3,5-Bis(trifluoromethyl)phenylacetic acid
3,5-Bis(trifluoromethyl)phenylacetic acid (CAS 85068-33-3) is a specialized organic compound primarily used as a building block in chemical synthesis. Its structure, featuring two trifluoromethyl groups on a phenylacetic acid core, makes it valuable for creating complex molecular libraries and for research applications. This compound plays a role in the development of new materials and pharmaceutical intermediates, contributing to advancements in various scientific fields.
- Synonyms
- (CF3)2C6H3CH2CO2H

Synthesis of Molecular Libraries
Used as a key building block for the synthesis of diverse pentaamine and bis-heterocyclic compound libraries, enabling drug discovery and materials science research.
Environmental Analysis
Applied in the determination and analysis of ionic perfluorinated substances and telomers found in environmental samples such as landfill leachates and sediments.
Organic Synthesis
Serves as a versatile intermediate in organic synthesis, facilitating the construction of fluorinated organic molecules for research and development.
| Molecular weight | 272.14 |
|---|---|
| Linear formula | (CF3)2C6H3CH2CO2H |
| Assay | 98% |
| Solubility | methanol: soluble25 mg/mL, clear, colorless |
| Application | 3,5-Bis(trifluoromethyl)phenylacetic acid has been used:• as building block to synthesize the pentaamine and bis-heterocyclic libraries1• in determination of ionic perfluorinated substances and telomers in leachates from landfills and sediment samples2 |
| Melting point | 121-123 °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 3,5-Bis(trifluoromethyl)phenylacetic acid used for?
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It is used as a building block in chemical synthesis, particularly for creating libraries of compounds like pentaamines and bis-heterocycles, and in environmental analysis for detecting perfluorinated substances.
What is the CAS number and chemical formula?
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The CAS number is 85068-33-3. The linear formula is (CF3)2C6H3CH2CO2H.
What is the purity or grade of this product?
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This product is supplied at a minimum assay of 98%, suitable for research and chemical synthesis applications.
What are the main safety hazards associated with this chemical?
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This compound is classified with GHS07 symbol and a Warning signal word. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask, eye shields, and gloves, should be used.
How is this chemical shipped or exported?
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As a global supplier, TSS ensures that all chemicals are packed and exported in compliance with international shipping and safety regulations.
How can I request a quote for 3,5-Bis(trifluoromethyl)phenylacetic acid?
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To request a quote, please use the 'Request a Quote' feature on our website or contact our sales team directly with your inquiry, referencing the product name and CAS number.
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