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1-Pentyne[1]
IUPAC name	Pent-1-yne
Other names	Propylacetylene
Identifiers
CAS number	[627-19-0]
PubChem	12309
SMILES	C#CCCC
Properties
Molecular formula	C5H8
Molar mass	68.12
Appearance	Clear, colorless liquid
Density	0.691 g/mL
Melting point	−106 to −105 °C
Boiling point	40.2 °C
Solubility in water	Insoluble
Hazards
Main hazards	Flammable Liquid
Flash point	-20 °C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references

1-Pentyne, an organic compound, is a terminal alkyne. It is an isomer of 2-pentyne, an internal alkyne.

2-Pentyne

References

1. ^ 1-Pentyne at Sigma-Aldrich

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