1,3-Dibromopropane
1,3-Dibromopropane (CAS 109-64-8), with the linear formula Br(CH2)3Br and a molecular weight of 201.89 g/mol, is a halogenated hydrocarbon. This clear, colourless liquid serves as a versatile building block in organic synthesis. It is frequently employed in the preparation of cyclopropane derivatives and other cyclic compounds through intramolecular cyclisation reactions. Its dibromo functionality makes it a valuable reagent for introducing a three-carbon chain in various chemical transformations.
- IUPAC
- Trimethylene dibromide
- Synonyms
- Trimethylene dibromide1,3-Dibromopropanpropane, 1,3-dibromo-
Organic Synthesis Intermediate
1,3-Dibromopropane is a key intermediate in organic synthesis, particularly for the formation of cyclopropane rings via intramolecular cyclisation. It is also used to introduce a propyl linker in the synthesis of more complex molecules.
Pharmaceutical Intermediate
This compound finds application in the synthesis of various pharmaceutical intermediates. Its reactive bromine atoms allow for facile nucleophilic substitution reactions essential in drug development pathways.
Research and Development
In research laboratories, 1,3-Dibromopropane is a common reagent for exploring new synthetic routes and developing novel organic compounds. It is useful for creating heterocycles and functionalised aliphatic chains.
| Molecular weight | 201.89 |
|---|---|
| Linear formula | Br(CH2)3Br |
| Assay | ≥99.0% (GC) |
| Boiling point | 167 °C(lit.) |
| Density | 1.989 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.524(lit.)n20/D 1.524 |
| Vapour density | 7 (vs air) |
| Melting point | −34 °C(lit.) |
Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 56 °C / 132.8 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 10-22-38-51/53 |
| Safety statements (S) | 16-26-36-61 |
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 1,3-Dibromopropane used for?
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1,3-Dibromopropane is primarily used as a versatile building block in organic synthesis, particularly for the preparation of cyclopropane derivatives and other cyclic compounds. It also serves as an intermediate in the synthesis of pharmaceuticals and finds use in research and development.
What are the CAS number and formula for 1,3-Dibromopropane?
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The CAS number for 1,3-Dibromopropane is 109-64-8, and its linear formula is Br(CH2)3Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Dibromopropane with an assay of ≥99.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should 1,3-Dibromopropane be handled safely?
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1,3-Dibromopropane is a flammable liquid and vapour (H226) and is harmful if swallowed (H302), causes skin irritation (H315), and is toxic to aquatic life with long-lasting effects (H411). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area, and avoid release to the environment. Refer to the Safety Data Sheet for detailed information.
Is 1,3-Dibromopropane a controlled substance?
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Based on the provided data, there is no indication that 1,3-Dibromopropane is a controlled substance. However, regulations can vary by jurisdiction.
How is 1,3-Dibromopropane packed, shipped, and exported?
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1,3-Dibromopropane is shipped as a regulated flammable liquid, UN 1993, Class 3, Packing Group III. Tech Serve Solutions exports chemicals globally, adhering to all relevant international shipping and customs regulations.
How can I request a sample or quote for 1,3-Dibromopropane?
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To request a sample or quote for 1,3-Dibromopropane, please contact our sales department through the inquiry form on our website or by phone.
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