2,4-Pyridinedicarboxylic acid monohydrate
2,4-Pyridinedicarboxylic acid monohydrate (CAS: 207671-42-9), with the empirical formula C7H5NO4 · H2O and a molecular weight of 185.13, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyridine derivatives. This compound is typically supplied at an assay of 98% and is suitable for research and development purposes.
- Synonyms
- C7H5NO4 · H2O

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. Its pyridine ring and carboxylic acid functionalities offer versatile reaction sites for derivatization.
Heterocyclic Chemistry Research
Utilised in academic and industrial research focused on heterocyclic chemistry, it aids in the exploration of novel pyridine-based structures and their properties.
Building Block for Specialty Chemicals
Serves as a foundational component for the development of specialty chemicals, including potential pharmaceutical intermediates and advanced materials, owing to its specific structural features.
| Molecular weight | 185.13 |
|---|---|
| Empirical formula | C7H5NO4 · H2O |
| Assay | 98% |
| Melting point | 246-248 °C (dec.)(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 |
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 2,4-Pyridinedicarboxylic acid monohydrate used for?
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2,4-Pyridinedicarboxylic acid monohydrate is primarily used as a building block in organic synthesis and research within heterocyclic chemistry, particularly for creating pyridine derivatives.
What are the CAS number and formula for 2,4-Pyridinedicarboxylic acid monohydrate?
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The CAS number is 207671-42-9, and its empirical formula is C7H5NO4 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Pyridinedicarboxylic acid monohydrate with an assay of 98%. This product is intended for research and technical use; it is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,4-Pyridinedicarboxylic acid monohydrate be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. This compound is classified as a warning substance, causing skin irritation, eye irritation, and respiratory irritation (H315-H319-H335).
Is 2,4-Pyridinedicarboxylic acid monohydrate a controlled substance?
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Based on the provided data, there is no indication that 2,4-Pyridinedicarboxylic acid monohydrate is a controlled substance.
How is this chemical exported and shipped?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, and can arrange for the export and shipment of 2,4-Pyridinedicarboxylic acid monohydrate according to international regulations and customer requirements.
How can I request a sample or quote for 2,4-Pyridinedicarboxylic acid monohydrate?
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To request a sample or a quote, please contact our sales team through the website or by direct inquiry, providing your specific requirements and shipping details.
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