3,4-Dichlorophenylacetylene
3,4-Dichlorophenylacetylene (CAS: 556112-20-0) is an organic compound with the molecular formula C8H4Cl2 and a molecular weight of 171.02 g/mol. This alkyne, featuring a terminal acetylene group and two chlorine atoms on a phenyl ring, serves as a valuable building block in organic synthesis. It is primarily utilised in chemical research and the development of novel compounds.
- IUPAC
- 1,2-Dichloro-4-ethynylbenzene,3,4-Dichloro-1-ethynylbenzene
- Synonyms
- 1,2-Dichloro-4-ethynylbenzene3,4-Dichloro-1-ethynylbenzene
Organic Synthesis Intermediate
3,4-Dichlorophenylacetylene functions as a key intermediate in the synthesis of more complex organic molecules. Its reactive alkyne moiety allows for participation in various coupling reactions and cycloadditions.
Pharmaceutical Research
This compound can be employed in the early stages of drug discovery and development. Its structural features may be incorporated into potential therapeutic agents or used to create novel molecular scaffolds for biological screening.
Materials Science
The specific arrangement of halogens and the alkyne functionality make 3,4-Dichlorophenylacetylene a potential precursor for specialised polymers or advanced materials with unique electronic or physical properties.
| Molecular weight | 171.02 |
|---|---|
| Empirical formula | C8H4Cl2 |
| Assay | 97% |
| Melting point | 38-42 °C |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 96 °C / 204.8 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37 |
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 3,4-Dichlorophenylacetylene used for?
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3,4-Dichlorophenylacetylene is primarily used as a building block in organic synthesis, including applications in pharmaceutical research and potentially materials science.
What is the CAS number and formula for 3,4-Dichlorophenylacetylene?
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The CAS number is 556112-20-0 and the empirical formula (Hill notation) is C8H4Cl2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Dichlorophenylacetylene with a minimum assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 3,4-Dichlorophenylacetylene be handled safely?
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3,4-Dichlorophenylacetylene is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It may also cause long-lasting harmful effects to aquatic life (H413). Handle with appropriate personal protective equipment including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation.
Is 3,4-Dichlorophenylacetylene a controlled substance?
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Based on the provided data, 3,4-Dichlorophenylacetylene is not indicated as a controlled substance.
How is 3,4-Dichlorophenylacetylene packed and exported?
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3,4-Dichlorophenylacetylene is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions.
How can I request a sample or a quote for 3,4-Dichlorophenylacetylene?
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To request a sample or obtain a quote for 3,4-Dichlorophenylacetylene, please contact our sales department through the website or by phone.
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