2-Bromo-2-butene, mixture of cis and trans
2-Bromo-2-butene (CAS: 13294-71-8), a mixture of cis and trans isomers, is a halogenated hydrocarbon with the molecular formula CH3CH=C(Br)CH3 and a molecular weight of 135.00 g/mol. Supplied at 98% purity, this organic building block is valuable in chemical synthesis. It serves as a reagent in the preparation of complex organic molecules, including substituted catechol derivatives and mono-annelated benzenes. Stored under refrigeration, it is suitable for research and industrial applications requiring precise chemical transformations.
- Synonyms
- CH3CH=C(Br)CH3
Synthesis of Substituted Catechol Derivatives
2-Bromo-2-butene has been employed as a key intermediate in the synthetic routes leading to various substituted catechol derivatives. Its reactivity facilitates the introduction of specific structural motifs required in pharmaceutical and agrochemical research.
Preparation of Mono-annelated Benzenes
This bromoalkene serves as a precursor in the synthesis of mono-annelated benzene compounds. These structures are foundational in organic chemistry and are often explored for their unique electronic and steric properties.
General Organic Synthesis Building Block
As a versatile halogenated organic building block, 2-Bromo-2-butene is utilized in a wide array of organic synthesis pathways. Its defined structure allows for predictable reactions in the construction of more complex molecules.
| Molecular weight | 135.00 |
|---|---|
| Linear formula | CH3CH=C(Br)CH3 |
| Assay | 98% |
| Boiling point | 82-90 °C/740 mmHg(lit.) |
| Density | 1.328 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.461(lit.) |
| Storage temperature | 2-8°C |
| Application | 2-Bromo-2-butene was used in the synthesis of substituted catechol derivatives1 and mono-annelated benzenes2. |
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 / 33.8 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16 |
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-Bromo-2-butene used for?
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2-Bromo-2-butene is used in organic synthesis, specifically in the preparation of substituted catechol derivatives and mono-annelated benzenes. It functions as a valuable building block in chemical synthesis.
What is the CAS number and formula for 2-Bromo-2-butene?
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The CAS number is 13294-71-8, and its linear formula is CH3CH=C(Br)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Bromo-2-butene with an assay of 98%. This is a technical grade suitable for research and synthesis, and is not represented as USP, BP, or EP grade.
How should 2-Bromo-2-butene be handled safely?
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2-Bromo-2-butene is a highly flammable liquid and vapour (H225). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, in a well-ventilated area away from ignition sources. Store at 2-8°C.
How is 2-Bromo-2-butene packed, shipped, and exported?
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As a specialist global supplier, Tech Serve Solutions ensures 2-Bromo-2-butene is packed and shipped in compliance with all relevant transport regulations, including UN 1993 classification for flammable liquids, facilitating worldwide export.
How can I request a quote or sample of 2-Bromo-2-butene?
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To request a quote or obtain a sample of 2-Bromo-2-butene, please contact our sales department through the website or call our customer service line.
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