Oxalyldihydrazide
Oxalyldihydrazide (CAS: 996-98-5) is an organic compound with the linear formula NH2NHCOCONHNH2 and a molecular weight of 118.09 g/mol. This white crystalline solid serves as a valuable building block in chemical synthesis. It is frequently employed in the preparation of various heterocyclic compounds and coordination polymers, finding utility in research and development laboratories.
- IUPAC
- Oxalic dihydrazide,Oxalylhydrazide
- Synonyms
- Oxalic dihydrazideOxalylhydrazide

Chemical Synthesis Intermediate
Oxalyldihydrazide acts as a key intermediate in organic synthesis, particularly for the formation of heterocyclic structures and complex organic molecules. Its reactive hydrazide groups allow for versatile derivatization.
Precursor for Heterocyclic Compounds
This compound is utilised in the synthesis of various heterocyclic systems, which are important scaffolds in medicinal chemistry and material science. Reactions often involve condensation with dicarbonyl compounds.
Ligand in Coordination Chemistry
Oxalyldihydrazide can function as a ligand in coordination chemistry, forming complexes with metal ions. These complexes may exhibit interesting magnetic or catalytic properties.
| Molecular weight | 118.09 |
|---|---|
| Linear formula | NH2NHCOCONHNH2 |
| Assay | 98% |
| Melting point | 242-244 °C (dec.)(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 Oxalyldihydrazide used for?
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Oxalyldihydrazide is primarily used as a building block in chemical synthesis, particularly for preparing heterocyclic compounds and coordination polymers. It is also employed as an intermediate in organic synthesis.
What are the CAS number and formula for Oxalyldihydrazide?
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The CAS number for Oxalyldihydrazide is 996-98-5, and its linear formula is NH2NHCOCONHNH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Oxalyldihydrazide with an assay of 98%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Oxalyldihydrazide be handled safely?
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Handle Oxalyldihydrazide with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Consult the Safety Data Sheet for detailed handling information, as it is classified under WGK Germany 3.
Does TSS export Oxalyldihydrazide?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Oxalyldihydrazide.
How can I request a quote or sample for Oxalyldihydrazide?
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To request a quote or sample for Oxalyldihydrazide, please contact our sales team through the website or by phone.
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