trans-4-Stilbenecarboxaldehyde
trans-4-Stilbenecarboxaldehyde (CAS: 40200-69-9), with the molecular formula C₁₅H₁₂O and a molar mass of 208.26 g/mol, is an organic compound featuring an aldehyde functional group conjugated with a stilbene moiety. This structural characteristic makes it a valuable building block in organic synthesis. It is primarily employed in the development of novel organic materials and as an intermediate in the chemical synthesis of more complex molecules.

Organic Synthesis Intermediate
This compound serves as a versatile intermediate in the synthesis of various organic molecules. Its reactive aldehyde group allows for further functionalization, enabling the construction of complex chemical structures for research and development.
Materials Science
The conjugated stilbene system present in trans-4-Stilbenecarboxaldehyde makes it a potential precursor for organic electronic materials. It can be incorporated into polymers or used in the synthesis of compounds with interesting photophysical properties.
Research and Development
As a readily available building block, it is utilised in academic and industrial research laboratories for exploring new chemical reactions and developing novel compounds with targeted applications.
| Molecular weight | 208.26 |
|---|---|
| Linear formula | C6H5CH=CHC6H4CHO |
| Assay | 97% |
| Melting point | 112-114 °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) | 26-37/39 |
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 trans-4-Stilbenecarboxaldehyde used for?
+
trans-4-Stilbenecarboxaldehyde is primarily used as an intermediate in organic synthesis and in materials science for developing novel organic compounds and materials due to its conjugated stilbene structure and reactive aldehyde group.
What are the CAS number and molecular formula for trans-4-Stilbenecarboxaldehyde?
+
The CAS number is 40200-69-9 and the molecular formula is C₁₅H₁₂O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies trans-4-Stilbenecarboxaldehyde with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should trans-4-Stilbenecarboxaldehyde be handled safely?
+
trans-4-Stilbenecarboxaldehyde is classified with Warning signal word and hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). When handling, wear a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation. It is recommended to avoid breathing dust/fume/gas/mist/vapours/spray and to wash hands thoroughly after handling.
How is trans-4-Stilbenecarboxaldehyde shipped?
+
Tech Serve Solutions exports chemicals globally, adhering to all necessary regulations for safe and compliant international shipping.
How can I request a quote or sample?
+
To request a quote or a sample of trans-4-Stilbenecarboxaldehyde, please contact our sales team through the website or by phone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis