2,3-Dimethyl-1,3-butadiene
2,3-Dimethyl-1,3-butadiene (CAS: 513-81-5) is an acyclic alkene, a valuable organic building block in chemical synthesis. Its molecular formula is C6H10 and it has a molecular weight of 82.14 g/mol. This compound is primarily used in research settings to investigate chemical reactions, particularly those involving dienes and surfaces. Tech Serve Solutions supplies 2,3-Dimethyl-1,3-butadiene with a purity of 98%.
- Synonyms
- 513-81-5CH2=C(CH3)C(CH3)=CH2
Surface Chemistry Investigations
2,3-Dimethyl-1,3-butadiene has been employed in studies exploring the interactions of 1,3-dienes with surfaces, such as the Si(001) surface. Techniques like scanning tunneling microscopy and Fourier transform infrared spectroscopy have been utilised in these investigations.
Organic Synthesis Building Block
As an organic building block, this compound serves as a useful starting material or intermediate in various organic synthesis pathways. Its conjugated diene structure allows for participation in a range of addition and cycloaddition reactions.
Research and Development
Primarily used in academic and industrial research laboratories, 2,3-Dimethyl-1,3-butadiene aids in the development of new synthetic methodologies and the exploration of novel chemical transformations.
| Molecular weight | 82.14 |
|---|---|
| Linear formula | CH2=C(CH3)C(CH3)=CH2 |
| Assay | 98% |
| Boiling point | 68-69 °C(lit.) |
| Density | 0.726 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.438(lit.) |
| Vapour pressure | 269 mmHg (37.7 °C) |
| Melting point | −76 °C(lit.) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 100 ppm BHT as stabilizer |
| Application | 2,3-Dimethyl-1,3-butadiene was used to investigate the reactions of 1,3-dienes with the Si(001) surface using scanning tunneling microscopy and fourier transform infrared spectroscopy1. |
Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -1 °C / 30.2 °F |
| Transport (UN / ADR) | UN 3295BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16-23 |
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-Dimethyl-1,3-butadiene used for?
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2,3-Dimethyl-1,3-butadiene is primarily used in chemical research, particularly for investigating reactions of 1,3-dienes with surfaces and as an organic building block in synthesis.
What is the CAS number and formula for 2,3-Dimethyl-1,3-butadiene?
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The CAS number for 2,3-Dimethyl-1,3-butadiene is 513-81-5, and its linear formula is CH₂=C(CH₃)C(CH₃)=CH₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Dimethyl-1,3-butadiene with an assay of 98%. This is a technical/research grade material and TSS does not represent it as USP, BP, EP or any pharmacopoeia grade.
How should 2,3-Dimethyl-1,3-butadiene be handled safely?
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2,3-Dimethyl-1,3-butadiene is a highly flammable liquid and vapour (H225). It should be handled with appropriate personal protective equipment, including eyeshields, face shields, and gloves, in a well-ventilated area, away from ignition sources. A full-face respirator with an appropriate filter (e.g., ABEK) is recommended.
How is 2,3-Dimethyl-1,3-butadiene packed and shipped?
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2,3-Dimethyl-1,3-butadiene is shipped as a hazardous material, UN 3295, Class 3, Packing Group II. It is stabilised with 100 ppm BHT and stored under refrigeration at 2-8°C.
How can I request a sample or quote for 2,3-Dimethyl-1,3-butadiene?
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To request a sample or quote, please contact the Tech Serve Solutions sales team via our website or by telephone, specifying the product name and CAS number (513-81-5).
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