4-Bromo-1-naphthol
4-Bromo-1-naphthol (CAS: 571-57-3, C10H7BrO) is an organic compound with a molecular weight of 223.07 g/mol. This brominated naphthol derivative serves as a valuable building block in organic synthesis. It is primarily utilized in chemical research and the development of more complex molecules, acting as an intermediate for various chemical processes. Its phenolic and bromo-aryl functionalities make it a versatile reagent in synthetic chemistry.
- IUPAC
- 1-Bromo-4-hydroxynaphthalene,4-Bromo-1-naphthalenol

Organic Synthesis Intermediate
4-Bromo-1-naphthol is employed as a key intermediate in the synthesis of various organic compounds. Its reactive sites allow for further functionalization, facilitating the creation of complex molecular architectures.
Research and Development
This compound is frequently used in laboratory settings for research purposes, exploring new synthetic routes and developing novel chemical entities. It contributes to advancements in medicinal chemistry and materials science.
Building Block for Specialty Chemicals
As an organic building block, 4-Bromo-1-naphthol is integral to the production of specialty chemicals. It can be incorporated into larger molecules requiring its specific structural features.
| Molecular weight | 223.07 |
|---|---|
| Empirical formula | C10H7BrO |
| Assay | 95% |
| Melting point | 128-133 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Flash point | 125 °C / 257 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 21/22-37/38-41 |
| Safety statements (S) | 26-39 |
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-1-naphthol used for?
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4-Bromo-1-naphthol is used as a building block and intermediate in organic synthesis and chemical research and development.
What are the CAS number and formula for 4-Bromo-1-naphthol?
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The CAS number for 4-Bromo-1-naphthol is 571-57-3, and its formula is C10H7BrO.
What grade and purity does Tech Serve Solutions supply for 4-Bromo-1-naphthol?
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Tech Serve Solutions supplies 4-Bromo-1-naphthol with a purity of 95% (assay).
What are the safety and handling considerations for 4-Bromo-1-naphthol?
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4-Bromo-1-naphthol is classified as Danger with hazards including H302 + H312 (Harmful if swallowed or in contact with skin), H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 4-Bromo-1-naphthol packaged, shipped, and exported?
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Tech Serve Solutions, a global supplier and exporter since 1998, offers 4-Bromo-1-naphthol in various packaging sizes suitable for research and industrial needs, adhering to all necessary shipping and export regulations.
How can I request a quote or sample for 4-Bromo-1-naphthol?
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To request a quote or sample of 4-Bromo-1-naphthol, please contact our sales team through the website or by phone.
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