3-Chloro-1-ethynylbenzene
3-Chloro-1-ethynylbenzene (CAS 766-83-6) is a halogenated aromatic hydrocarbon with the molecular formula C8H5Cl. This organic compound serves as a valuable building block in chemical synthesis. It is primarily utilised in organic chemistry research and development for the construction of more complex molecular structures, particularly in the fields of materials science and pharmaceutical intermediate synthesis. Its specific reactivity stems from the presence of both a chloro substituent and an ethynyl group on the benzene ring.
Organic Synthesis Intermediate
3-Chloro-1-ethynylbenzene is employed as a versatile intermediate in various organic synthesis pathways. Its structure allows for diverse coupling reactions and functional group transformations, facilitating the creation of novel compounds.
Building Block for Complex Molecules
This compound acts as a key building block in constructing advanced molecular architectures. Researchers utilise it to introduce specific chloro- and ethynyl-phenyl functionalities into target molecules for applications in medicinal chemistry and materials science.
Research and Development
Primarily used in laboratory settings for research and development purposes, 3-Chloro-1-ethynylbenzene aids in exploring new synthetic routes and discovering novel chemical entities.
| Molecular weight | 136.58 |
|---|---|
| Linear formula | ClC6H4≡CH |
| Assay | 97% |
| Boiling point | 178-179 °C(lit.) |
| Density | 1.109 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5640(lit.) |
Hazard statements
- H315Causes skin irritation
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 62 °C / 143.6 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 38 |
| Safety statements (S) | 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 3-Chloro-1-ethynylbenzene used for?
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3-Chloro-1-ethynylbenzene is used as a versatile intermediate and building block in organic synthesis, particularly in research and development for creating complex molecules.
What is the CAS number and molecular formula for 3-Chloro-1-ethynylbenzene?
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The CAS number is 766-83-6 and the molecular formula is C8H5Cl (ClC6H4≡CH).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chloro-1-ethynylbenzene with an assay of 97%. This product is intended for research and laboratory use; it is not supplied as USP, BP, or EP grade.
What are the safety and handling considerations for 3-Chloro-1-ethynylbenzene?
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3-Chloro-1-ethynylbenzene is classified with GHS07 (Warning) and carries hazard statement H315 (Causes skin irritation). Appropriate personal protective equipment, including eyeshields and gloves, should be worn. Handle in a well-ventilated area.
How is 3-Chloro-1-ethynylbenzene packed and shipped?
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3-Chloro-1-ethynylbenzene is packed according to relevant transport regulations, including NA 1993 / PGIII, and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for 3-Chloro-1-ethynylbenzene?
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To request a sample or a quote for 3-Chloro-1-ethynylbenzene, please contact the Tech Serve Solutions sales team through our website or by phone.
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