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Propargyl chloride

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Propargyl chloride
Names
IUPAC name
3-Chloroprop-1-yne
Other names
Propargyl chloride, 3-Chloropropyne, 1-Chloro-2-propyne, 2-Propynyl chloride, Gamma-Chloroallylene, UN 2345
Identifiers
3D model (JSmol)
ECHA InfoCard 100.009.870 Edit this at Wikidata
EC Number
  • 210-856-9
  • InChI=1/C3H3Cl/c1-2-3-4/h1H,3H2
  • C#CCCl
Properties
C3H3Cl
Molar mass 74.51 g/mol
Appearance Clear to brown liquid
Density 1.0306 g/cm³
Melting point -78 °C
Boiling point 57 °C
Insoluble
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasolineInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
3
3
1
Flash point 18 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Propargyl chloride, or 3-chloro-1-propyne, is a highly toxic and flammable clear brown liquid with chemical formula CHCCH2Cl. It is miscible with benzene or ethanol and insoluble in water. Its refractive index is 1.4350. Common uses for propargyl chloride include soil fumigation, corrosion prevention, and as an intermediate in organic synthesis.

It reacts with alcohols to form propargyl ethers.

See also

References

  • Merck Index, 11th Edition, 7820.


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