Physical properties:
Appearance : White to light yellow crystalline solid or liquid
Melting Point: 29–33°C (84–91°F)
Boiling Point: 127–128°C at 15 mmHg; 183.7°C at 760 mmHg
Density: 1.498 g/
Flash Point: >110°C
Refractive Index: 1.5575
Molecular Weight: 215.04 g/mol
Solubility: Soluble in common organic solvents
Synonyms:
- 3-Bromobenzoic acid methyl ester
- Methyl m-bromobenzoate
- Benzoic acid, 3-bromo-, methyl ester
- Methyl-3-brombenzolcarboxylat
Uses:
Pharmaceutical Intermediate: Used in the development of drugs, particularly in the synthesis of tetrahydrodibenzazocine derivatives.
Organic Synthesis Reagent: Acts as a building block for forming 1,1-diarylethane derivatives through cross-coupling with arylborates.
Chemical Synthesis: Used to prepare 3-tert-butylphosphanyl-benzoic acid methyl ester.
Research Chemical: Utilized for creating compounds that are chemically reactive to trifluoroacetic acid gas.
Key Applications:
Pharmaceutical Intermediate: Used in the synthesis of tetrahydrodibenzazocine, which acts as an inhibitor of 17
-hydroxysteroid dehydrogenase type 3.
Organic Synthesis & Reagent: Acts as a key intermediate for introducing the 3-bromobenzoate moiety into complex molecules.
Cross-Coupling Reactions: Employed in palladium-catalyzed reactions, including the Negishi coupling with diarylzinc reagents to create 1,1-diarylethane derivatives.
Agrochemical Production: Used as a precursor in the development and manufacturing of specialized agricultural chemicals.
Chemical Research: Used in research for developing new, functionalized aromatic compounds.
The CAS number of Methyl 3-Bromobenzoate is 618-89-3, which uniquely identifies this chemical substance. The chemical formula is C8H7BrO2, consisting of a brominated benzene ring with a methyl ester group.





