Cyclopropylacetylene

Cyclopropylacetylene
Names
	Preferred IUPAC name Ethynylcyclopropane
Identifiers
CAS Number	6746-94-7;
3D model (JSmol)	Interactive image;
ChemSpider	122425;
ECHA InfoCard	100.102.389
EC Number	425-430-1;
PubChem CID	138823;
CompTox Dashboard (EPA)	DTXSID80217795 ;
	InChI InChI=1S/C5H6/c1-2-5-3-4-5/h1,5H,3-4H2 Key: NPTDXPDGUHAFKC-UHFFFAOYSA-N;
	SMILES C#CC1CC1;
Properties
Chemical formula	C5H6
Molar mass	66.103 g·mol−1
Appearance	colorless liquid
Density	0.781 g/cm3 at 25°C
Boiling point	51–53 °C (124–127 °F; 324–326 K)
Hazards
	GHS labelling:
Pictograms
Hazard statements	H225, H315, H319, H412
Precautionary statements	P210, P273, P280, P305+P351+P338
Flash point	−17 °C (1 °F; 256 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Cyclopropylacetylene is an hydrocarbon with the chemical formula C
₅H
₆. Under normal conditions, the substance is a colorless liquid. Cyclopropylacetylene is a precursor to pharmaceuticals and other organic compounds.