3-(Trifluoromethoxy)benzaldehyde
3-(Trifluoromethoxy)benzaldehyde (CAS 52771-21-8) is an aromatic aldehyde with the chemical formula CF3OC6H4CHO and a molecular weight of 190.12 g/mol. This compound serves as a valuable building block in organic synthesis. Its trifluoromethoxy group imparts unique electronic properties, making it a useful intermediate for the preparation of diverse chemical structures, particularly in the fields of pharmaceuticals and agrochemicals.

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) and drug discovery research. The trifluoromethoxy group can enhance lipophilicity and metabolic stability of drug candidates.
Agrochemical Synthesis
Serves as a key building block for the development of novel pesticides, herbicides, and fungicides. Its structural features can contribute to enhanced bioactivity and efficacy.
Organic Building Block
A versatile reagent for constructing complex organic molecules. It readily participates in various carbonyl reactions, enabling the introduction of the trifluoromethoxyphenyl moiety into target compounds.
Material Science Research
Investigated for its potential incorporation into advanced materials, leveraging the unique electronic and physical properties conferred by the trifluoromethoxy substituent.
| Molecular weight | 190.12 |
|---|---|
| Linear formula | CF3OC6H4CHO |
| Assay | 95% |
| Boiling point | 83-86 °C/24 mmHg(lit.) |
| Density | 1.33 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.454(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 73 °C / 163.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 3-(Trifluoromethoxy)benzaldehyde used for?
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3-(Trifluoromethoxy)benzaldehyde is primarily used as a building block in organic synthesis, particularly for pharmaceuticals and agrochemicals.
What are the CAS number and chemical formula?
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The CAS number is 52771-21-8 and the chemical formula is CF3OC6H4CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(Trifluoromethoxy)benzaldehyde with an assay of 95%. This product is intended for research and laboratory use; TSS does not represent it as USP, BP, or EP grade.
How should 3-(Trifluoromethoxy)benzaldehyde be handled?
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Handle with care. This compound is a warning irritant (H315, H319, H335). Use appropriate personal protective equipment, including safety glasses, gloves, and a suitable respirator. Ensure adequate ventilation.
Is 3-(Trifluoromethoxy)benzaldehyde a controlled substance?
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Based on the provided data, 3-(Trifluoromethoxy)benzaldehyde is not listed as a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions expertly packs, ships, and exports fine chemicals globally, adhering to all relevant regulations for safe and secure transportation.
How can I request a quote or sample?
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Please contact our sales team via the website or phone to request a quote or sample for 3-(Trifluoromethoxy)benzaldehyde.
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