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1-Pentyne Structure

1-Pentyne

Chemical Properties

Melting point −106 to −105 °C
Boiling point 40.2 °C (104.4 °F; 313.3 K)
Density  0.691 g/mL
vapor pressure  6.8 psi ( 20 °C)
refractive index  1.39
Flash point −20 °C (−4 °F; 253 K)
storage temp.  Store at +2°C to +8°C.
solubility  1.05g/l
form  liquid
color  colorless
Water Solubility  Soluble in water. (1.05 g/L) at 20°C.
Thermal Conductivity 0.127 W/(m·K) at 25 ℃
BRN  1697133
Henry's Law Constant 3.9×10-4 mol/(m3Pa) at 25℃, Brockbank (2013)
InChI 1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3
InChIKey IBXNCJKFFQIKKY-UHFFFAOYSA-N
SMILES CCCC#C
CAS DataBase Reference 627-19-0(CAS DataBase Reference)
EPA Substance Registry System 1-Pentyne (627-19-0)

Safety Information

Hazard Codes  F,Xn
Risk Statements  11-36/37/38-65
Safety Statements  16-26-36-62
RIDADR  UN 3295 3/PG 2
WGK Germany  3
TSCA  TSCA listed
HS Code  2901 29 00
HazardClass  3
PackingGroup  II
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 2

MSDS

Usage And Synthesis

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