1-Methylcyclopropene

1-Methylcyclopropene
Names
	Preferred IUPAC name 1-Methylcycloprop-1-ene
Identifiers
CAS Number	3100-04-7 ;
3D model (JSmol)	Interactive image;
Abbreviations	1-MCP
ChEBI	CHEBI:132592 ;
ChemSpider	133162 ;
ECHA InfoCard	100.130.871
PubChem CID	151080;
UNII	J6UJO23JGU ;
CompTox Dashboard (EPA)	DTXSID2035643 ;
	InChI InChI=1S/C4H6/c1-4-2-3-4/h2H,3H2,1H3 Key: SHDPRTQPPWIEJG-UHFFFAOYSA-N ; InChI=1/C4H6/c1-4-2-3-4/h2H,3H2,1H3 Key: SHDPRTQPPWIEJG-UHFFFAOYAJ;
	SMILES C\1=C(/C)C/1;
Properties
Chemical formula	C4H6
Molar mass	54.092 g·mol−1
Boiling point	12 °C (54 °F; 285 K)(approx)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

The compound 1-methylcyclopropene, also known as 1-MCP, is a cyclopropene derivative used as a synthetic plant growth regulator. It is structurally related to the natural plant hormone ethylene and it is used commercially to slow down the ripening of fruit and to help maintain the freshness of cut flowers.