3-Fluoro-4-hydroxy-5-methoxybenzaldehyde
3-Fluoro-4-hydroxy-5-methoxybenzaldehyde (CAS: 79418-78-3) is a fluorinated aromatic aldehyde with the molecular formula C7H5FO3 and a molecular weight of 170.14 g/mol. This compound serves as a valuable building block in organic synthesis, particularly in the development of novel fluorinated organic molecules and pharmaceutical intermediates. Its carefully designed structure allows for diverse chemical transformations, making it a key intermediate for advanced chemical research and development.

Organic Synthesis Intermediate
Utilised as a versatile building block for constructing complex organic molecules. Its functional groups, including aldehyde, hydroxyl, and fluoro substituents, enable a range of chemical reactions.
Pharmaceutical Research
An important intermediate in the synthesis of potential pharmaceutical agents. The incorporation of fluorine can modify the pharmacokinetic and pharmacodynamic properties of drug candidates.
Material Science
Can be employed in the synthesis of specialised polymers or functional materials where fluorination confers desirable properties such as thermal stability or chemical resistance.
Agrochemical Development
Serves as a precursor in the development of new agrochemical compounds, leveraging its fluorinated aromatic structure for enhanced efficacy or targeted activity.
| Molecular weight | 170.14 |
|---|---|
| Linear formula | FC6H2(OH)(OCH3)CHO |
| Assay | 97% |
| Melting point | 114-118 °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 3-Fluoro-4-hydroxy-5-methoxybenzaldehyde primarily used for?
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3-Fluoro-4-hydroxy-5-methoxybenzaldehyde is primarily used as an intermediate in organic synthesis, particularly in the development of fluorinated organic molecules and pharmaceutical intermediates.
What are the CAS number and molecular formula for this compound?
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The CAS number is 79418-78-3 and the molecular formula is C7H5FO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated.
How should 3-Fluoro-4-hydroxy-5-methoxybenzaldehyde be handled safely?
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This compound is a Warning substance with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (N95 type), and ensure adequate ventilation. Avoid breathing dust.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions can pack and ship this chemical according to your specific requirements, offering global export services. Please contact us for details on packaging and shipping.
How can I request a sample or quote for 3-Fluoro-4-hydroxy-5-methoxybenzaldehyde?
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To request a sample or a quotation, please contact our sales team via our website or by telephone. Provide the product name and CAS number (79418-78-3) for prompt service.
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