(Methoxymethyl)trimethylsilane
(Methoxymethyl)trimethylsilane (CAS: 14704-14-4), with the linear formula CH3OCH2Si(CH3)3 and a molecular weight of 118.25, is a valuable organosilicon compound. It is characterised by its role as a versatile building block in organic synthesis, particularly in the introduction of protected hydroxymethyl groups. This reagent is supplied by Tech Serve Solutions with an assay of 98% for research and chemical synthesis applications.
- IUPAC
- (Trimethylsilyl)methyl methyl ether
- Synonyms
- (Trimethylsilyl)methyl methyl ether

Protecting Group Chemistry
This compound serves as a useful reagent for the introduction of the methoxymethyl (MOM) ether protecting group onto alcohols. This is achieved via its reaction with suitable alcohol substrates under appropriate conditions, facilitating complex synthetic pathways.
Organic Synthesis Intermediate
As a functionalised organosilane, it acts as a versatile intermediate in the construction of more complex organic molecules. Its unique structure allows for specific chemical transformations crucial in research and development settings.
Organosilicon Chemistry Research
It finds application in studies focused on organosilicon compounds, exploring their reactivity and potential in novel chemical reactions. Its availability aids in advancing the understanding of silicon-based chemistry.
| Molecular weight | 118.25 |
|---|---|
| Linear formula | CH3OCH2Si(CH3)3 |
| Assay | 98% |
| Boiling point | 83 °C/740 mmHg(lit.) |
| Density | 0.758 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.39(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 | -6 °C / 21.2 °F |
| Transport (UN / ADR) | UN 3271 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-28-29-33-36/37/39 |
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 (Methoxymethyl)trimethylsilane used for?
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(Methoxymethyl)trimethylsilane is primarily used as a reagent in organic synthesis, particularly for introducing the methoxymethyl (MOM) protecting group onto alcohols, and as an intermediate in constructing complex organic molecules.
What is the CAS number and formula for (Methoxymethyl)trimethylsilane?
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The CAS number is 14704-14-4 and the linear formula is CH3OCH2Si(CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (Methoxymethyl)trimethylsilane with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications.
What are the main hazards associated with (Methoxymethyl)trimethylsilane?
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(Methoxymethyl)trimethylsilane is a highly flammable liquid and vapour (H225), and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, is essential during handling.
How is (Methoxymethyl)trimethylsilane packed, shipped, and exported?
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This product is classified under UN 3271, Class 3, Packing Group II. Tech Serve Solutions adheres to all relevant international regulations for the safe packing, shipping, and export of hazardous chemicals.
How can I request a sample or quote for (Methoxymethyl)trimethylsilane?
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To request a sample or a quote for (Methoxymethyl)trimethylsilane, please contact our sales department via the website or provide your details through the designated inquiry form.
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