4-(Trifluoromethylthio)benzyl bromide
4-(Trifluoromethylthio)benzyl bromide (CAS 21101-63-3) is a valuable organic building block with the molecular formula C <sub>6</sub> H <sub>4</sub> CH <sub>2</sub> BrSCF <sub>3</sub> and a molecular weight of 271.10 g/mol. This compound is characterised by its reactive benzyl bromide moiety and the trifluoromethylthio group, making it useful in organic synthesis. It is supplied by TSS with an assay of 97%.

Synthetic Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules, particularly where a trifluoromethylthio-substituted benzyl group is required. Its reactivity allows for versatile derivatisation in multi-step synthetic pathways.
Pharmaceutical Research
Serves as a building block in the development of novel pharmaceutical agents. The trifluoromethylthio group can influence lipophilicity and metabolic stability, properties often sought in drug discovery programmes.
Agrochemical Development
Employed in the synthesis of new agrochemicals. The unique electronic and steric properties conferred by the trifluoromethylthio moiety can be beneficial for creating active compounds with specific biological activities.
Materials Science
Potentially used in the creation of specialised polymers or functional materials where the trifluoromethylthio group imparts desired characteristics such as thermal stability or altered electronic properties.
| Molecular weight | 271.10 |
|---|---|
| Linear formula | C6H4CH2BrSCF3 |
| Assay | 97% |
| Melting point | 53-57 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1759 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-36/37/39-45 |
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)benzyl bromide used for?
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4-(Trifluoromethylthio)benzyl bromide is primarily used as a synthetic intermediate in organic chemistry, particularly for the introduction of the 4-(trifluoromethylthio)benzyl group into more complex molecules for pharmaceutical, agrochemical, and materials science research.
What is the CAS number and molecular formula of 4-(Trifluoromethylthio)benzyl bromide?
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The CAS number for 4-(Trifluoromethylthio)benzyl bromide is 21101-63-3. The molecular formula is C <sub>6</sub> H <sub>4</sub> CH <sub>2</sub> BrSCF <sub>3</sub> .
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Trifluoromethylthio)benzyl bromide with an assay of 97%. TSS does not represent this product as USP, EP, BP, or any other pharmacopoeia grade.
How should 4-(Trifluoromethylthio)benzyl bromide be handled safely?
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This compound is classified as corrosive (H314) and requires careful handling. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, must be used. Handle in a well-ventilated area, and avoid contact with skin, eyes, and clothing.
Is 4-(Trifluoromethylthio)benzyl bromide available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-(Trifluoromethylthio)benzyl bromide, adhering to all international shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample of 4-(Trifluoromethylthio)benzyl bromide, please contact our sales team through the website or by email, providing your specific requirements and shipping details.
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