1.5% C7 cyclodienes |
| Application | Methylcyclopentadiene dimer was used to study the competition with ethylene for binding and biological activities1. |



Hazard statements
- H226Flammable liquid and vapour
- H340May cause genetic defects
- H350May cause cancer
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P273Avoid release to the environment
- P308IF exposed or concerned
- P501Dispose of contents and container per local regulations
| Flash point | 53 °C / 127.4 °F |
|---|---|
| Transport (UN / ADR) | UN 3295 3/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 45-46-10-50/53 |
| Safety statements (S) | 53-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 Methylcyclopentadiene dimer?
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Methylcyclopentadiene dimer (CAS 26472-00-4), molecular formula C12H16, is a high-purity chemical supplied by Tech Serve Solutions for organic building blocks applications, to USP, BP and EP standards.
What grades of Methylcyclopentadiene dimer does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methylcyclopentadiene dimer in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Methylcyclopentadiene dimer?
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Methylcyclopentadiene dimer has CAS number 26472-00-4 and molecular formula C12H16. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Methylcyclopentadiene dimer?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Methylcyclopentadiene dimer ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Methylcyclopentadiene dimer be stored?
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Store Methylcyclopentadiene dimer in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Methylcyclopentadiene dimer used for?
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Methylcyclopentadiene dimer is used in organic building blocks applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Methylcyclopentadiene dimer?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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