(5-Bromopentyl)trimethylammonium bromide
(5-Bromopentyl)trimethylammonium bromide (CAS 15008-33-0) is a quaternary ammonium salt with the molecular formula Br(CH2)5N(CH3)3Br and a molecular weight of 289.05 g/mol. It serves as a valuable reagent in organic synthesis, particularly in applications requiring phase transfer catalysis and as a synthetic building block. This compound is supplied by TSS with an assay of 97%.

Phase Transfer Catalyst
This compound can function as a phase transfer catalyst, facilitating reactions between reactants in immiscible phases. Its quaternary ammonium structure enables the transfer of anions between aqueous and organic layers, enhancing reaction rates and yields.
Organic Synthesis Intermediate
As a bifunctional molecule containing both an alkyl bromide and a quaternary ammonium salt, it is useful in various organic synthesis pathways. It can be employed to introduce the trimethylammoniumpropyl group or act as an alkylating agent.
Chemical Synthesis Reagent
It is utilized in laboratory settings and industrial processes for the synthesis of more complex organic molecules. Its specific structure makes it suitable for targeted chemical transformations.
| Molecular weight | 289.05 |
|---|---|
| Linear formula | Br(CH2)5N(CH3)3Br |
| Assay | 97% |
| Melting point | 141-143 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 (5-Bromopentyl)trimethylammonium bromide used for?
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(5-Bromopentyl)trimethylammonium bromide is used as a phase transfer catalyst and an intermediate in organic synthesis. It is also employed as a general synthetic reagent in chemical synthesis.
What are the CAS number and formula for (5-Bromopentyl)trimethylammonium bromide?
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The CAS number is 15008-33-0, and the linear formula is Br(CH2)5N(CH3)3Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (5-Bromopentyl)trimethylammonium bromide with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should (5-Bromopentyl)trimethylammonium bromide be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust, and ensure adequate ventilation. Refer to the Safety Data Sheet for detailed handling instructions.
Is (5-Bromopentyl)trimethylammonium bromide a controlled substance?
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Based on the provided data, there is no indication that (5-Bromopentyl)trimethylammonium bromide is a controlled substance.
How is (5-Bromopentyl)trimethylammonium bromide packed, shipped, and exported?
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Tech Serve Solutions exports fine chemicals globally. Specific packing and shipping details are confirmed upon order placement and depend on destination and quantity.
How can I request a sample or quote for (5-Bromopentyl)trimethylammonium bromide?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number.
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