trans-Chalcone
trans-Chalcone (CAS: 614-47-1) is an organic compound with the linear formula C 6 H 5 CH=CHCOC 6 H 5 and a molecular weight of 208.26 g/mol. This pale yellow solid, with a melting point of 55-57 °C, functions as a valuable building block in chemical synthesis. It is primarily employed in the creation of other complex molecules, including cyclopropane derivatives, and in research involving surface adsorption studies.
- IUPAC
- Benzylideneacetophenone
- Synonyms
- Benzylideneacetophenone

Synthesis of Diphenyl Cyclopropanes
trans-Chalcone serves as a precursor in the synthesis of both cis and trans diphenyl cyclopropane derivatives, contributing to the formation of strained cyclic systems in organic chemistry.
Surface Adsorption Studies
This compound has been utilised in research to investigate the surface adsorption behaviours of specific organic molecules, such as isobutybenzene and 4-isobutylacetophenone, on solid acid catalysts like fosfotungstic Wells-Dawson acid.
Organic Building Block
As a versatile organic building block, trans-Chalcone is integral to various chemical synthesis pathways, enabling the construction of diverse molecular architectures.
| Molecular weight | 208.26 |
|---|---|
| Linear formula | C6H5CH=CHCOC6H5 |
| Assay | 97% |
| Boiling point | 208 °C/25 mmHg(lit.) |
| Application | trans-Chalcone was used in the synthesis of cis and trans diphenyl cyclopropane1. It was also used in screening of surface adsorbed species of isobutybenzene and 4-isobutylacetophenone on bulk fosfotungstic Wells-Dawson acid (H6P2W18O62.xH2O)2. |
| Melting point | 55-57 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37 |
| Safety statements (S) | 22-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... IL1B(3553)rat ... Ar(24208) |
|---|
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 trans-Chalcone used for?
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trans-Chalcone is primarily used in chemical synthesis as a building block for creating compounds like diphenyl cyclopropanes and in studies investigating surface adsorption phenomena.
What are the CAS number and chemical formula for trans-Chalcone?
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The CAS number for trans-Chalcone is 614-47-1, and its linear formula is C 6 H 5 CH=CHCOC 6 H 5 .
What grade and purity does Tech Serve Solutions supply for trans-Chalcone?
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Tech Serve Solutions supplies trans-Chalcone with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions when handling trans-Chalcone?
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trans-Chalcone is classified with a GHS07 symbol and a 'Warning' signal word. It is harmful if swallowed (H302), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used. Handle with adequate ventilation and avoid breathing dust.
How is trans-Chalcone packed, shipped, and exported by TSS?
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Tech Serve Solutions ensures careful packaging for the secure export of trans-Chalcone, adhering to all relevant shipping regulations for fine chemicals.
How can I request a quote or sample for trans-Chalcone?
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To request a quote or sample for trans-Chalcone, please contact our sales team through the website or by phone.
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