| Bis(Trimethylsilyl)Acetylene | 
| CAS: 14630-40-1 | 
| Date Updated: 2021-04-06 | 



| Solubility Theory | 
| Hansen Solubility Parameters ? | 
| D: 13.44 | P: 2.10 | H: 1.48 | 
| SMILES ? : C[Si](C#C[Si](C)(C)C)(C)C | 
| EHS Information | 
| SDS Link | 
| Hazard Overview: Flammable liquids (Category 2), Skin irritation (Category 2), Eye irritation (Category 2A), Specific target organ toxicity - single exposure (Category 3), Respiratory system | 
| NFPA Health Rating: 2 | 
| NFPA Flame Rating: 3 | 
| Compatible Glove Type: Unknown | 
| Physical Properties | ||
| Melting Point ? : 26 °C | Vapor Pressure: 200 mmHg at 20 C | |
| Boiling Point: 136 °C | Refractive Index: 1.427 | |
| Flash Point: 2 °C | Relative Evaporation Rate (RER): N/A | |
| MWt: 170.4 g/mol | Water Solubility: N/A | |
| MVol ? : 226.596 | Viscosity: N/A | |
| Density: 0.752 g/L | Formula: C8H18Si2 | |
| Other Names: Bis(trimethylsilyl)ethyne; Ethyne-1,2-diylbis(trimethylsilane) | 
| Cost and Manufacturers (*prices are estimated) | 
| Average Lab Cost: $2.8/g | 
| Average Bulk Cost: $336.57/lb. | 
| Lab Size | |||
| Fisher Scientific | 250g | $687.40 | |
| Alfa Aesar | 250g | $713.00 | |
| Bulk | |||
| Molbase | 1000g | $742.00 |