Cyclopropylacetylene
Cyclopropylacetylene (CAS: 6746-94-7; C5H6; MW: 66.10) is a terminal alkyne building block, supplied by TSS as a solution in toluene. This flammable liquid is used in chemical synthesis for introducing the cyclopropylacetylene moiety. Its structure, featuring a cyclopropyl ring and an ethynyl group, makes it a valuable intermediate in organic chemistry research and development. TSS ensures reliable supply for your laboratory and production needs.
- IUPAC
- Ethynylcyclopropane
- Synonyms
- Ethynylcyclopropane
Organic Synthesis Intermediate
Serves as a versatile building block in organic synthesis, enabling the construction of complex molecules containing the cyclopropylacetylene fragment. Its reactive terminal alkyne allows for various coupling and addition reactions.
Research and Development
Utilised in academic and industrial R&D laboratories for exploring novel synthetic pathways and developing new chemical entities. Its unique structural features are of interest in medicinal chemistry and materials science.
Fine Chemical Production
Employed in the synthesis of fine chemicals and speciality compounds where precise structural incorporation of the cyclopropylalkyne unit is required. Available as a solution in toluene for ease of handling.
| Molecular weight | 66.10 |
|---|---|
| Empirical formula | C5H6 |
| Assay | 97% |
| Boiling point | 51 °C |
| Density | 0.781 g/mL at 25 °C |
| Refractive index | n20/D 1.429 |
| Concentration | 70 wt. % in toluene |
| Storage temperature | 2-8°C |
Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H318Causes serious eye damage
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -17 °C / 1.4 °F |
| Transport (UN / ADR) | UN 1993BE 3 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 4-11-38-41-52/53 |
| Safety statements (S) | 9-16-26-33-37/39-61 |
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 Cyclopropylacetylene used for?
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Cyclopropylacetylene is used as a versatile building block and intermediate in organic synthesis for the construction of complex molecules in research and development, and fine chemical production.
What are the CAS number and formula for Cyclopropylacetylene?
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The CAS number for Cyclopropylacetylene is 6746-94-7, and its empirical formula is C5H6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cyclopropylacetylene with an assay of 97% as a 70 wt. % solution in toluene. TSS does not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Cyclopropylacetylene be handled safely?
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Cyclopropylacetylene is a highly flammable liquid with severe eye irritation and is harmful to aquatic life with long-lasting effects. Handle with appropriate personal protective equipment, including eyeshields, face shields, and gloves, in a well-ventilated area, away from ignition sources. Refer to the Safety Data Sheet for comprehensive guidance.
Is Cyclopropylacetylene a controlled substance?
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The provided data does not indicate that Cyclopropylacetylene is a controlled substance.
How is Cyclopropylacetylene shipped and exported?
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Cyclopropylacetylene is shipped and exported according to its hazard classification (UN 1993, Class 3, PG II). TSS adheres to all relevant national and international shipping regulations for hazardous materials.
How can I request a quote or sample of Cyclopropylacetylene?
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To request a quote or sample of Cyclopropylacetylene, please contact our sales team through the TSS website or designated contact channels, providing your specific requirements.
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