1-Chloro-4-ethynylbenzene
1-Chloro-4-ethynylbenzene (CAS: 873-73-4), with the molecular formula ClC6H4C≡CH and a molecular weight of 136.58 g/mol, is a valuable organic building block. This halogenated hydrocarbon features a reactive terminal alkyne group and a chloro-substituted phenyl ring, making it a versatile intermediate in organic synthesis. It is primarily utilised in the creation of more complex molecules for research and development purposes.
- IUPAC
- (4-Chlorophenyl)acetylene
- Synonyms
- (4-Chlorophenyl)acetylene
Organic Synthesis Intermediate
1-Chloro-4-ethynylbenzene serves as a key intermediate in the synthesis of diverse organic compounds. Its functional groups allow for various coupling reactions, enabling the construction of complex molecular architectures.
Pharmaceutical Research
The compound can be employed in the development of novel pharmaceutical candidates. Its structural features are amenable to modifications for creating molecules with potential biological activity.
Materials Science
As a building block, it may find applications in the synthesis of advanced materials. The ethynyl group offers possibilities for polymerisation or incorporation into functional materials.
| Molecular weight | 136.58 |
|---|---|
| Linear formula | ClC6H4C≡CH |
| Assay | 98% |
| Melting point | 45-47 °C(lit.) |
Hazard statements
- H228Flammable solid
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 10 °C / 50 °F |
| Transport (UN / ADR) | UN 1325 4.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 16-26-36 |
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 1-Chloro-4-ethynylbenzene used for?
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1-Chloro-4-ethynylbenzene is primarily used as a versatile intermediate in organic synthesis, particularly in pharmaceutical research and materials science, for constructing complex organic molecules.
What is the CAS number and formula for 1-Chloro-4-ethynylbenzene?
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The CAS number for 1-Chloro-4-ethynylbenzene is 873-73-4, and its linear formula is ClC6H4C≡CH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Chloro-4-ethynylbenzene with an assay of 98%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 1-Chloro-4-ethynylbenzene be handled safely?
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1-Chloro-4-ethynylbenzene is a flammable solid (H228) and an irritant (H315, H319, H335). Handle with appropriate personal protective equipment including a dust mask (N95), eyeshields, and gloves. Ensure adequate ventilation and keep away from heat and open flames.
How is 1-Chloro-4-ethynylbenzene packed and exported?
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1-Chloro-4-ethynylbenzene is shipped as a flammable solid, UN 1325, 4.1/PGII. We ensure compliant packaging for international export.
How can I request a quote or sample for 1-Chloro-4-ethynylbenzene?
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To request a quote or sample, please contact our sales team through the website or by phone.
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