4-Chloromethylstilbene, predominantly trans
4-Chloromethylstilbene, predominantly trans (CAS 150253-59-1) is an organic compound with the molecular formula C$_{15}$H$_{13}$Cl. This halogenated hydrocarbon serves as a valuable building block in organic synthesis. Its structure, featuring a stilbene core with a chloromethyl substituent, allows for diverse chemical transformations. It is primarily used in research and development for the creation of more complex organic molecules.
- Synonyms
- C6H5CH=CHC6H4CH2Cl

Organic Synthesis Intermediate
As a functionalised stilbene derivative, 4-Chloromethylstilbene is employed as an intermediate in multi-step syntheses. The reactive chloromethyl group facilitates various substitution and coupling reactions, enabling the construction of intricate molecular architectures.
Research and Development
This compound is utilised in academic and industrial research laboratories for exploring novel chemical pathways and synthesising new materials. Its utility lies in its defined structure and reactive functionality for developing new chemical entities.
Building Block Chemistry
4-Chloromethylstilbene acts as a versatile building block for incorporating the stilbene moiety into larger molecules. It is particularly useful in the synthesis of specialised organic compounds where precise structural control is required.
| Molecular weight | 228.72 |
|---|---|
| Linear formula | C6H5CH=CHC6H4CH2Cl |
| Assay | 95% |
| Melting point | 113-117 °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 4-Chloromethylstilbene, predominantly trans used for?
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4-Chloromethylstilbene, predominantly trans (CAS 150253-59-1) is primarily used as a building block and intermediate in organic synthesis for research and development purposes.
What are the CAS number and formula for 4-Chloromethylstilbene, predominantly trans?
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The CAS number is 150253-59-1, and the linear formula is C$_{6}$H$_{5}$CH=CHC$_{6}$H$_{4}$CH$_{2}$Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chloromethylstilbene, predominantly trans with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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This compound is a warning substance and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be worn. Handle in a well-ventilated area.
How is 4-Chloromethylstilbene, predominantly trans packed, shipped, and exported?
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Tech Serve Solutions ensures secure and compliant packaging for domestic and international shipments, adhering to all relevant regulations for hazardous materials.
How can I request a sample or quote for 4-Chloromethylstilbene, predominantly trans?
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To request a sample or obtain a quotation, please contact our sales department through the website or by calling our dedicated customer service line.
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