4-Fluoro-1-naphthaldehyde
4-Fluoro-1-naphthaldehyde (CAS: 172033-73-7), with the molecular formula C11H7FO and a molecular weight of 174.17 g/mol, is a fluorinated aromatic aldehyde. This compound serves as a valuable building block in organic synthesis, particularly in the development of novel pharmaceuticals and advanced materials. Its distinct chemical structure allows for versatile derivatisation, making it a key intermediate for complex molecular architectures. TSS offers this high-purity chemical for research and development purposes.
- IUPAC
- 4-Fluoronaphthalene-1-carboxaldehyde

Pharmaceutical Intermediate
Serves as a crucial intermediate in the synthesis of various pharmaceutical agents. Its fluorinated naphthalene core can be incorporated into drug candidates targeting diverse therapeutic areas.
Materials Science
Utilised in the development of advanced materials, including organic light-emitting diodes (OLEDs) and other functional organic molecules. The fluoro-aromatic moiety can influence electronic and optical properties.
Agrochemical Research
Employed as a building block in the design and synthesis of novel agrochemicals. Fluorine substitution can impart unique properties, potentially enhancing efficacy or stability.
Organic Synthesis Reagent
A versatile reagent in general organic synthesis, enabling the introduction of the 4-fluoronaphthyl group into a wide range of organic structures. Useful for fine chemical production.
| Molecular weight | 174.17 |
|---|---|
| Empirical formula | C11H7FO |
| Assay | 97% |
| Melting point | 79-81 °C |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 52/53 |
| Safety statements (S) | 61 |
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-Fluoro-1-naphthaldehyde used for?
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4-Fluoro-1-naphthaldehyde is primarily used as a building block and intermediate in organic synthesis, particularly for pharmaceuticals, materials science, and agrochemical research.
What is the CAS number and formula for 4-Fluoro-1-naphthaldehyde?
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The CAS number is 172033-73-7, and the empirical formula is C11H7FO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Fluoro-1-naphthaldehyde with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Fluoro-1-naphthaldehyde be handled?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. Avoid contact with eyes. If in eyes, rinse cautiously with water for several minutes and seek medical advice if irritation persists. It is classified under GHS07 with a warning signal word and H319 hazard statement (causes serious eye irritation).
How is 4-Fluoro-1-naphthaldehyde packed and shipped?
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Products are securely packed according to international shipping regulations. TSS is a global supplier and exporter, ensuring safe and compliant transit.
How can I request a quote or sample for 4-Fluoro-1-naphthaldehyde?
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Please contact our sales team directly via the website or phone to request a quotation or to arrange for a sample.
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