| Name | 4-Ethynylbenzaldehyde | 
|---|---|
| Synonyms | 
                                
                                4-Ethynylbenzaldehyde
                                
                                
                                 Benzaldehyde, 4-ethynyl- MFCD05664348  | 
                        
| Density | 1.1±0.1 g/cm3 | 
|---|---|
| Boiling Point | 223.8±23.0 °C at 760 mmHg | 
| Melting Point | 89-93ºC(lit.) | 
| Molecular Formula | C9H6O | 
| Molecular Weight | 130.143 | 
| Flash Point | 86.8±17.6 °C | 
| Exact Mass | 130.041870 | 
| PSA | 17.07000 | 
| LogP | 1.82 | 
| Appearance | Powder or Crystalline Powder | White to orange to brown | 
| Vapour Pressure | 0.1±0.4 mmHg at 25°C | 
| Index of Refraction | 1.554 | 
| Symbol | 
                                
                                 
                                
                                GHS07  | 
                        
|---|---|
| Signal Word | Warning | 
| Hazard Statements | H315-H319-H335 | 
| Precautionary Statements | P261-P305 + P351 + P338 | 
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves | 
| Hazard Codes | Xi | 
| Risk Phrases | R36/37/38 | 
| Safety Phrases | 22-26-36 | 
| RIDADR | NONH for all modes of transport | 
| WGK Germany | 3 | 
| HS Code | 2912299000 | 
| Precursor 9 | |
|---|---|
| DownStream 9 | |
| HS Code | 2912299000 | 
|---|---|
| Summary | 2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |