3-(Trimethylsilyl)-1,2-propanediol
3-(Trimethylsilyl)-1,2-propanediol (CAS: 119235-89-1) is a versatile organosilicon compound with the linear formula (CH3)3SiCH2CH(OH)CH2OH and a molecular weight of 148.28 g/mol. This diol is a valuable building block in organic synthesis. Its structure, featuring both a trimethylsilyl group and two hydroxyl functionalities, allows for diverse chemical transformations and incorporation into more complex molecules. It is supplied with an assay of 98%.
- Synonyms
- (CH3)3SiCH2CH(OH)CH2OH

Organic Synthesis Intermediate
Utilised as a building block in the synthesis of complex organic molecules. The presence of the trimethylsilyl group and vicinal diol offers unique reactivity for constructing novel chemical entities.
Material Science Precursor
Can serve as a precursor for the development of novel materials, particularly in silicon-containing polymers or functionalised surfaces. The hydroxyl groups allow for further derivatisation and polymerisation.
Research and Development
Employed in academic and industrial research laboratories for exploring new synthetic routes and developing innovative chemical compounds. Its specific structure makes it an interesting reagent for chemical exploration.
| Molecular weight | 148.28 |
|---|---|
| Linear formula | (CH3)3SiCH2CH(OH)CH2OH |
| Assay | 98% |
| Boiling point | 206 °C(lit.) |
| Density | 0.94 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.451(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 107 °C / 224.6 °F |
| Water hazard class (WGK, DE) | 3 |
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 3-(Trimethylsilyl)-1,2-propanediol used for?
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3-(Trimethylsilyl)-1,2-propanediol is primarily used as a building block in organic synthesis and as a precursor in material science research, allowing for the creation of novel silicon-containing compounds and polymers.
What are the CAS number and chemical formula for 3-(Trimethylsilyl)-1,2-propanediol?
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The CAS number for 3-(Trimethylsilyl)-1,2-propanediol is 119235-89-1, and its linear formula is (CH3)3SiCH2CH(OH)CH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(Trimethylsilyl)-1,2-propanediol with an assay of 98%. This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
What are the safety considerations when handling 3-(Trimethylsilyl)-1,2-propanediol?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A flash point of 107 °C (224.6 °F) indicates it is combustible, and appropriate storage and handling procedures should be followed to avoid ignition sources.
How is 3-(Trimethylsilyl)-1,2-propanediol packed, shipped, and exported?
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Tech Serve Solutions carefully packs and prepares chemicals for shipment globally, adhering to all relevant regulations for safe export of chemical products.
How can I request a sample or quote for 3-(Trimethylsilyl)-1,2-propanediol?
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To request a sample or a quotation, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
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