1,4-Dichloro-2-butyne
1,4-Dichloro-2-butyne (CAS: 821-10-3) is an organic compound with the linear formula ClCH2C≡CCH2Cl and a molecular weight of 122.98 g/mol. This halogenated hydrocarbon functions as a valuable building block in organic synthesis. Its unique alkynyl structure, featuring two terminal chlorine atoms, allows for diverse chemical transformations, making it a useful intermediate for creating more complex molecules in research and development settings.
- Synonyms
- ClCH2C≡CCH2Cl
Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of complex organic molecules. Its reactive alkynyl and chloro functionalities enable participation in various coupling and substitution reactions.
Building Block for Heterocycles
Utilised in the construction of heterocyclic compounds due to the reactivity of the triple bond and the presence of leaving groups.
Research and Development
Employed in academic and industrial research laboratories for the exploration of novel chemical pathways and the development of new materials.
| Molecular weight | 122.98 |
|---|---|
| Linear formula | ClCH2C≡CCH2Cl |
| Assay | 99% |
| Boiling point | 165-168 °C(lit.) |
| Density | 1.258 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.505(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 160 °C / 320 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 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 1,4-Dichloro-2-butyne used for?
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1,4-Dichloro-2-butyne is primarily used as a building block and intermediate in organic synthesis for creating more complex organic molecules and heterocyclic compounds in research and development.
What are the CAS number and formula for 1,4-Dichloro-2-butyne?
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The CAS number is 821-10-3 and the linear formula is ClCH2C≡CCH2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,4-Dichloro-2-butyne with an assay of 99%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 1,4-Dichloro-2-butyne be handled safely?
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1,4-Dichloro-2-butyne is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Use with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure good ventilation.
How is 1,4-Dichloro-2-butyne packed, shipped, and exported?
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1,4-Dichloro-2-butyne is packed in accordance with safety and transport regulations for hazardous materials. Tech Serve Solutions, as an experienced global supplier and exporter, manages all necessary documentation and logistics for international shipments.
How can I request a sample or quote for 1,4-Dichloro-2-butyne?
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To request a sample or quote for 1,4-Dichloro-2-butyne, please use the contact form on our website or call our sales department directly.
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