1-Bromo-2-naphthaldehyde
1-Bromo-2-naphthaldehyde (CAS: 3378-82-3, Formula: C11H7BrO) is a halogenated aromatic aldehyde with a molecular weight of 235.08 g/mol. This compound serves as a valuable building block in organic synthesis, particularly for creating more complex molecules within the chemical and pharmaceutical industries. Its structure, featuring both a bromine atom and an aldehyde group on a naphthalene core, allows for diverse chemical transformations, making it a useful intermediate in research and development.

Organic Synthesis Intermediate
1-Bromo-2-naphthaldehyde is frequently employed as a key intermediate in the synthesis of various organic compounds. The presence of the aldehyde functionality allows for reactions such as Wittig reactions, reductive aminations, and Grignard additions, while the bromo-substituent enables cross-coupling reactions like Suzuki or Sonogashira couplings.
Pharmaceutical Research
This compound can be utilised in the development of novel pharmaceutical agents. Its structural features may be incorporated into drug candidates designed to interact with specific biological targets.
Material Science
The aromatic and functionalised nature of 1-Bromo-2-naphthaldehyde makes it a potential precursor for novel materials. It may be used in the synthesis of dyes, fluorescent probes, or functional polymers.
| Molecular weight | 235.08 |
|---|---|
| Empirical formula | C11H7BrO |
| Assay | ≥96.0% (HPLC)96.0-104.0% (T) |

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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 1-Bromo-2-naphthaldehyde used for?
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1-Bromo-2-naphthaldehyde is primarily used as a building block and intermediate in organic synthesis, including pharmaceutical research and potentially in material science applications.
What are the CAS number and molecular formula for 1-Bromo-2-naphthaldehyde?
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The CAS number is 3378-82-3 and the molecular formula is C11H7BrO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Bromo-2-naphthaldehyde with a purity of ≥96.0% by HPLC, and 96.0-104.0% by titration. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations for handling 1-Bromo-2-naphthaldehyde?
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1-Bromo-2-naphthaldehyde is classified as a Warning substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Always handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray. P261, P305 + P351 + P338.
How is 1-Bromo-2-naphthaldehyde shipped?
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1-Bromo-2-naphthaldehyde is available for global export. We ensure products are packed and shipped in accordance with all relevant international and national regulations for chemical substances.
How can I request a sample or quote for 1-Bromo-2-naphthaldehyde?
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To request a sample or a quote for 1-Bromo-2-naphthaldehyde, please contact our sales team via the website or by phone, providing your specific requirements.
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