3,4,5-Trifluoronitrobenzene
3,4,5-Trifluoronitrobenzene (CAS: 66684-58-0) is an organic compound with the molecular formula C6H2F3NO2 and a molecular weight of 177.08 g/mol. This trifluorinated nitrobenzene derivative serves as a valuable intermediate in organic synthesis. It is primarily utilised as a building block in the development of complex organic molecules, particularly within the agrochemical and pharmaceutical research sectors, owing to its unique fluorinated aromatic structure.
- IUPAC
- 1,2,3-Trifluoro-5-nitrobenzene,1-Nitro-3,4,5-trifluorobenzene
- Synonyms
- 66684-58-0C6H2F3NO21,2,3-Trifluoro-5-nitrobenzene1-Nitro-3,4,5-trifluorobenzene

Agrochemical Synthesis
Used as a precursor in the synthesis of novel agrochemicals. Its trifluorinated aromatic ring can impart desirable properties to active ingredients.
Pharmaceutical Research
Serves as a key building block in the discovery and development of new pharmaceutical compounds. The fluorine atoms can modulate pharmacokinetic properties.
Organic Synthesis Intermediate
A versatile reagent for introducing the 3,4,5-trifluoronitrophenyl moiety into various organic structures. Useful in creating complex molecules.
Materials Science
Potential applications in the synthesis of functional materials where fluorinated aromatic units are beneficial for specific electronic or physical properties.
| Molecular weight | 177.08 |
|---|---|
| Empirical formula | C6H2F3NO2 |
| Assay | 97% |
| Density | 1.517 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.486(lit.) |

Hazard statements
- H300Fatal if swallowed
Precautionary statements
- P264Wash thoroughly after handling
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 75 °C / 167 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 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 3,4,5-Trifluoronitrobenzene used for?
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3,4,5-Trifluoronitrobenzene (CAS: 66684-58-0) is primarily used as a building block and intermediate in organic synthesis, particularly for agrochemical and pharmaceutical research, and in materials science.
What are the CAS number and formula for 3,4,5-Trifluoronitrobenzene?
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The CAS number for 3,4,5-Trifluoronitrobenzene is 66684-58-0, and its molecular formula is C6H2F3NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4,5-Trifluoronitrobenzene with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3,4,5-Trifluoronitrobenzene be handled?
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3,4,5-Trifluoronitrobenzene is classified as Danger (GHS06) due to H300 (Fatal if swallowed). Handle with extreme care, using appropriate personal protective equipment including eyeshields, face shields, gloves, and a suitable respirator. Ensure adequate ventilation. Store in a secure, well-ventilated area.
Is 3,4,5-Trifluoronitrobenzene shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3,4,5-Trifluoronitrobenzene.
How can I request a quote or sample?
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Please contact our sales department or use the online enquiry form on the Tech Serve Solutions website to request a quote or sample of 3,4,5-Trifluoronitrobenzene.
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