4-Fluoro-2-methylbenzaldehyde
4-Fluoro-2-methylbenzaldehyde (CAS 63082-45-1) is a fluorinated aromatic aldehyde with the molecular formula C8H7FO and a molecular weight of 138.14 g/mol. This compound serves as a versatile building block in organic synthesis. Its reactive aldehyde group and the presence of a fluorine atom make it valuable for introducing specific structural motifs into more complex molecules, particularly in the development of pharmaceuticals and agrochemicals.

Pharmaceutical Intermediate
Used as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs). The fluorine substitution can influence lipophilicity and metabolic stability of drug candidates.
Agrochemical Synthesis
Serves as a building block for the development of novel pesticides and herbicides. Its structure allows for modification to target specific biological pathways in pests or weeds.
Materials Science
Potential applications in the synthesis of advanced materials where fluorinated aromatic structures are required for specific electronic or physical properties.
Organic Synthesis Reagent
Employed in various organic transformations, including condensation, oxidation, and reduction reactions, enabling the construction of complex organic frameworks.
| Molecular weight | 138.14 |
|---|---|
| Empirical formula | C8H7FO |
| Assay | 97% |
| Density | 1.144 g/mL at 25 °C |
| Refractive index | n20/D 1.5260 |


Hazard statements
- 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
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 82 °C / 179.6 °F |
| Transport (UN / ADR) | UN 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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-Fluoro-2-methylbenzaldehyde primarily used for?
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4-Fluoro-2-methylbenzaldehyde is primarily used as a building block and intermediate in organic synthesis, particularly for pharmaceuticals and agrochemicals.
What are the CAS number and chemical formula for 4-Fluoro-2-methylbenzaldehyde?
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The CAS number is 63082-45-1 and the chemical formula is C8H7FO.
What grade and purity does Tech Serve Solutions supply for 4-Fluoro-2-methylbenzaldehyde?
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Tech Serve Solutions supplies 4-Fluoro-2-methylbenzaldehyde with a minimum assay of 97%. This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
How should 4-Fluoro-2-methylbenzaldehyde be handled safely?
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Handling requires caution due to hazards including skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). Use appropriate personal protective equipment such as safety goggles and gloves, and ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive guidance.
How is 4-Fluoro-2-methylbenzaldehyde packed and shipped?
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This chemical is packed according to international transport regulations (UN 1993, PGIII) and exported globally by TSS.
How can I request a sample or quote for 4-Fluoro-2-methylbenzaldehyde?
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To request a sample or a quotation, please contact our sales department through the website or by phone.
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