2-Methyl-1-(trimethylsilyloxy)-1-propene
2-Methyl-1-(trimethylsilyloxy)-1-propene (CAS 6651-34-9) is an enol ether with the linear formula (CH3)2C=CHOSi(CH3)3 and a molecular weight of 144.29 g/mol. This compound serves as a valuable building block in organic synthesis. It is particularly useful for introducing specific functional groups and facilitating complex molecular constructions in research and development settings.

Organic Synthesis Intermediate
As a versatile enol ether, 2-Methyl-1-(trimethylsilyloxy)-1-propene is employed as a key intermediate in the synthesis of more complex organic molecules. Its reactivity allows for various transformations crucial in the development of novel compounds.
Building Block for Chemical Research
This compound is utilised as a fundamental building block in academic and industrial research laboratories. It aids in the exploration of new synthetic pathways and the creation of diverse chemical structures.
Enol Ether Chemistry
2-Methyl-1-(trimethylsilyloxy)-1-propene exemplifies enol ether chemistry, participating in reactions such as cycloadditions and electrophilic additions. This makes it a useful reagent for specific organic transformations.
| Molecular weight | 144.29 |
|---|---|
| Linear formula | (CH3)2C=CHOSi(CH3)3 |
| Assay | 99% |
| Boiling point | 114-116 °C/650 mmHg(lit.) |
| Density | 0.785 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.409(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- 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 | 14 °C / 57.2 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-36 |
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 2-Methyl-1-(trimethylsilyloxy)-1-propene used for?
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2-Methyl-1-(trimethylsilyloxy)-1-propene is primarily used as a building block and intermediate in organic synthesis and chemical research, leveraging its enol ether characteristics for various transformations.
What are the CAS number and formula for this compound?
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The CAS number is 6651-34-9, and its linear formula is (CH3)2C=CHOSi(CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methyl-1-(trimethylsilyloxy)-1-propene with an assay of 99%. This is a technical/research grade material, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
What are the main safety hazards associated with 2-Methyl-1-(trimethylsilyloxy)-1-propene?
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This compound is highly flammable (H225) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, is essential when handling.
Is this chemical shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-Methyl-1-(trimethylsilyloxy)-1-propene, and can facilitate international shipments.
How can I request a quote or sample?
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To request a quote or a sample of 2-Methyl-1-(trimethylsilyloxy)-1-propene, please contact the TSS sales team through our website or direct contact details.
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