Biphenyl-3,3′,5,5′-tetracarboxylic acid
Biphenyl-3,3′,5,5′-tetracarboxylic acid (CAS: 4371-28-2) is a high-purity organic compound with the molecular formula C16H10O8 and a molecular weight of 330.25 g/mol. This white solid serves as a critical building block and organic linker molecule in advanced materials science. Its primary applications lie in the synthesis of Metal-Organic Frameworks (MOFs), contributing to areas such as hydrogen storage and physisorption technologies. This compound is essential for developing novel porous materials for various industrial and research applications.
- Synonyms
- 5′-tetracarboxylic acid

Metal-Organic Frameworks (MOFs) Synthesis
Biphenyl-3,3′,5,5′-tetracarboxylic acid acts as a versatile organic linker for constructing MOF structures. These frameworks exhibit high surface areas and tunable pore sizes, making them ideal for gas storage, separation, and catalysis.
Materials for Hydrogen Storage
The porous nature of MOFs derived from this linker molecule makes them promising candidates for efficient hydrogen storage applications. Research focuses on developing materials with high uptake capacity and reversible adsorption.
Physisorption Applications
Materials synthesised using Biphenyl-3,3′,5,5′-tetracarboxylic acid can be employed in physisorption processes for gas separation and purification. The controlled pore environments enable selective adsorption of various molecules.
Organic Synthesis Building Block
As a difunctional carboxylic acid, it serves as a valuable building block in organic synthesis for creating complex molecules and polymers with specific properties. It is useful in chemical research and development.
| Molecular weight | 330.25 |
|---|---|
| Empirical formula | C16H10O8 |
| Form | solid |
| Melting point | >400 °C |

Hazard statements
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 50 |
| Safety statements (S) | 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 Biphenyl-3,3′,5,5′-tetracarboxylic acid used for?
+
This compound is primarily used as an organic linker molecule for the synthesis of Metal-Organic Frameworks (MOFs), which are applied in areas like hydrogen storage and physisorption. It also functions as a building block in organic synthesis.
What are the CAS number and molecular formula?
+
The CAS number is 4371-28-2, and the molecular formula is C16H10O8.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this compound as a solid. The exact assay and purity are available upon request or via the product's specification sheet. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should Biphenyl-3,3′,5,5′-tetracarboxylic acid be handled?
+
This compound is classified as hazardous to the aquatic environment (H400). Handle with appropriate personal protective equipment in a well-ventilated area, and avoid release into the environment (P273). Consult the Safety Data Sheet for detailed handling instructions.
How is Biphenyl-3,3′,5,5′-tetracarboxylic acid packed and shipped?
+
This chemical is typically supplied as a solid. It is exported and shipped in compliance with all relevant transportation regulations, including UN 3077, 9/PGIII classification for environmentally hazardous substances.
How can I request a sample or quote?
+
To request a sample or a quotation for Biphenyl-3,3′,5,5′-tetracarboxylic acid, please contact our sales team through the website or by phone. We are happy to assist with your specific requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis