Chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane
Chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane (CAS: 125542-03-2) is a silicon-based chemical with the molecular formula C11H19ClSi. It serves as a valuable reagent in chemical synthesis, particularly within protection and derivatization strategies. This compound is supplied by Tech Serve Solutions for laboratory and research applications requiring precise chemical transformations.
- Synonyms
- Chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane5-tetramethyl-2,4-cyclopentadien-1-yl)silane

Chemical Synthesis Reagent
This organosilane is employed as a building block or reagent in various organic synthesis pathways. Its specific structure allows for tailored chemical modifications and the introduction of silicon-containing functionalities.
Protection and Derivatization
It is utilised in the protection and derivatisation of chemical compounds. The tetramethylcyclopentadienyl ligand offers unique steric and electronic properties for these applications.
Research and Development
Chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane is a key compound for researchers exploring new synthetic methodologies and material science applications.
| Molecular weight | 214.81 |
|---|---|
| Empirical formula | C11H19ClSi |
| Assay | 97% |
| Boiling point | 50 °C/0.05 mmHg(lit.) |
| Density | 0.972 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.496(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 56 °C / 132.8 °F |
| Transport (UN / ADR) | UN 2986 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34 |
| Safety statements (S) | 26-27-36/37/39-45 |
| Supplemental hazards | Reacts violently with water. |
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 Chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane used for?
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This compound is primarily used as a reagent in chemical synthesis, with specific applications in protection and derivatisation strategies within research and development.
What is the CAS number and formula for this chemical?
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The CAS number is 125542-03-2, and the empirical formula is C11H19ClSi.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane at an assay of 97%. This product is intended for laboratory and research use and is not represented as USP, BP, or EP grade.
How should Chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane be handled safely?
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This compound is classified as Danger and is flammable (H226), causing severe skin burns and eye damage (H314). It reacts violently with water. Always use appropriate personal protective equipment, including faceshields, gloves, goggles, and a suitable respirator, and handle in a well-ventilated area, avoiding contact with water.
Is this chemical available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane, and can facilitate international orders.
How can I request a quote or sample?
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To request a quote or sample of Chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane, please contact our sales team through the website or by phone.
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