3,5-Dibromophenol
3,5-Dibromophenol (CAS: 626-41-5), with the molecular formula C6H4Br2O and a molecular weight of 251.90 g/mol, is a key organic building block. This compound serves as a valuable intermediate in chemical synthesis, particularly in the creation of more complex molecules within the pharmaceutical and specialty chemical sectors. Its dibrominated phenolic structure offers specific reactivity for various organic transformations.
- Synonyms
- 3,5-DibromophenolPhenol, 3,5-dibromo-

Chemical Synthesis Intermediate
3,5-Dibromophenol is utilised as a fundamental building block in organic synthesis. Its structure allows for further functionalisation, making it suitable for constructing complex organic molecules.
Pharmaceutical Precursor
This compound can serve as a precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs). The presence of bromine atoms and the phenolic hydroxyl group enables diverse chemical modifications.
Research and Development
In research laboratories, 3,5-Dibromophenol is employed for exploring new synthetic routes and developing novel compounds. Its well-defined structure aids in predictable chemical reactions.
| Molecular weight | 251.90 |
|---|---|
| Empirical formula | C6H4Br2O |
| Assay | 97% |
| Melting point | 79-83 °C(lit.) |

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 |
|---|---|
| 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.
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 3,5-Dibromophenol (CAS: 626-41-5) used for?
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3,5-Dibromophenol is primarily used as an intermediate in chemical synthesis, particularly for creating complex organic molecules, and as a precursor in pharmaceutical research and development.
What are the CAS number and chemical formula for 3,5-Dibromophenol?
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The CAS number for 3,5-Dibromophenol is 626-41-5, and its empirical formula is C6H4Br2O.
What grade and purity does Tech Serve Solutions supply for 3,5-Dibromophenol?
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Tech Serve Solutions supplies 3,5-Dibromophenol with an assay of 97%. This product is typically supplied for technical and research purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 3,5-Dibromophenol be handled safely?
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Handling 3,5-Dibromophenol requires caution due to its GHS06 hazard classification, with a Danger signal word. It is harmful if swallowed (H301), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, faceshields, and gloves, must be used. Ensure good ventilation and avoid dust formation.
How is 3,5-Dibromophenol packed and exported by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3,5-Dibromophenol. Products are packed according to international shipping regulations to ensure safe transit worldwide.
How can I request a sample or quote for 3,5-Dibromophenol?
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To request a sample or a quote for 3,5-Dibromophenol, please contact our sales department via the website or by telephone. Our team will be pleased to assist you with your inquiry.
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