Propargyl chloride

Propargyl chloride
IUPAC name 3-Chloroprop-1-yne
Other names Propargyl chloride, 3-Chloropropyne, 1-Chloro-2-propyne, 2-Propynyl chloride, Gamma-Chloroallylene, UN 2345
Identifiers
CAS number	624-65-7 Y
PubChem	12221
ChemSpider	21112738 Y
EC number	210-856-9
Jmol-3D images	Image 1
SMILES C#CCCl
InChI InChI=1S/C3H3Cl/c1-2-3-4/h1H,3H2 Y Key: LJZPPWWHKPGCHS-UHFFFAOYSA-N Y InChI=1/C3H3Cl/c1-2-3-4/h1H,3H2 Key: LJZPPWWHKPGCHS-UHFFFAOYAR
Properties
Molecular formula	C3H3Cl
Molar mass	74.51 g mol−1
Appearance	Clear to brown liquid
Density	1.0306 g/cm³
Melting point	-78 °C, 195 K, -108 °F
Boiling point	57 °C, 330 K, 135 °F
Solubility in water	Insoluble
Hazards
EU classification	Highly flammable (F+), highly toxic (T+)
R-phrases	R23/24/25 R34
S-phrases	S16 S23 S24/25 S36/37 S39 S45
NFPA 704	3 3 1
Flash point	18 °C
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

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

• Allyl chloride
• Propargyl
• Propargyl alcohol

External links

• Entry at chemicalland21.com