2-Fluoro-5-methylbenzaldehyde
2-Fluoro-5-methylbenzaldehyde (CAS: 93249-44-6) is an organic compound with the formula FC6H3(CH3)CHO. This fluorinated aromatic aldehyde serves as a valuable building block in organic synthesis. Its structure, featuring both a reactive aldehyde group and a fluorine atom on the benzene ring, makes it useful for introducing specific functionalities into more complex molecules. It finds application in the synthesis of various organic compounds, including potential pharmaceutical intermediates and materials for fluorescent labelling.

Organic Synthesis Building Block
Utilised as a key intermediate in the construction of complex organic molecules, particularly where the introduction of a fluorinated aromatic moiety is required. Its aldehyde functionality allows for a wide range of downstream reactions.
Pharmaceutical Intermediate Synthesis
Serves as a precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs) and drug candidates. The fluorine atom can influence pharmacokinetic properties of the final drug molecule.
Material Science and Fluorescent Labels
Employed in the development of fluorescent probes and labels. The fluorinated benzaldehyde structure can be incorporated into molecules designed for bioimaging, sensing, and materials science applications.
| Molecular weight | 138.14 |
|---|---|
| Linear formula | FC6H3(CH3)CHO |
| Assay | 97% |
| Boiling point | 89 °C/15 mmHg(lit.) |
| Density | 1.129 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5160(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 81 °C / 177.8 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-36/37/39-45 |
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 2-Fluoro-5-methylbenzaldehyde used for?
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2-Fluoro-5-methylbenzaldehyde is primarily used as a building block in organic synthesis, particularly for creating pharmaceutical intermediates and compounds for fluorescent labelling.
What are the CAS number and formula for 2-Fluoro-5-methylbenzaldehyde?
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The CAS number is 93249-44-6 and the molecular formula is FC6H3(CH3)CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Fluoro-5-methylbenzaldehyde with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-Fluoro-5-methylbenzaldehyde be handled?
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This compound is corrosive. Handle with appropriate personal protective equipment including gloves, goggles, face shields, and suitable respiratory protection. Avoid contact with skin and eyes. Ensure adequate ventilation.
Is 2-Fluoro-5-methylbenzaldehyde a controlled substance?
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The provided data does not indicate that 2-Fluoro-5-methylbenzaldehyde is a controlled substance.
How is 2-Fluoro-5-methylbenzaldehyde packed and exported?
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2-Fluoro-5-methylbenzaldehyde is packed and exported in compliance with relevant regulations for hazardous materials, including UN 3265 classification.
How can I request a sample or quote for 2-Fluoro-5-methylbenzaldehyde?
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Please contact our sales team via the website to request a sample or a formal quotation for 2-Fluoro-5-methylbenzaldehyde.
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