Phthalhydrazide
Phthalhydrazide (CAS: 1445-69-8), with the molecular formula C8H6N2O2 and a molecular weight of 162.15 g/mol, is a heterocyclic organic compound. It is primarily recognised for its role as a building block in chemical synthesis. This compound, also known as 2,3-Dihydro-1,4-phthalazinedione, serves as a valuable intermediate in the development of more complex organic molecules across various research and industrial sectors.
- IUPAC
- 2,3-Dihydro-1,4-phthalazinedione

Organic Synthesis Intermediate
Phthalhydrazide functions as a key intermediate in the synthesis of various organic compounds. Its structure allows for further functionalisation, making it useful in multi-step synthetic pathways.
Research and Development
This compound is utilised in laboratory settings for research purposes, particularly in the exploration of new chemical reactions and the development of novel materials or pharmaceutical candidates.
Building Block for Heterocycles
As an organic building block, phthalhydrazide can be incorporated into the synthesis of more complex heterocyclic systems, which are prevalent in medicinal chemistry and materials science.
| Molecular weight | 162.15 |
|---|---|
| Empirical formula | C8H6N2O2 |
| Assay | 99% |
| Melting point | >300 °C(lit.) |
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 Phthalhydrazide used for?
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Phthalhydrazide is primarily used as a building block and intermediate in organic synthesis and for research and development purposes.
What is the CAS number and formula for Phthalhydrazide?
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The CAS number for Phthalhydrazide is 1445-69-8, and its molecular formula is C8H6N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phthalhydrazide with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should Phthalhydrazide be handled?
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Phthalhydrazide has a WGK Germany rating of 3, indicating it is hazardous to water. Handle with appropriate safety precautions to avoid exposure and environmental release.
How is Phthalhydrazide packed and shipped?
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Phthalhydrazide is available for export globally. Please contact us for specific packaging and shipping details relevant to your region.
How can I request a quote or sample?
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To request a quote or sample of Phthalhydrazide, please use the contact form on our website or contact our sales team directly.
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