4-Fluoro-3-phenoxybenzaldehyde
4-Fluoro-3-phenoxybenzaldehyde (CAS: 68359-57-9) is an aromatic aldehyde with the molecular formula C<sub>6</sub>H<sub>5</sub>OC<sub>6</sub>H<sub>3</sub>(F)CHO and a molecular weight of 216.21 g/mol. This fluorinated organic building block serves as a versatile intermediate in chemical synthesis. Its structure, featuring both a fluorine atom and a phenoxy group on a benzaldehyde core, makes it valuable for introducing specific functionalities into target molecules, particularly in the development of novel pharmaceuticals and advanced materials.

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates. Its unique structural features can contribute to the efficacy and pharmacokinetic properties of potential therapeutics.
Agrochemical Development
Serves as a building block for the creation of new agrochemical compounds, such as herbicides, insecticides, and fungicides. The fluorinated aromatic moiety can enhance biological activity and environmental persistence.
Material Science Research
Employed in the design and synthesis of advanced materials, including liquid crystals, polymers, and organic electronic components. The presence of fluorine can modify material properties like thermal stability and optical characteristics.
Fine Chemical Synthesis
Acts as a key intermediate in the production of various fine chemicals and specialty organic compounds. Its reactivity allows for diverse chemical transformations for research and industrial applications.
| Molecular weight | 216.21 |
|---|---|
| Linear formula | C6H5OC6H3(F)CHO |
| Assay | 97% |
| Density | 1.2091 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5830(lit.) |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-51/53 |
| 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-3-phenoxybenzaldehyde used for?
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4-Fluoro-3-phenoxybenzaldehyde (CAS: 68359-57-9) is used as a versatile intermediate in chemical synthesis, particularly in the development of pharmaceuticals, agrochemicals, and advanced materials.
What is the CAS number and molecular formula for 4-Fluoro-3-phenoxybenzaldehyde?
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The CAS number is 68359-57-9 and the molecular formula is C<sub>6</sub>H<sub>5</sub>OC<sub>6</sub>H<sub>3</sub>(F)CHO.
What grade and purity does Tech Serve Solutions supply for 4-Fluoro-3-phenoxybenzaldehyde?
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Tech Serve Solutions supplies 4-Fluoro-3-phenoxybenzaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-Fluoro-3-phenoxybenzaldehyde be handled safely?
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4-Fluoro-3-phenoxybenzaldehyde is classified as harmful if swallowed and causes serious eye irritation (H302, H319). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used. Refer to the safety data sheet for full handling and emergency procedures.
Is 4-Fluoro-3-phenoxybenzaldehyde suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Fluoro-3-phenoxybenzaldehyde. It is shipped under UN 3082, 9, PGIII regulations.
How can I request a sample or quote for 4-Fluoro-3-phenoxybenzaldehyde?
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Please contact our sales department via the website or by phone to request a sample or obtain a quotation for 4-Fluoro-3-phenoxybenzaldehyde.
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