2,4-Bis(trifluoromethyl)benzyl bromide
2,4-Bis(trifluoromethyl)benzyl bromide (CAS: 140690-56-8) is an organic compound with the linear formula (CF3)2C6H3CH2Br. Possessing a molecular weight of 307.03 g/mol, this halogenated hydrocarbon serves as a valuable building block in chemical synthesis. It is particularly useful for introducing the 2,4-bis(trifluoromethyl)benzyl moiety into target molecules, finding application in research and development settings.
- IUPAC
- 1-(Bromomethyl)-2,4-bis(trifluoromethyl)benzene
- Synonyms
- (CF3)2C6H3CH2Br1-(Bromomethyl)-2,4-bis(trifluoromethyl)benzene

Chemical Synthesis
This compound is employed as a reagent in organic synthesis to construct more complex molecules. Its benzyl bromide functionality allows for alkylation reactions.
Research and Development
It serves as a building block in academic and industrial research laboratories for exploring new chemical entities and reaction pathways.
Intermediate for Specialty Chemicals
May be used in the synthesis of various specialty chemicals where the trifluoromethylated phenyl group is desired.
| Molecular weight | 307.03 |
|---|---|
| Linear formula | (CF3)2C6H3CH2Br |
| Assay | 95% |
| Density | 1.637 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.451(lit.) |
| Application | 2,4-Bis(trifluoromethyl)benzyl bromide may be used in chemical synthesis studies. |


Hazard statements
- H226Flammable liquid and vapour
- 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 | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 54 °C / 129.2 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-34 |
| Safety statements (S) | 16-26-27-36/37/39-45 |
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 2,4-Bis(trifluoromethyl)benzyl bromide used for?
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2,4-Bis(trifluoromethyl)benzyl bromide is used as a building block in chemical synthesis studies.
What are the CAS number and formula for 2,4-Bis(trifluoromethyl)benzyl bromide?
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The CAS number is 140690-56-8 and the linear formula is (CF3)2C6H3CH2Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Bis(trifluoromethyl)benzyl bromide with an assay of 95%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,4-Bis(trifluoromethyl)benzyl bromide be handled safely?
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2,4-Bis(trifluoromethyl)benzyl bromide is a Danger substance (H226-H314). Handle with appropriate personal protective equipment including faceshields, a full-face respirator, gloves, and goggles. Ensure adequate ventilation and avoid ignition sources. Refer to the Safety Data Sheet for full guidance.
How is 2,4-Bis(trifluoromethyl)benzyl bromide packed and exported?
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This chemical is shipped as UN 2920, Hazard Class 3(8), Packing Group II. Tech Serve Solutions, a global supplier and exporter since 1998, handles international shipping with expertise.
How can I request a quote or sample for 2,4-Bis(trifluoromethyl)benzyl bromide?
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To request a quote or sample, please contact our sales team through the TSS website or by phone, providing the product name and CAS number (140690-56-8).
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