1-Pentyne

1-Pentyne^[1]

Names
Preferred IUPAC name Pent-1-yne
Other names Propylacetylene
Identifiers
CAS Number	627-19-0 Y
3D model ( JSmol )	Interactive image
ChEMBL	ChEMBL16262 Y
ChemSpider	11806 Y
ECHA InfoCard	100.009.989
PubChem CID	12309
UNII	EW8XD8E5WF Y
CompTox Dashboard (EPA)	DTXSID7060835
InChI InChI=1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3 Y Key: IBXNCJKFFQIKKY-UHFFFAOYSA-N Y InChI=1/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3 Key: IBXNCJKFFQIKKY-UHFFFAOYAX
SMILES C#CCCC
Properties
Chemical formula	C5H8
Molar mass	68.12
Appearance	colorless liquid
Density	0.691 g/mL
Melting point	−106 to −105 °C
Boiling point	40.2 °C (104.4 °F; 313.3 K)
Solubility in water	Insoluble
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Flammable Liquid
Flash point	−20 °C (−4 °F; 253 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

1-Pentyne is an organic compound with the formula CH₃CH₂CH₂C≡CH. It is a terminal alkyne, in fact the smallest that is liquid a room temperature. The compound is a common terminal alkyne substrate in diverse studies of catalysis.^[2][3]

See also

• 2-Pentyne, an isomer

References

External links

• NIST Chemistry WebBook page for 1-pentyne

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