Antipyrine
Antipyrine (CAS 60-80-0), with the molecular formula C11H12N2O and a molecular weight of 188.23 g/mol, is a heterocyclic compound. This pyrazole derivative serves as a versatile building block in chemical synthesis. It is primarily utilised in organic chemistry research and development for the construction of more complex molecules, particularly within the pharmaceutical and fine chemical sectors.
- IUPAC
- 2,3-Dimethyl-1-phenyl-3-pyrazolin-5-one,Phenazone
- Synonyms
- Phenazone2,3-Dimethyl-1-phenyl-3-pyrazolin-5-one

Chemical Synthesis
Antipyrine is a valuable intermediate in organic synthesis, enabling the creation of novel chemical entities. Its pyrazole core is frequently incorporated into drug discovery programmes and materials science research.
Pharmaceutical Intermediates
As a precursor and building block, Antipyrine plays a role in the development pathway for various pharmaceutical agents. Its structure allows for modification to synthesise diverse biologically active compounds.
Research and Development
Utilised in laboratory settings, Antipyrine is employed in academic and industrial R&D for exploring new synthetic routes and investigating chemical reactions. Its availability supports fundamental chemical research.
| Molecular weight | 188.23 |
|---|---|
| Empirical formula | C11H12N2O |
| Assay | ≥99.0% (RT) |
| Melting point | 109-111 °C(lit.)109-114 °C |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 Antipyrine primarily used for?
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Antipyrine is mainly used as a building block in chemical synthesis and as a pharmaceutical intermediate. It is also utilised in research and development settings.
What are the CAS number and chemical formula for Antipyrine?
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The CAS number for Antipyrine is 60-80-0, and its chemical formula is C11H12N2O.
What grade and purity does Tech Serve Solutions supply for Antipyrine?
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Tech Serve Solutions supplies Antipyrine with a purity of ≥99.0% (RT). We do not represent this product as USP, BP, or EP grade.
How should Antipyrine be handled safely?
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Antipyrine is harmful if swallowed (H302). When handling, use a dust mask type N95 (US), safety eyeshields, faceshields, and gloves. Avoid dust formation and inhalation.
Is Antipyrine a controlled substance?
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Based on the provided data, Antipyrine is not indicated as a controlled substance. However, users should always verify local regulations.
How is Antipyrine typically packed and exported?
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Antipyrine is carefully packed to ensure stability during transport and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a quote or sample of Antipyrine?
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To request a quote or sample, please contact our sales team through the website or by phone, specifying Antipyrine (CAS 60-80-0).
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