trans-3-Fluorocinnamic acid
trans-3-Fluorocinnamic acid (CAS: 20595-30-6) is an organic compound with the molecular formula C9H7FO2 and a molecular weight of 166.15 g/mol. This fluorinated carboxylic acid serves as a valuable building block in organic synthesis. Its structure, featuring a trans-configured double bond and a fluorine atom on the phenyl ring, allows for diverse chemical transformations. It is primarily utilised in research and development settings for the synthesis of more complex molecules.
- IUPAC
- trans-3-(3-Fluorophenyl)propenoic acid

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of novel organic compounds. The presence of the carboxylic acid group and the fluorinated phenyl ring offers multiple reaction sites for further functionalization.
Pharmaceutical Research
Serves as a building block in the development of potential pharmaceutical agents. Fluorine substitution can modulate pharmacokinetic properties of drug candidates.
Materials Science
Investigated for its potential incorporation into novel polymers or functional materials, leveraging the unique properties imparted by the fluorine atom and conjugated system.
| Molecular weight | 166.15 |
|---|---|
| Linear formula | FC6H4CH=CHCO2H |
| Assay | 98% |
| Melting point | 162-164 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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 trans-3-Fluorocinnamic acid used for?
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trans-3-Fluorocinnamic acid is used as a building block in organic synthesis, particularly in pharmaceutical research and potentially in materials science, for creating more complex molecules.
What are the CAS number and chemical formula for trans-3-Fluorocinnamic acid?
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The CAS number is 20595-30-6, and the chemical formula is C9H7FO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-3-Fluorocinnamic acid with a purity of 98%. This is a technical/research grade material and is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for trans-3-Fluorocinnamic acid?
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This compound is classified as Danger. It is harmful if swallowed (H301), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, faceshields, and gloves, must be used. Ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
Does TSS export trans-3-Fluorocinnamic acid?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including trans-3-Fluorocinnamic acid.
How can I request a quote or sample for trans-3-Fluorocinnamic acid?
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To request a quote or sample, please contact our sales team through the website or by calling our main office. Provide the product name and CAS number (20595-30-6).
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