4-(trans-2-Carboxyvinyl)phenylboronic acid
4-(trans-2-Carboxyvinyl)phenylboronic acid (CAS: 159896-15-8) is an organic compound with the formula C9H9BO4 and a molecular weight of 191.98 g/mol. It is a valuable building block in organic synthesis, particularly known for its utility as a reactant in the preparation of various complex molecules. This boronic acid derivative plays a role in advanced chemical research and development.
- IUPAC
- 4-(2-Carboxy-(E)-ethenyl)benzeneboronic acid,4-(E-2-Carboxyvinyl)phenylboronic acid

Organic Synthesis Intermediate
Serves as a key reactant in organic synthesis, enabling the construction of intricate molecular architectures. Its boronic acid functional group participates in various coupling reactions.
Material Science Research
Potentially used in the synthesis of novel materials, including polymeric complexes, due to its functional groups. Specifically noted as a reactant for the preparation of nickel thiocyanate pyridylphenylpropenate polymeric complex.
Chemical Research and Development
A versatile reagent employed in laboratories for exploring new synthetic pathways and developing novel chemical entities. Useful in academic and industrial research settings.
| Molecular weight | 191.98 |
|---|---|
| Empirical formula | C9H9BO4 |
| Storage temperature | 2-8°C |
| Application | Reactant for:• Preparation of nickel thiocyanate pyridylphenylpropenate polymeric complex |
| Melting point | 187-193 °C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 4-(trans-2-Carboxyvinyl)phenylboronic acid used for?
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This compound is primarily used as a reactant in organic synthesis, notably for the preparation of nickel thiocyanate pyridylphenylpropenate polymeric complex and in broader chemical research and development.
What is the CAS number and formula for 4-(trans-2-Carboxyvinyl)phenylboronic acid?
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The CAS number is 159896-15-8 and the empirical formula is C9H9BO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. The specific assay and grade are available upon request, and it is not represented as USP, BP, or EP grade.
How should 4-(trans-2-Carboxyvinyl)phenylboronic acid be handled?
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This compound is classified as harmful if swallowed (H302) and requires careful handling. It is recommended to use appropriate personal protective equipment and follow standard laboratory safety protocols. Storage at 2-8°C is advised.
Is 4-(trans-2-Carboxyvinyl)phenylboronic acid a controlled substance?
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The provided data does not indicate that 4-(trans-2-Carboxyvinyl)phenylboronic acid is a controlled substance.
How is this product packed, shipped, and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, packs and ships chemicals according to international regulations. Detailed shipping and export information can be provided upon inquiry.
How can I request a sample or quote for 4-(trans-2-Carboxyvinyl)phenylboronic acid?
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To request a sample or quote, please contact Tech Serve Solutions directly through our website or sales department, providing the product name and CAS number (159896-15-8).
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