2,3-Bis(trimethylsiloxy)-1,3-butadiene
2,3-Bis(trimethylsiloxy)-1,3-butadiene (CAS 31411-71-9) is a versatile organosilicon compound with a molecular weight of 230.45 g/mol. It functions as a key building block in organic synthesis, particularly noted for its utility in reactions involving enol ether chemistry. Supplied by Tech Serve Solutions, this compound is prepared to a high standard for various chemical research and development applications.
- Synonyms
- 31411-71-9
![2,3-Bis(trimethylsiloxy)-1,3-butadiene ((H2C=C[OSi(CH3)3])2) — chemical structure, CAS 31411-71-9; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F31411-71-9.png&w=3840&q=75)
Organic Synthesis
2,3-Bis(trimethylsiloxy)-1,3-butadiene serves as a valuable intermediate in the construction of complex organic molecules. Its structure allows for diverse synthetic transformations, making it useful for academic and industrial research chemists.
Chemical Research Reagent
As a specialised reagent, this compound finds application in laboratory settings for the development of novel chemical entities. Its unique functional groups facilitate specific reaction pathways.
Building Block
The compound is categorised as an organic building block, enabling chemists to introduce specific structural motifs into target molecules. It is frequently employed in multi-step synthesis.
| Molecular weight | 230.45 |
|---|---|
| Linear formula | (H2C=C[OSi(CH3)3])2 |
| Assay | 95% |
| Boiling point | 75-76 °C/10 mmHg(lit.) |
| Density | 0.878 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.434(lit.) |
| Storage temperature | 2-8°C |
| Application | 2,3-Bis(trimethylsiloxy)-1,3-butadiene may be used in chemical synthesis. |


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 | 24 °C / 75.2 °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 |
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 2,3-Bis(trimethylsiloxy)-1,3-butadiene used for?
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2,3-Bis(trimethylsiloxy)-1,3-butadiene is primarily used in chemical synthesis as an organic building block and a specialized research reagent.
What are the CAS number and chemical formula?
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The CAS number for 2,3-Bis(trimethylsiloxy)-1,3-butadiene is 31411-71-9. The linear formula is (H2C=C[OSi(CH3)3])2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Bis(trimethylsiloxy)-1,3-butadiene with an assay of 95%. This is a technical grade product, and TSS does not represent it as USP, BP, or EP.
How should 2,3-Bis(trimethylsiloxy)-1,3-butadiene be handled?
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This compound is flammable (flash point 24°C) and can cause skin, eye, and respiratory irritation. Handle with appropriate personal protective equipment, including safety glasses, gloves, and a suitable respirator, in a well-ventilated area. Store at 2-8°C.
Is 2,3-Bis(trimethylsiloxy)-1,3-butadiene a controlled substance?
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The provided data does not indicate that 2,3-Bis(trimethylsiloxy)-1,3-butadiene is a controlled substance.
How can I request a quote or sample?
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To request a quote or sample of 2,3-Bis(trimethylsiloxy)-1,3-butadiene, please contact our sales department via the website or by phone.
How is this chemical packed and shipped?
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2,3-Bis(trimethylsiloxy)-1,3-butadiene is packed and shipped according to UN 1993, Class 3, Packing Group III regulations for flammable liquids.
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