4-(Trifluoromethylthio)benzoic acid
4-(Trifluoromethylthio)benzoic acid (CAS 330-17-6) is a versatile organic compound with the linear formula C6H4COOHSCF3 and a molecular weight of 222.18 g/mol. This carboxylic acid derivative, featuring a trifluoromethylthio group, serves as a valuable building block in chemical synthesis. Its utility spans various research and development applications, particularly in the creation of novel organic molecules and advanced materials where its unique functional group can impart specific properties.

Organic Synthesis Intermediate
4-(Trifluoromethylthio)benzoic acid functions as a key intermediate in the synthesis of complex organic molecules. Its structure allows for further functionalization through reactions involving the carboxylic acid group or modifications to the aromatic ring.
Material Science Research
The compound's trifluoromethylthio moiety can be incorporated into polymers and advanced materials to modify their electronic, thermal, or optical properties. This makes it a candidate for research in specialized material applications.
Pharmaceutical Research
As a building block, it may be used in the discovery and development phases of new pharmaceutical agents. The trifluoromethylthio group can influence lipophilicity and metabolic stability of drug candidates.
| Molecular weight | 222.18 |
|---|---|
| Linear formula | C6H4COOHSCF3 |
| Assay | 97% |
| Melting point | 159.5-162.5 °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 4-(Trifluoromethylthio)benzoic acid used for?
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4-(Trifluoromethylthio)benzoic acid (CAS 330-17-6) is primarily used as a building block in organic synthesis, with potential applications in material science and pharmaceutical research.
What are the CAS number and formula for 4-(Trifluoromethylthio)benzoic acid?
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The CAS number is 330-17-6 and the linear formula is C6H4COOHSCF3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Trifluoromethylthio)benzoic acid with an assay of 97%. This is suitable for research and technical applications; TSS does not represent it as USP, BP, or EP grade.
How should 4-(Trifluoromethylthio)benzoic acid be handled?
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This compound is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is 4-(Trifluoromethylthio)benzoic acid a controlled substance?
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Based on the provided data, there is no indication that 4-(Trifluoromethylthio)benzoic acid is a controlled substance.
How is 4-(Trifluoromethylthio)benzoic acid packed and shipped?
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Tech Serve Solutions securely packs and exports chemicals globally, adhering to all relevant shipping regulations. Specific packaging details can be confirmed upon request.
How can I request a sample or quote for 4-(Trifluoromethylthio)benzoic acid?
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To request a sample or a quote, please use the contact form on the Tech Serve Solutions website or contact our sales department directly.
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