3-(Trifluoromethylthio)benzoic acid
3-(Trifluoromethylthio)benzoic acid (CAS: 946-65-6) is a carboxylic acid derivative with the molecular formula CF3SC6H4CO2H and a molecular weight of 222.18 g/mol. This compound functions as a valuable building block in organic synthesis. It is primarily utilised in chemical research and the development of novel materials and pharmaceutical intermediates, owing to its unique trifluoromethylthio functional group. Supplied by Tech Serve Solutions, it is available at a purity of 97%.

Organic Synthesis
As a functionalised benzoic acid derivative, this compound serves as a key intermediate in the synthesis of more complex organic molecules. The trifluoromethylthio group offers unique electronic and steric properties for further chemical transformations.
Pharmaceutical Research
The presence of the CF3S moiety makes this compound of interest in medicinal chemistry for the development of new drug candidates. It can be incorporated into molecular structures to modulate pharmacokinetic properties.
Materials Science
This chemical can be employed in the synthesis of specialty polymers or functional materials where the trifluoromethylthio group can impart specific characteristics, such as altered solubility or thermal stability.
| Molecular weight | 222.18 |
|---|---|
| Linear formula | CF3SC6H4CO2H |
| Assay | 97% |
| Melting point | 71-74 °C(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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-(Trifluoromethylthio)benzoic acid used for?
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3-(Trifluoromethylthio)benzoic acid (CAS: 946-65-6) is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and materials science, due to its unique trifluoromethylthio functional group.
What is the CAS number and molecular formula for 3-(Trifluoromethylthio)benzoic acid?
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The CAS number for 3-(Trifluoromethylthio)benzoic acid is 946-65-6, and its molecular formula is CF3SC6H4CO2H.
What grade and purity does Tech Serve Solutions supply for 3-(Trifluoromethylthio)benzoic acid?
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Tech Serve Solutions supplies 3-(Trifluoromethylthio)benzoic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product documentation.
How should 3-(Trifluoromethylthio)benzoic acid be handled safely?
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3-(Trifluoromethylthio)benzoic acid is classified as an irritant. Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation to avoid inhalation of dust and avoid contact with skin and eyes. Refer to the Safety Data Sheet for comprehensive handling information.
Is 3-(Trifluoromethylthio)benzoic acid a controlled substance?
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The provided data does not indicate that 3-(Trifluoromethylthio)benzoic acid (CAS: 946-65-6) is a controlled substance.
How is 3-(Trifluoromethylthio)benzoic acid typically packed and shipped?
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3-(Trifluoromethylthio)benzoic acid is carefully packed according to industry standards to ensure safe transit. As a global supplier, Tech Serve Solutions exports chemicals worldwide, adhering to all relevant shipping regulations.
How can I request a quote or sample for 3-(Trifluoromethylthio)benzoic acid?
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To request a quote or a sample of 3-(Trifluoromethylthio)benzoic acid, please visit the Tech Serve Solutions website or contact our sales department directly with your inquiry.
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