4-(Trifluoromethylthio)benzaldehyde
4-(Trifluoromethylthio)benzaldehyde (CAS: 4021-50-5), with the molecular formula F3CSC6H4CHO and a molar mass of 206.18 g/mol, is a specialised organic compound. It functions as a valuable building block and intermediate in chemical synthesis. This aldehyde derivative, featuring a trifluoromethylthio group, is particularly useful in the development of novel organic molecules and materials, finding applications in various research and industrial sectors.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of more complex organic molecules. Its aldehyde functionality and trifluoromethylthio group allow for diverse chemical transformations.
Building Block for Specialty Chemicals
Utilised as a fundamental building block in the creation of specialty chemicals, including pharmaceuticals and agrochemicals, where the trifluoromethylthio moiety imparts unique properties.
Material Science Research
Can be employed in material science research for the development of new functional materials, leveraging its specific chemical structure for tailored properties.
| Molecular weight | 206.18 |
|---|---|
| Linear formula | F3CSC6H4CHO |
| Assay | 90% |
| Boiling point | 219 °C(lit.) |
| Refractive index | n20/D 1.511(lit.) |
| Impurities tested | ~1% 4-(Trifluoromethylthio)benzoic acid~5% 4-(Trifluoromethylthio)benzonitrile |
| Melting point | 29-31 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Flash point | 100 °C / 212 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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-(Trifluoromethylthio)benzaldehyde used for?
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4-(Trifluoromethylthio)benzaldehyde is primarily used as an intermediate and building block in organic synthesis, particularly for the development of specialty chemicals and in material science research.
What are the CAS number and formula for 4-(Trifluoromethylthio)benzaldehyde?
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The CAS number is 4021-50-5 and the molecular formula is F3CSC6H4CHO.
What grade and purity does Tech Serve Solutions supply for 4-(Trifluoromethylthio)benzaldehyde?
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Tech Serve Solutions supplies 4-(Trifluoromethylthio)benzaldehyde with an assay of 90%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-(Trifluoromethylthio)benzaldehyde be handled safely?
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Based on GHS classifications, 4-(Trifluoromethylthio)benzaldehyde is a Warning substance. It can be harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, avoiding contact with skin, eyes, and clothing.
Is 4-(Trifluoromethylthio)benzaldehyde a controlled substance?
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The provided data does not indicate that 4-(Trifluoromethylthio)benzaldehyde is a controlled substance.
How is 4-(Trifluoromethylthio)benzaldehyde packed and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, packs and exports chemicals adhering to international shipping regulations to ensure safe and compliant delivery worldwide.
How can I request a sample or quote for 4-(Trifluoromethylthio)benzaldehyde?
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To request a sample or a quote for 4-(Trifluoromethylthio)benzaldehyde, please contact our sales team through the TSS website or by phone.
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