p-Terphenyl-4-carboxylic acid
p-Terphenyl-4-carboxylic acid (CAS 5731-15-7), a C19H14O2 molecule with a molecular weight of 274.31 g/mol, is a valuable organic building block. This compound, featuring a terphenyl backbone with a carboxylic acid functional group, serves as a key intermediate in chemical synthesis. Its structure lends itself to applications in materials science and organic chemistry research, facilitating the construction of more complex molecular architectures.

Organic Synthesis Intermediate
Utilised as a building block in the synthesis of advanced organic molecules and complex structures. Its carboxylic acid moiety allows for further functionalisation or incorporation into larger systems.
Materials Science Research
Can be employed in the development of novel materials, potentially contributing to polymers, liquid crystals, or other advanced functional materials due to its rigid terphenyl core.
Pharmaceutical Research
Serves as a precursor or intermediate in the research and development of new pharmaceutical compounds. Its structure may be integrated into drug discovery programmes.
| Molecular weight | 274.31 |
|---|---|
| Empirical formula | C19H14O2 |
| Assay | 97% |
| Melting point | 305 °C (dec.) |


Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-36-50/53 |
| Safety statements (S) | 26-36-60-61 |
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 p-Terphenyl-4-carboxylic acid used for?
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p-Terphenyl-4-carboxylic acid is primarily used as an organic building block in chemical synthesis and in materials science research. It can serve as an intermediate for developing new molecules, including potential pharmaceutical candidates and advanced materials.
What are the CAS number and formula for p-Terphenyl-4-carboxylic acid?
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The CAS number for p-Terphenyl-4-carboxylic acid is 5731-15-7, and its empirical formula is C19H14O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies p-Terphenyl-4-carboxylic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the primary safety concerns when handling p-Terphenyl-4-carboxylic acid?
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This compound is classified as harmful if swallowed (H302), causes serious eye irritation (H319), and is very toxic to aquatic life with long-lasting effects (H410). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask, and avoid release into the environment.
How is p-Terphenyl-4-carboxylic acid packed, shipped, and exported?
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p-Terphenyl-4-carboxylic acid is packed according to industry standards to ensure safe transport. As a global supplier, Tech Serve Solutions exports this chemical worldwide, adhering to all relevant international shipping regulations, including UN 3077 for transport.
How can I request a sample or quote for p-Terphenyl-4-carboxylic acid?
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To request a sample or a quotation for p-Terphenyl-4-carboxylic acid, please contact our sales department through the methods provided on the Tech Serve Solutions website.
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