2,3-Dimethyl-2-butene
2,3-Dimethyl-2-butene (CAS: 563-79-1), also known as Tetramethylethylene, is a highly branched acyclic alkene with the molecular formula C6H12 and a molecular weight of 84.16 g/mol. This compound serves as a valuable building block in organic synthesis. Its primary documented application involves its use in the preparation of thexyl NHC-borane, showcasing its utility in the field of chemical synthesis and the development of novel reagents.
- IUPAC
- Tetramethylethylene
- Synonyms
- (CH3)2C=C(CH3)2Tetramethylethylene
Organic Synthesis Reagent
2,3-Dimethyl-2-butene is utilised as a precursor in the synthesis of complex organic molecules. Its specific structure makes it suitable for reactions requiring a sterically hindered alkene.
NHC-Borane Preparation
This alkene has been employed in the preparation of thexyl NHC-borane (diMe-Imd-BH2thexyl), a reagent utilised in various chemical research applications. The preparation highlights its role as a building block for specialised chemical entities.
Research and Development
As a versatile organic building block, 2,3-Dimethyl-2-butene is employed in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical compounds.
| Molecular weight | 84.16 |
|---|---|
| Linear formula | (CH3)2C=C(CH3)2 |
| Assay | ≥99% |
| Boiling point | 73 °C(lit.) |
| Density | 0.708 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.412(lit.) |
| Concentration | 1.0 M in THF |
| Melting point | −75 °C(lit.) |
| Vapour pressure | 215 mmHg (37.7 °C) |
| Autoignition temp | 754 °F |
| Storage temperature | 2-8°C |
| Application | 2,3-Dimethyl-2-butene was used in the preparation of thexyl NHC-borane (diMe-Imd-BH2thexyl)1. |
Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P301IF SWALLOWED
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -8 °C / 17.6 °F |
| Transport (UN / ADR) | UN 3295BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-65 |
| Safety statements (S) | 16-33-62 |
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-2-butene used for?
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2,3-Dimethyl-2-butene (CAS: 563-79-1) is primarily used as a building block in organic synthesis, including the preparation of thexyl NHC-borane. It is also utilised in chemical research and development.
What are the CAS number and chemical formula for 2,3-Dimethyl-2-butene?
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The CAS number for 2,3-Dimethyl-2-butene is 563-79-1, and its linear formula is (CH3)2C=C(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Dimethyl-2-butene with an assay of ≥99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,3-Dimethyl-2-butene be handled safely?
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2,3-Dimethyl-2-butene is a highly flammable liquid and vapour (H225) and may be fatal if swallowed and enters airways (H304). Handle in a well-ventilated area, away from ignition sources, using appropriate personal protective equipment including eyeshields, gloves, and respiratory protection. Store at 2-8°C.
How is 2,3-Dimethyl-2-butene packed and exported?
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2,3-Dimethyl-2-butene is typically packed in accordance with UN 3295 BE 3 / PG II regulations for safe transport. Tech Serve Solutions is a global supplier and exporter of fine chemicals.
How can I request a sample or quote for 2,3-Dimethyl-2-butene?
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To request a sample or a quote for 2,3-Dimethyl-2-butene, please contact our sales department through the website or by phone. Please specify the quantity required.
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