1-Bromo-4-chlorobutane
1-Bromo-4-chlorobutane (CAS: 6940-78-9), with the molecular formula Cl(CH2)4Br and a molar mass of 171.46 g/mol, is a halogenated hydrocarbon serving as a versatile organic building block. It features a four-carbon chain with a bromine atom at one end and a chlorine atom at the other, making it valuable in various chemical synthesis pathways. This compound is primarily utilised in the development of pharmaceutical intermediates and in organic synthesis research.
- IUPAC
- Tetramethylene chlorobromide
- Synonyms
- Tetramethylene chlorobromide
Organic Synthesis
This difunctional alkyl halide is used as a key intermediate in the synthesis of more complex organic molecules. Its distinct bromo and chloro functionalities allow for selective reactions in multi-step synthetic routes.
Pharmaceutical Intermediates
1-Bromo-4-chlorobutane serves as a precursor in the production of active pharmaceutical ingredients (APIs). It can be incorporated into molecular structures to introduce specific alkyl chains or facilitate cyclisation reactions.
Research and Development
In laboratory settings, it is employed as a reagent for academic and industrial research, enabling the exploration of new chemical reactions and the creation of novel compounds.
| Molecular weight | 171.46 |
|---|---|
| Linear formula | Cl(CH2)4Br |
| Assay | 99% |
| Boiling point | 80-82 °C/30 mmHg(lit.) |
| Density | 1.488 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4875(lit.) |
Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 60 °C / 140 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| 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 1-Bromo-4-chlorobutane used for?
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1-Bromo-4-chlorobutane is primarily used as a building block in organic synthesis and as an intermediate in the production of pharmaceutical compounds and in research and development settings.
What are the CAS number and molecular formula for 1-Bromo-4-chlorobutane?
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The CAS number is 6940-78-9, and the molecular formula is Cl(CH2)4Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Bromo-4-chlorobutane with an assay of 99%. This product is typically supplied for research and industrial use and is not represented as USP, BP, or EP grade.
How should 1-Bromo-4-chlorobutane be handled safely?
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1-Bromo-4-chlorobutane is a flammable liquid (H226). Handle with care in a well-ventilated area, wearing appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator. Avoid sources of ignition.
How is 1-Bromo-4-chlorobutane packed and exported?
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1-Bromo-4-chlorobutane is packed according to transport regulations (UN 1993, Class 3, PGIII) and exported globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or a sample of 1-Bromo-4-chlorobutane, please contact the Tech Serve Solutions sales team via our website or direct contact details.
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