6,6′-Dithiodinicotinic acid
6,6′-Dithiodinicotinic acid (CAS: 15658-35-2) is a chemical compound with the molecular formula C12H8N2O4S2 and a molecular weight of 308.33 g/mol. It presents as a solid. This compound serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry and pyridine derivatives. Its structure lends itself to further chemical modification and incorporation into more complex molecular frameworks for research and development purposes.
- IUPAC
- Bis[3-Carboxypyridine] 6,6′-disulfide,Bis[3-carboxypyridine] 6,6′-disulfide
- Synonyms
- Bis[3-Carboxypyridine] 6,6′-disulfide

Chemical Synthesis Intermediate
6,6′-Dithiodinicotinic acid is utilised as a key intermediate in the synthesis of various organic compounds. Its disulfide bond and pyridine rings offer reactive sites for diverse chemical transformations.
Heterocyclic Chemistry
The compound is employed in heterocyclic chemistry due to its pyridine core. It can be incorporated into the design and synthesis of novel heterocyclic systems with potential applications in materials science and medicinal chemistry.
Research and Development
As a specialized building block, it finds application in research laboratories for exploring new synthetic routes and developing novel molecules. Its availability supports advanced chemical investigations.
| Molecular weight | 308.33 |
|---|---|
| Empirical formula | C12H8N2O4S2 |
| Assay | 85% |
| Melting point | 263-265 °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 |
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 6,6′-Dithiodinicotinic acid used for?
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6,6′-Dithiodinicotinic acid is used as a building block in chemical synthesis, particularly in heterocyclic chemistry and for the development of pyridine derivatives in research settings.
What is the CAS number and formula for 6,6′-Dithiodinicotinic acid?
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The CAS number for 6,6′-Dithiodinicotinic acid is 15658-35-2, and its empirical formula (Hill notation) is C12H8N2O4S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6,6′-Dithiodinicotinic acid with an assay of 85%. This product is not represented as USP, BP, or EP grade.
What are the safety precautions when handling 6,6′-Dithiodinicotinic acid?
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6,6′-Dithiodinicotinic acid is a warning irritant (H315, H319, H335). When handling, ensure adequate ventilation, wear a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust and contact with eyes, skin, and clothing.
How is 6,6′-Dithiodinicotinic acid packaged and shipped?
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This chemical is carefully packaged to ensure safe transit and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample of 6,6′-Dithiodinicotinic acid?
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To request a quote or sample, please contact our sales department via the website or direct inquiry, providing your specific requirements.
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