3-(p-Tolyl)propionic acid
3-(p-Tolyl)propionic acid (CAS: 1505-50-6), with the molecular formula CH3C6H4CH2CH2CO2H and a molar mass of 164.20 g/mol, is a carboxylic acid derivative. This organic compound serves as a valuable building block in chemical synthesis. It is primarily utilised in research and development settings for the creation of more complex molecules and has been employed in specific coupling reactions within organic chemistry research.

Organic Synthesis Intermediate
As a carboxylic acid and an aromatic compound, 3-(p-Tolyl)propionic acid functions as a versatile intermediate in organic synthesis. It can undergo typical carboxylic acid reactions and its aromatic ring can be further functionalised, making it useful for constructing complex molecular architectures.
Research and Development
This compound is utilised in laboratory research for exploring new synthetic pathways and developing novel chemical entities. Its structure lends itself to various derivatisation strategies in academic and industrial R&D.
Coupling Reactions
3-(p-Tolyl)propionic acid has been documented in literature for its use in specific coupling reactions, such as the coupling of carbodiimides with resins for potential use in solid-phase synthesis or related applications.
| Molecular weight | 164.20 |
|---|---|
| Linear formula | CH3C6H4CH2CH2CO2H |
| Assay | 98% |
| Application | 3-(p-Tolyl)propionic acid was used during the coupling of 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide with 4,5-diphenyl-2-(2-p-tolyl-ethyl)-4,5-dihydro-1H-imidazole resin1. |
| Melting point | 115-118 °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-(p-Tolyl)propionic acid used for?
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3-(p-Tolyl)propionic acid is used as a building block in organic synthesis and in research and development for creating complex molecules. It has also been employed in specific coupling reactions.
What is the CAS number and molecular formula for 3-(p-Tolyl)propionic acid?
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The CAS number is 1505-50-6 and the molecular formula is CH3C6H4CH2CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(p-Tolyl)propionic acid with an assay of 98%. This product is intended for research and laboratory use, and TSS does not represent it as meeting USP, BP, or EP pharmacopoeia standards.
What are the safety and handling recommendations for 3-(p-Tolyl)propionic acid?
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3-(p-Tolyl)propionic acid is classified as a Warning substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). When handling, use a dust mask type N95 (US), wear eyeshields and gloves. Ensure adequate ventilation and avoid breathing dust.
How is 3-(p-Tolyl)propionic acid packed and shipped by TSS?
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As a global supplier and exporter, Tech Serve Solutions ensures appropriate packaging for safe transport and export of 3-(p-Tolyl)propionic acid, adhering to all relevant shipping regulations.
How can I request a sample or quote for 3-(p-Tolyl)propionic acid?
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To request a sample or a quote for 3-(p-Tolyl)propionic acid, please contact our sales team through the website or by phone, providing your specific requirements.
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