(−)-N-Benzyl-N-methylephedrinium bromide
(−)-N-Benzyl-N-methylephedrinium bromide (CAS: 58648-09-2) is a chiral ammonium salt with the molecular formula C6H5CH(OH)CH(CH3)N(CH3)2(CH2C6H5)Br and a molecular weight of 350.29 g/mol. This compound is primarily utilised as a chiral catalyst and reagent in asymmetric synthesis and phase transfer reactions, facilitating stereoselective chemical transformations. It is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- Benzyl(2-hydroxy-1-methyl-2-phenylethyl)dimethylammonium bromide
- Synonyms
- Benzyl(2-hydroxy-1-methyl-2-phenylethyl)dimethylammonium bromide

Asymmetric Synthesis
Utilised as a chiral catalyst to induce enantioselectivity in chemical reactions, enabling the synthesis of specific stereoisomers.
Phase Transfer Catalysis
Acts as a phase transfer catalyst to facilitate reactions between reactants in different phases, particularly in stereoselective transformations.
Chiral Reagent
Serves as a chiral building block or auxiliary in the synthesis of complex chiral molecules.
Chemical Synthesis
Employed in various organic synthesis pathways where stereochemical control is essential.
| Molecular weight | 350.29 |
|---|---|
| Linear formula | C6H5CH(OH)CH(CH3)N(CH3)2(CH2C6H5)Br |
| Assay | ≥99.0% (AT) |
| Grade | purum |
| Optical activity | [α]20/D −5.3±0.5°, c = 4.5% in methanol |
| Melting point | 209-211 °C(lit.)209-211 °C |

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 (–)-N-Benzyl-N-methylephedrinium bromide used for?
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This compound is primarily used as a chiral catalyst and reagent in asymmetric synthesis and phase transfer reactions to facilitate stereoselective chemical transformations.
What are the CAS number and chemical formula for (–)-N-Benzyl-N-methylephedrinium bromide?
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The CAS number is 58648-09-2 and the chemical formula is C6H5CH(OH)CH(CH3)N(CH3)2(CH2C6H5)Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with a purity of ≥99.0% (AT) and a 'purum' grade. We do not represent this product as USP, BP, or EP grade.
How should (–)-N-Benzyl-N-methylephedrinium bromide be handled safely?
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Due to its potential to cause skin irritation, eye irritation, and respiratory irritation (H315-H319-H335), appropriate personal protective equipment including a dust mask (type N95 US recommended), eyeshields, and gloves should be worn. Ensure adequate ventilation.
How is (–)-N-Benzyl-N-methylephedrinium bromide packed and exported?
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This chemical is carefully packed according to industry standards to ensure safe transit and is exported globally by Tech Serve Solutions.
How can I request a quote or sample for (–)-N-Benzyl-N-methylephedrinium bromide?
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Please contact our sales team via the website to request a quote or a sample.
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