1-Pentyne

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

2-Pentyne
1-Pentyne[1]
Names
Preferred IUPAC name
Pent-1-yne
Other names
Propylacetylene
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.009.989
  • 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
  • C#CCCC
Properties
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 (104.4 °F; 313.3 K)
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

References
  1. 1-Pentyne at Sigma-Aldrich


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