5-Cyano-1,3-benzenedicarboxylic acid
5-Cyano-1,3-benzenedicarboxylic acid (CAS: 23341-13-1), with the molecular formula C9H5NO4 and a molecular weight of 191.14 g/mol, is a key organic building block. This compound functions as a valuable intermediate in chemical synthesis, particularly for creating advanced materials and complex organic molecules. Its structure, featuring both carboxylic acid and nitrile functionalities, makes it suitable for applications in materials science, including the development of Metal-Organic Frameworks (MOFs) and potentially in alternative energy research.
- IUPAC
- 5-Cyanoisophthalic acid,H2CyIPT
- Synonyms
- 5-Cyanoisophthalic acidH2CyIPT

Organic Synthesis Intermediate
This molecule serves as a versatile building block in organic synthesis. Its dual functionality allows for diverse chemical transformations, facilitating the construction of complex organic structures for research and development.
Materials Science Research
The compound is utilised in the development of novel materials. Its structure is well-suited for incorporation into Metal-Organic Frameworks (MOFs), contributing to advanced material properties for applications in gas storage or catalysis.
Alternative Energy Development
Research into advanced materials for alternative energy solutions may utilise 5-Cyano-1,3-benzenedicarboxylic acid. Its unique chemical properties can be leveraged in the design of materials for energy storage or conversion technologies.
| Molecular weight | 191.14 |
|---|---|
| Empirical formula | C9H5NO4 |
| Assay | ≥95% |
| Melting point | 248-252 °C |

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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 5-Cyano-1,3-benzenedicarboxylic acid used for?
+
5-Cyano-1,3-benzenedicarboxylic acid is primarily used as an intermediate in organic synthesis and in materials science research, particularly for creating Metal-Organic Frameworks (MOFs) and exploring applications in alternative energy.
What are the CAS number and formula for 5-Cyano-1,3-benzenedicarboxylic acid?
+
The CAS number is 23341-13-1 and the empirical formula (Hill Notation) is C9H5NO4.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 5-Cyano-1,3-benzenedicarboxylic acid with an assay of ≥95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling considerations for this product?
+
This product is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray. In case of contact with eyes, rinse cautiously with water for several minutes.
How is 5-Cyano-1,3-benzenedicarboxylic acid packed, shipped, and exported?
+
Tech Serve Solutions, as a specialist global supplier, professionally packs, ships, and exports chemicals worldwide, adhering to all relevant shipping and safety regulations.
How can I request a sample or a quote for 5-Cyano-1,3-benzenedicarboxylic acid?
+
To request a sample or a quote, please use the contact form on our website or contact our sales department directly, providing the product name and CAS number (23341-13-1).
▶ 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