|  | |  |  | 4-Ethylphenylacetylene Basic information | 
|  |  | 4-Ethylphenylacetylene Chemical Properties | 
 | Boiling point | 30 °C/0.05 mmHg (lit.) |  | density | 0.930 g/mL at 25 °C (lit.) |  | refractive index | n20/D 1.5420(lit.) |  | Fp | 160 °F |  | storage temp. | Keep in dark place,Sealed in dry,Room Temperature |  | form | clear liquid |  | color | Colorless to Light yellow |  | CAS DataBase Reference | 40307-11-7(CAS DataBase Reference) | 
| Hazard Codes | Xi |  | Risk Statements | 36/37/38 |  | Safety Statements | 16-26-36-37/39 |  | RIDADR | UN 3334 |  | WGK Germany | 3 |  | Hazard Note | Irritant |  | HS Code | 29029090 | 
|  |  | 4-Ethylphenylacetylene Usage And Synthesis | 
 | Chemical Properties | Yellow liquid |  | Uses | Intermediates of Liquid Crystals |  | Uses | 1-Ethyl-4-ethynylbenzene may be used to synthesize: 
 2,4-bis[(4-ethylphenyl)ethynyl]-6-methoxy-1,3,5-triazine 2-[(4-ethylphenyl)ethynyl]-4-methoxy-6-(phenylethynyl)-1,3,5-triazine 2-chloro-4-[(4-ethylphenyl)ethynyl]-6-methoxy-1,3,5-triazine 4-chloro-6-[(4-ethylphenyl)ethynyl]-N,N-diphenyl-1,3,5-triazin-2-amine
 |  | General Description | 1-Ethyl-4-ethynylbenzene undergoes homocoupling reaction in the presence of copper(I) chloride (catalyst) and air (oxidant) to yield symmetrical 1,4-disubstituted 1,3-diyne. | 
|  |  | 4-Ethylphenylacetylene Preparation Products And Raw materials | 
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