Trimethylsilyl cyclopentadiene, mixture of isomers
Trimethylsilyl cyclopentadiene, a mixture of isomers (CAS: 3559-74-8), is an organosilicon compound with the molecular formula C8H14Si and a molecular weight of 138.28 g/mol. It serves as a versatile building block in organic synthesis. Key applications include its use as a reactant in Diels-Alder reactions and in the synthesis of various organometallic complexes and functionalised cyclic compounds, contributing to advancements in chemical synthesis and materials science.
- IUPAC
- NSC 176274
- Synonyms
- C8H14Si
Diels-Alder Reactions
Trimethylsilyl cyclopentadiene is a valuable diene component in Diels-Alder cycloaddition reactions, enabling the construction of complex cyclic systems with controlled stereochemistry. Its silyl group can influence reactivity and regioselectivity.
Organometallic Chemistry
This compound is employed in the synthesis of organometallic complexes, particularly molybdenocene derivatives. It facilitates the introduction of cyclopentadienyl ligands, which are crucial in catalysis and materials science.
Organic Synthesis Building Block
As a versatile organic building block, it participates in various transformations such as allyl isomerization and aromatization of C5 rings. It is also used in the synthesis of N-hydroxyindoles through nucleophilic addition pathways.
| Molecular weight | 138.28 |
|---|---|
| Empirical formula | C8H14Si |
| Boiling point | 138-140 °C(lit.) |
| Density | 0.833 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.471(lit.) |
| Storage temperature | −20°C |
| Application | Reactant involved in:• Diels-Alder reactions1,2• Synthesis of ring-functionalized molybdenocene complexes3• Allyl isomerization4• Aromatization of C5 rings5• Synthesis of N-hydroxyindoles via nucleophilic addition6 |
Hazard statements
- H226Flammable liquid and vapour
- 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 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 29 °C / 84.2 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
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 Trimethylsilyl cyclopentadiene used for?
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Trimethylsilyl cyclopentadiene (CAS: 3559-74-8) is used as a reactant in Diels-Alder reactions, in the synthesis of ring-functionalised molybdenocene complexes, for allyl isomerization, aromatization of C5 rings, and the synthesis of N-hydroxyindoles.
What is the CAS number and molecular formula for Trimethylsilyl cyclopentadiene?
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The CAS number is 3559-74-8 and the molecular formula is C8H14Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Trimethylsilyl cyclopentadiene, mixture of isomers, with a purity typically indicated by its refractive index (n20/D 1.471) and boiling point (138-140 °C). It is supplied as a technical grade, and TSS does not represent it as USP, BP, or EP.
How should Trimethylsilyl cyclopentadiene be handled safely?
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Trimethylsilyl cyclopentadiene is a flammable liquid and vapour (H226) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and adequate respiratory protection, in a well-ventilated area, away from ignition sources.
How is Trimethylsilyl cyclopentadiene packed, shipped, and exported?
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This chemical is typically stored at -20°C. It is shipped as a flammable liquid (UN 1993) and exported globally by Tech Serve Solutions, adhering to all relevant transportation regulations.
How can I request a quote or sample for Trimethylsilyl cyclopentadiene?
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To request a quote or sample for Trimethylsilyl cyclopentadiene, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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