Phenacetin
Phenacetin (CAS 62-44-2) is an organic compound with the molecular formula C10H13NO2 and a molecular weight of 179.22 g/mol. It has historically been used as an analgesic and antipyretic. Phenacetin is a derivative of acetanilide and serves as a building block in chemical synthesis. Tech Serve Solutions supplies Phenacetin at a purity of 98%.
- IUPAC
- 1-Acetyl-p-phenetidin,4′-Ethoxyacetanilide,N-(4-Ethoxyphenyl)acetamide,p-Acetophenetidide,Acetophenetidin
- Synonyms
- 1-Acetyl-p-phenetidin4′-EthoxyacetanilideN-(4-Ethoxyphenyl)acetamidep-AcetophenetidideAcetophenetidin

Chemical Synthesis Intermediate
Phenacetin can be utilised as a precursor or intermediate in the synthesis of more complex organic molecules. Its structure offers reactive sites for various chemical transformations.
Research and Development
As a well-characterised organic compound, Phenacetin is employed in research laboratories for studies in medicinal chemistry and organic synthesis. It aids in understanding reaction pathways and developing new compounds.
Bioactive Small Molecule Studies
Phenacetin belongs to the class of bioactive small molecules, making it relevant for research in cell biology and pharmacology. It can be used to investigate biological pathways and mechanisms.
| Molecular weight | 179.22 |
|---|---|
| Linear formula | CH3CONHC6H4OC2H5 |
| Assay | 98% |
| Melting point | 133-136 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-22 |
| Safety statements (S) | 53-45 |
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 Phenacetin used for?
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Phenacetin has historically been used as an analgesic and antipyretic, and currently serves as a building block and intermediate in chemical synthesis and research laboratories.
What are the CAS number and molecular formula for Phenacetin?
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Phenacetin has the CAS number 62-44-2 and the molecular formula C10H13NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenacetin with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should Phenacetin be handled safely?
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Phenacetin is harmful if swallowed and suspected of causing cancer. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Avoid exposure and seek medical advice if exposed or concerned.
Is Phenacetin a controlled substance?
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While Phenacetin has been withdrawn from many markets due to safety concerns, it is not explicitly listed as a controlled substance in all jurisdictions. However, due to its potential health hazards, its handling and use should be managed responsibly.
How is Phenacetin packed and shipped?
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Phenacetin is packed securely to ensure stability during transit and is exported globally by Tech Serve Solutions in compliance with relevant shipping regulations for hazardous materials.
How can I request a sample or quote for Phenacetin?
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To request a sample or a quotation for Phenacetin, please contact our sales team through the website or direct inquiry channels, providing your specific requirements.
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