1,7-Dibromoheptane
1,7-Dibromoheptane (CAS: 4549-31-9), with the linear formula Br(CH2)7Br and a molecular weight of 257.99 g/mol, is a difunctional alkyl halide. It serves as a valuable building block in organic synthesis, particularly in the preparation of polymers and complex organic molecules. Its terminal bromine atoms allow for versatile reactions, making it a key intermediate in materials science and pharmaceutical research.
- IUPAC
- Heptamethylene dibromide
- Synonyms
- Heptamethylene dibromide1,7-Dibromoheptane
Synthesis of Liquid Crystalline Polymers
1,7-Dibromoheptane has been employed in the synthesis of thermotropic liquid crystalline copolyethers and ternary copolyethers, contributing to the development of advanced polymer materials with specific phase behaviours.
Dendrimer Synthesis
This compound has been utilised in the creation of thermotropic liquid crystalline dendrimers, which exhibit a nematic phase, indicating its utility in constructing complex supramolecular architectures.
Organic Synthesis Intermediate
As a difunctional alkylating agent, 1,7-Dibromoheptane is a versatile building block for introducing a seven-carbon chain into various organic molecules, facilitating the construction of diverse chemical structures.
| Molecular weight | 257.99 |
|---|---|
| Linear formula | Br(CH2)7Br |
| Assay | 97% |
| Boiling point | 255 °C(lit.) |
| Density | 1.51 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.503(lit.) |
| Application | 1,7-Dibromoheptane was used in the synthesis of random thermotropic liquid crystalline copolyether1 and ternary copolyether2. It was also used in the synthesis of thermotropic liquid crystalline dendrimer exhibiting a nematic phase3. |
Hazard statements
- H300Fatal if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P264Wash thoroughly after handling
- P301IF SWALLOWED
- 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 | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 25-51/53 |
| Safety statements (S) | 36/37-45-60-61 |
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 1,7-Dibromoheptane used for?
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1,7-Dibromoheptane is primarily used as a building block in organic synthesis, including the preparation of liquid crystalline polymers and dendrimers.
What is the CAS number and formula for 1,7-Dibromoheptane?
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The CAS number for 1,7-Dibromoheptane is 4549-31-9, and its linear formula is Br(CH2)7Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,7-Dibromoheptane with a minimum purity of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 1,7-Dibromoheptane be handled safely?
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1,7-Dibromoheptane is classified as dangerous. It is harmful if swallowed (H300) and causes serious eye irritation (H319). Handle with appropriate personal protective equipment, including eyeshields, faceshields, gloves, and suitable respiratory protection. Ensure adequate ventilation.
Is 1,7-Dibromoheptane available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1,7-Dibromoheptane, adhering to all relevant shipping and regulatory requirements.
How can I request a quote or sample for 1,7-Dibromoheptane?
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To request a quote or a sample of 1,7-Dibromoheptane, please contact our sales team through the website or via direct enquiry, providing your specific requirements.
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