Benzyldodecyldimethylammonium bromide
Benzyldodecyldimethylammonium bromide (CAS 7281-04-1) is a cationic compound with the molecular formula CH3(CH2)11N(Br)(CH3)2CH2C6H5 and a molecular weight of 384.44 g/mol. As a quaternary ammonium salt, it functions effectively as a detergent and a phase transfer catalyst. This reagent is widely employed in chemical synthesis and research laboratories. Tech Serve Solutions supplies this high-purity chemical for diverse scientific applications.
- IUPAC
- Benzyldimethyldodecylammonium bromide

Phase Transfer Catalysis
This compound serves as an effective phase transfer catalyst, facilitating reactions between reactants in immiscible phases. Its cationic nature aids in transporting anions into organic solvents, thereby accelerating reaction rates.
Detergent and Surfactant
Exhibiting properties of a cationic detergent, it can be utilized in various cleaning and surface-modification applications. Its amphipathic structure allows it to reduce surface tension effectively.
Chemical Synthesis
Benzyldodecyldimethylammonium bromide is a valuable reagent in organic synthesis. It can be employed in reactions requiring a quaternary ammonium salt with specific lipophilic and hydrophilic properties.
Biochemical Research
Its properties as a detergent make it suitable for applications in biochemical research, potentially aiding in cell lysis or membrane protein solubilisation.
| Molecular weight | 384.44 |
|---|---|
| Linear formula | CH3(CH2)11N(Br)(CH3)2CH2C6H5 |
| Assay | ≥97.0% (AT) |
| Melting point | 50-55 °C |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | cationic |
|---|
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 Benzyldodecyldimethylammonium bromide used for?
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Benzyldodecyldimethylammonium bromide is primarily used as a phase transfer catalyst, a cationic detergent, and a reagent in chemical synthesis and biochemical research.
What are the CAS number and chemical formula for Benzyldodecyldimethylammonium bromide?
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The CAS number is 7281-04-1 and the linear chemical formula is CH3(CH2)11N(Br)(CH3)2CH2C6H5.
What grade and purity does Tech Serve Solutions supply for Benzyldodecyldimethylammonium bromide?
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Tech Serve Solutions supplies Benzyldodecyldimethylammonium bromide with an assay of ≥97.0% (AT). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary safety hazards associated with Benzyldodecyldimethylammonium bromide?
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This compound is classified as Danger, with hazard statements including H301 (Toxic if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask, eyeshields, face shields, and gloves, should be used during handling.
How is Benzyldodecyldimethylammonium bromide packed, shipped, and exported?
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Benzyldodecyldimethylammonium bromide is packed in compliance with international shipping regulations, including ADR classification UN 2811, Class 6.1, PGIII. Tech Serve Solutions has extensive experience in exporting chemicals globally.
How can I request a sample or a quote for Benzyldodecyldimethylammonium bromide?
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Please contact our sales team via the website or email to request a sample or a quotation for Benzyldodecyldimethylammonium bromide.
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