5-Acetylsalicylamide
5-Acetylsalicylamide (CAS: 40187-51-7) is an organic compound with the linear formula CH3COC6H3(OH)CONH2 and a molecular weight of 179.17 g/mol. This acetylated derivative of salicylamide serves as a valuable building block in chemical synthesis. It is primarily utilised in research and development settings for the creation of more complex organic molecules and potential pharmaceutical intermediates.
- IUPAC
- 5-Acetyl-2-hydroxybenzamide

Organic Synthesis Intermediate
5-Acetylsalicylamide acts as a key intermediate in the synthesis of various organic compounds. Its structure allows for diverse chemical modifications, making it useful in the development of novel molecules.
Research and Development
This compound is employed in R&D laboratories for exploring new chemical pathways and creating complex molecular architectures. Its utility spans across academic and industrial research.
Potential Pharmaceutical Precursor
As a derivative of salicylamide, it holds potential as a precursor in the synthesis of pharmaceutical agents. Further research can explore its role in drug discovery programmes.
| Molecular weight | 179.17 |
|---|---|
| Linear formula | CH3COC6H3(OH)CONH2 |
| Assay | 98% |
| Melting point | 220-222 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-36 |
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 5-Acetylsalicylamide used for?
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5-Acetylsalicylamide is primarily used as an intermediate in organic synthesis and in research and development laboratories for creating novel organic molecules and potential pharmaceutical precursors.
What is the CAS number and formula for 5-Acetylsalicylamide?
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The CAS number for 5-Acetylsalicylamide is 40187-51-7, and its linear formula is CH3COC6H3(OH)CONH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Acetylsalicylamide with a minimum assay of 98%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
How should 5-Acetylsalicylamide be handled safely?
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Based on GHS classifications, 5-Acetylsalicylamide is harmful if swallowed, in contact with skin, and if inhaled; it also causes skin and serious eye irritation. It may cause respiratory irritation. Recommended PPE includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area. Refer to the Safety Data Sheet for comprehensive handling information.
How is 5-Acetylsalicylamide packed and shipped?
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Tech Serve Solutions expertly packs and ships chemicals globally, adhering to all relevant regulations for safe transport. Specific packing details are available upon request.
How can I request a sample or quote for 5-Acetylsalicylamide?
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To request a sample or a quote for 5-Acetylsalicylamide, please use the contact form on our website or contact our sales department directly.
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