3-(4-Chlorophenyl)propionic acid
3-(4-Chlorophenyl)propionic acid (CAS 2019-34-3), with the molecular formula ClC6H4CH2CH2CO2H and a molecular weight of 184.62 g/mol, is a carboxylic acid building block. It is characterised by its purity of 97% and is valuable in organic synthesis. This compound is particularly useful in the development of novel organic molecules and advanced materials, serving as a key intermediate in various chemical research and development pathways.
- IUPAC
- p-Chlorohydrocinnamic acid
- Synonyms
- p-Chlorohydrocinnamic acid

Organic Synthesis Intermediate
As a substituted propionic acid, 3-(4-Chlorophenyl)propionic acid serves as a versatile intermediate in the synthesis of more complex organic compounds. Its structure allows for various chemical transformations, making it a useful building block for medicinal chemistry and materials science.
Pharmaceutical Research
This compound can be employed in the early stages of drug discovery and development. It acts as a precursor for creating potential drug candidates and exploring new pharmacological activities within chemical research settings.
Materials Science
The molecule's structure lends itself to applications in materials science, where it may be used in the development of polymers or functionalised materials. Its specific properties can be leveraged to tailor material characteristics for advanced applications.
| Molecular weight | 184.62 |
|---|---|
| Linear formula | ClC6H4CH2CH2CO2H |
| Assay | 97% |
| Melting point | 127-131 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-36/37/39 |
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-Chlorophenyl)propionic acid used for?
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3-(4-Chlorophenyl)propionic acid (CAS 2019-34-3) is primarily used as a building block and intermediate in organic synthesis, including pharmaceutical research and materials science development.
What is the CAS number and molecular formula for 3-(4-Chlorophenyl)propionic acid?
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The CAS number for 3-(4-Chlorophenyl)propionic acid is 2019-34-3 and its molecular formula is ClC6H4CH2CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(4-Chlorophenyl)propionic acid with a minimum purity of 97%. This product is suitable for research and general chemical synthesis; TSS does not represent it as USP, BP, or EP grade.
How should 3-(4-Chlorophenyl)propionic acid be handled safely?
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3-(4-Chlorophenyl)propionic acid is classified as Danger (GHS05, GHS07) and causes severe eye damage (H318) and is harmful if swallowed (H302). Handle with appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves in a well-ventilated area. Avoid contact with eyes and skin.
How is 3-(4-Chlorophenyl)propionic acid packaged and shipped?
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3-(4-Chlorophenyl)propionic acid is carefully packaged according to international shipping regulations. TSS is a specialist global supplier and exporter, ensuring compliant and secure delivery worldwide.
How can I request a quote or sample for 3-(4-Chlorophenyl)propionic acid?
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To request a quote or a sample of 3-(4-Chlorophenyl)propionic acid, please contact the TSS sales team through our website or by phone, providing your specific requirements.
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