|  | |  |  | 4-Chlorophenylacetylene Basic information | 
|  |  | 4-Chlorophenylacetylene Chemical Properties | 
 | Melting point | 45-47 °C(lit.) |  | Boiling point | 79-82 °C (23 mmHg) |  | density | 1.24 g/cm3(Temp: 50 °C) |  | Fp | 10 °C |  | storage temp. | Sealed in dry,2-8°C |  | solubility | Acetone, Chloroform (Slightly), Dichloromethane, DMF, DMSO, Ethanol, Ethyl Acetate) |  | form | Crystalline Mass |  | color | Yellow to pale brown |  | Water Solubility | Insoluble in water. Soluble in acetone, chloroform, dichloromethane, DMF, DMSO, ethanol, ethyl acetate, hexane, methanol,THF and toluene. |  | Stability: | Light Sensitive |  | InChIKey | LFZJRTMTKGYJRS-UHFFFAOYSA-N |  | CAS DataBase Reference | 873-73-4(CAS DataBase Reference) |  | NIST Chemistry Reference | Benzene, 1-chloro-4-ethynyl-(873-73-4) | 
| Hazard Codes | F,Xi |  | Risk Statements | 36/37/38-11 |  | Safety Statements | 16-26-36-37/39 |  | RIDADR | UN 1325 4.1/PG 2 |  | WGK Germany | 3 |  | Hazard Note | Irritant/Keep Cold |  | HazardClass | FLAMMABLE |  | HazardClass | 4.1 |  | PackingGroup | Ⅱ |  | HS Code | 29039990 | 
|  |  | 4-Chlorophenylacetylene Usage And Synthesis | 
 | Chemical Properties | White Crystalline Solid |  | Uses | 4-Chlorophenylacetylene is used as pharmaceutical intermediate. |  | Synthesis Reference(s) | Synthesis, p. 728, 1984 DOI: 10.1055/s-1984-30947 |  | General Description | 1-Chloro-4-ethynylbenzene undergoes standard Sonogashira reaction with iodophenyl groups on the film surfaces via the formation of C?C bonds. | 
|  |  | 4-Chlorophenylacetylene Preparation Products And Raw materials | 
 | Raw materials | 1,1-Dibromo-2-(4-chlorophenyl)ethene-->4-(4-CHLOROPHENYL)-2-METHYL-3-BUTYN-2-OL-->1-Bromo-2-(4-chlorophenyl)acetylene-->(4-CHLOROPHENYLETHYNYL)TRIMETHYLSILANE-->3-(4-CHLORO-PHENYL)-PROP-2-YN-1-OL |  | Preparation Products | 4-Chloro-4'-hydroxybenzophenone-->4'-Chloroacetophenone-->Propiolic acid, (p-chlorophenyl)- (8CI)-->2,7-DIMETHYL-3,5-OCTADIYN-2,7-DIOL-->9-(4-chlorophenyl)phenanthrene-->Isoquinoline, 1-[2-(4-chlorophenyl)ethyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-, (1R)--->(2 - (4 - chlorobenzene) acetylene) benzaldehyde-->Butanedioic acid, (4-chlorophenyl)-, diMethyl ester-->1-(2-((4-chlorophenyl)ethynyl)phenyl)ethanone | 
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