1-(2-Butenoyl)-1H-benzotriazole
1-(2-Butenoyl)-1H-benzotriazole (CAS 55889-32-2), with the molecular formula C10H9N3O and a molecular weight of 187.20 g/mol, is a synthetic reagent. This compound serves as a valuable tool in chemical synthesis, particularly for C-C bond formation reactions. It is supplied by Tech Serve Solutions for laboratory research and industrial applications requiring high-purity chemical intermediates. Its precise reactivity profile makes it a sought-after component in various synthetic pathways.

C-C Bond Formation
Utilised in organic synthesis to forge new carbon-carbon bonds, a fundamental transformation in building complex molecules. This reagent facilitates efficient coupling reactions.
Chemical Synthesis Intermediate
Serves as a key building block or intermediate in multi-step synthetic processes. Its structure allows for versatile functionalisation in organic chemistry.
Research and Development
Employed in academic and industrial R&D laboratories for exploring novel synthetic methodologies and developing new chemical entities.
| Molecular weight | 187.20 |
|---|---|
| Empirical formula | C10H9N3O |
| Assay | 97% |
| Melting point | 93-97 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 1-(2-Butenoyl)-1H-benzotriazole used for?
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1-(2-Butenoyl)-1H-benzotriazole is primarily used for C-C bond formation and as an intermediate in chemical synthesis and research and development.
What are the CAS number and formula for 1-(2-Butenoyl)-1H-benzotriazole?
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The CAS number is 55889-32-2 and the molecular formula is C10H9N3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-(2-Butenoyl)-1H-benzotriazole with an assay of 97%. This is a technical/research grade product and TSS does not represent it as USP, BP, EP, or other pharmacopoeial standards.
How should 1-(2-Butenoyl)-1H-benzotriazole be handled?
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Handling requires appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. It is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
Is 1-(2-Butenoyl)-1H-benzotriazole available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-(2-Butenoyl)-1H-benzotriazole.
How can I request a quote or sample?
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To request a quote or sample of 1-(2-Butenoyl)-1H-benzotriazole, please contact our sales team through the website or by phone.
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