3-Cyanobenzoic acid
3-Cyanobenzoic acid (CAS: 1877-72-1, Formula: NCC6H4CO2H, MW: 147.13) is a valuable organic compound. It functions as a versatile building block in chemical synthesis, particularly within the realms of organic chemistry and materials science. Its structure, featuring both a nitrile and a carboxylic acid group, allows for diverse chemical transformations, making it a key intermediate for more complex molecules.
- IUPAC
- Isophthalic acid mononitrile
- Synonyms
- Isophthalic acid mononitrile

Coordination Polymer Synthesis
3-Cyanobenzoic acid has been utilised in the creation of unique coordination polymers. For example, it was employed in the synthesis of the three-dimensional coordination polymer, [Mn3(OH)2Na2(3-cnba)6]n, demonstrating its utility in advanced materials research.
Organic Synthesis Intermediate
As a bifunctional organic molecule, 3-Cyanobenzoic acid serves as a key intermediate in the synthesis of various organic compounds. Its reactive nitrile and carboxylic acid groups enable its incorporation into a wide range of chemical structures.
Research and Development
This compound is frequently used in research laboratories as a building block for exploring new chemical entities and reaction pathways. Its availability facilitates academic and industrial R&D efforts in chemistry.
| Molecular weight | 147.13 |
|---|---|
| Linear formula | NCC6H4CO2H |
| Assay | 98% |
| Grade | purum |
| Application | 3-Cyanobenzoic acid (3-cnba) has been used in the synthesis of three-dimensional coordination polymer, [Mn3(OH)2Na2(3-cnba)6]n1. |
| Melting point | 220-224 °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-Cyanobenzoic acid used for?
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3-Cyanobenzoic acid is primarily used as a building block in organic synthesis and in the preparation of coordination polymers. It serves as an intermediate for creating more complex molecules in research and development.
What are the CAS number and molecular formula for 3-Cyanobenzoic acid?
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The CAS number for 3-Cyanobenzoic acid is 1877-72-1, and its molecular formula is NCC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Cyanobenzoic acid with an assay of 98%, specified as purum grade. We do not represent this product as USP, BP, or EP grade.
How should 3-Cyanobenzoic acid be handled safely?
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3-Cyanobenzoic acid is an irritant. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 US recommended). Avoid breathing dust and ensure adequate ventilation.
Is 3-Cyanobenzoic acid a controlled substance?
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Based on the provided data, 3-Cyanobenzoic acid is not listed as a controlled substance.
How can I request a quote or sample of 3-Cyanobenzoic acid?
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To request a quote or sample of 3-Cyanobenzoic acid, please contact our sales department through the website or by calling us directly.
How is 3-Cyanobenzoic acid packed and shipped?
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3-Cyanobenzoic acid is carefully packed according to industry standards to ensure safe transit. We export globally, adhering to all necessary regulations for chemical shipments.
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