4-Bromo-2-methoxyphenol
4-Bromo-2-methoxyphenol (CAS: 7368-78-7), with the molecular formula BrC6H3(OCH3)OH and a molecular weight of 203.03, is a valuable organic building block. This brominated guaiacol derivative serves as a key intermediate in chemical synthesis, particularly within the pharmaceutical and fine chemical industries. Its specific structure allows for diverse functionalization in the development of complex organic molecules.
- IUPAC
- 4-Bromoguaiacol
- Synonyms
- 4-Bromoguaiacol

Pharmaceutical Intermediate
4-Bromo-2-methoxyphenol is utilised as a crucial building block in the synthesis of various pharmaceutical active ingredients (APIs). Its structure facilitates the introduction of bromine and methoxy functionalities, enabling complex molecular architectures for drug discovery and development.
Organic Synthesis Reagent
As an organic building block, it is employed in a wide range of synthetic transformations. The presence of the hydroxyl, methoxy, and bromo groups allows for selective reactions, making it a versatile reagent in academic and industrial research laboratories.
Fine Chemical Manufacturing
This compound finds application in the production of fine chemicals. It can be used in multi-step syntheses leading to specialised molecules with tailored properties for various industrial applications.
| Molecular weight | 203.03 |
|---|---|
| Linear formula | BrC6H3(OCH3)OH |
| Assay | 98% |
| Melting point | 34-37 °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 4-Bromo-2-methoxyphenol primarily used for?
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4-Bromo-2-methoxyphenol is primarily used as a building block in organic synthesis, particularly for the development of pharmaceutical intermediates and fine chemicals.
What is the CAS number and molecular formula for 4-Bromo-2-methoxyphenol?
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The CAS number for 4-Bromo-2-methoxyphenol is 7368-78-7, and its molecular formula is BrC6H3(OCH3)OH.
What grade and purity does Tech Serve Solutions supply for 4-Bromo-2-methoxyphenol?
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Tech Serve Solutions supplies 4-Bromo-2-methoxyphenol with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
How should 4-Bromo-2-methoxyphenol be handled safely?
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4-Bromo-2-methoxyphenol is a Warning chemical that causes skin irritation, serious eye irritation, and may cause respiratory irritation (H315, H319, H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask type N95 (US). Ensure adequate ventilation.
Can I request a quote or sample for 4-Bromo-2-methoxyphenol?
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Yes, you can request a quote or sample for 4-Bromo-2-methoxyphenol by contacting our sales team through the website or by phone.
How is 4-Bromo-2-methoxyphenol shipped?
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4-Bromo-2-methoxyphenol is carefully packed and exported by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
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