3-Chloropropyne
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Product Description
3-Chloropropyne
Specification of Product
Product Name : 3-Chloropropyne
Propargyl chloride
CAS No.: 624-65-7
Chemical formula: C3H3Cl
Molar mass: 74.51
3-Chloropropyne
Appearance: Light yellow liquid.
PH value (indicated concentration) : No data available
Melting point/Freezing point (℃): -78℃
Boiling point, initial boiling point and boiling range (℃): 57.8℃
Density (g/L): No data available
Relative vapor density (air =1): No data
Relative density (water =1): 1.03
Heat of combustion (kJ/mol): No data available
Saturated vapor pressure (kPa): 47.8 (37.8℃)
Critical pressure (MPa): No data available
Critical temperature (℃): No data available
Flash point (℃): -19.0℃
N-octanol/water partition coefficient: No data
Decomposition temperature (℃): No data available
Self-ignition temperature (℃): 429℃
Lower explosive limit [% (V/V)]: 2.3% at 30℃
Upper explosion limit [% (V/V)]: (73℃) 100%
Flammability: Highly flammable.
Explosive: 3-chloropropyne is explosive
Solubility: Insoluble in water, but miscible with benzene, toluene, carbon tetrachloride, as well as ethanol, ether and ethyl acetate.
Refractive index: 1.4320
Application:
1. Used as an intermediate in organic synthesis. It is employed in the manufacture of pharmaceuticals—such as the drug —as well as soil fumigants. It also serves as a modifier for engineering plastics; specifically, its trisodium salt acts as an excellent heat stabilizer for polyvinyl chloride (PVC), while its esters function as important additives for polymers.
2. An intermediate in organic synthesis—for instance, in the production of pharmaceuticals such as *Youjiangning*—and is also utilized in the preparation of soil fumigants.
3. 3-Chloropropyne is a three-carbon alkylating agent. It also functions as a synthetic equivalent for the acetonyl carbene ion and as a cycloaddition reagent; furthermore, when converted into an organometallic reagent, it serves as a nucleophilic source for propargyl or allenyl groups.
Transportation: Load gently, avoid knock, insolation and rain.
Storage: industrial 3-Chloropropyne should be kept in low temp., ventilating, dry and dark place.