1,3,5-tris(trifluoromethyl)benzene
1,3,5-tris(trifluoromethyl)benzene (CAS 729-81-7) is a halogenated aromatic compound with the molecular formula C <sub>6</sub> H <sub>3</sub> (CF <sub>3</sub> )<sub>3</sub> and a molecular weight of 282.11 g/mol. Characterised by its three trifluoromethyl groups, this chemical serves as a valuable building block in organic synthesis. Its distinct properties make it suitable for applications in advanced materials and specialised chemical research.
- Synonyms
- 729-81-7C6H3(CF3)3

Organic Synthesis Building Block
This compound is utilised as a key intermediate in the synthesis of complex organic molecules. Its trifluoromethyl substituents impart unique electronic and steric properties, facilitating the creation of novel chemical structures.
Fluorinated Materials Research
The presence of multiple trifluoromethyl groups makes it a precursor for developing advanced fluorinated materials. These materials often exhibit enhanced thermal stability, chemical resistance, and specific electronic characteristics.
Specialty Chemical Intermediate
It serves as an intermediate in the production of various specialty chemicals where fluorination is a critical component for desired functionality. Its structure can be modified to yield diverse end products for niche applications.
| Molecular weight | 282.11 |
|---|---|
| Linear formula | C6H3(CF3)3 |
| Assay | 97% |
| Boiling point | 120 °C/750 mmHg(lit.) |
| Density | 1.514 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.359(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- 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 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 43 °C / 109.4 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36 |
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 1,3,5-tris(trifluoromethyl)benzene used for?
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1,3,5-tris(trifluoromethyl)benzene is primarily used as a building block in organic synthesis and in research for developing fluorinated materials and specialty chemicals.
What are the CAS number and molecular formula for 1,3,5-tris(trifluoromethyl)benzene?
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The CAS number is 729-81-7, and the molecular formula is C <sub>6</sub> H <sub>3</sub> (CF <sub>3</sub> )<sub>3</sub> .
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3,5-tris(trifluoromethyl)benzene with an assay of 97%. We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards.
How should 1,3,5-tris(trifluoromethyl)benzene be handled safely?
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1,3,5-tris(trifluoromethyl)benzene is a flammable liquid and vapour (H226) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and use in a well-ventilated area. Refer to the Safety Data Sheet for full handling instructions.
Is 1,3,5-tris(trifluoromethyl)benzene a controlled substance?
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Based on the provided data, 1,3,5-tris(trifluoromethyl)benzene is not listed as a controlled substance.
How is 1,3,5-tris(trifluoromethyl)benzene packed and shipped?
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The product is shipped as a UN 1993, Class 3, Packing Group III hazardous material, indicating it is a flammable liquid. Packaging will comply with relevant transportation regulations for such materials.
How can I request a quote or sample for 1,3,5-tris(trifluoromethyl)benzene?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (729-81-7).
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