| Appearance and Shape (20°C) | Liquid | 
|---|---|
| CAS RN | 4250-81-1 | 
| MDL number | MFCD00039959 | 
| Molecular weight | 144.22 | 
| Molecular Formula | C11H12 | 
| Product code | ICTP0359 | 
| PubChem Substance ID | 87574576 | 
| Purity/Analytical Methods | >97.0%(GC) | 
| Reaxys-RN | 1853156 | 
| SDBS (AIST Spectral DB) | 619 | 
| Situations to avoid | Air Sensitive | 
| Store under inert gas | Store under inert gas | 
| Appearance | Colorless to Orange to Green clear liquid | 
|---|---|
| Purity(GC) | min. 97.0 % | 
| Boiling point | 214 °C | 
|---|---|
| Flash point | 82 °C | 
| Poroportion | 0.91 | 
| Refractive index | 1.54 | 
| Pictograms |   | 
|---|---|
| Hazard statement | H315 : Causes skin irritation H319 : Causes serious eye irritation. | 
| Precautionary Statements | P264 : Wash skin thoroughly after handling P280 : Wear protective gloves/ eye protection/ face protection P302 + P352 : IF ON SKIN: Wash with plenty of water P337 + P313 : If eye irritation persists: Get medical advice/ attention P362 + P364 : Take off contaminated clothing and wash it before reuse P332 + P313 : If skin irritation occurs: Get medical advice/ attention. | 
| Signal word | Warning | 
Chemicals by Class Compounds by Functional Group Classes Acetylenes [Chemical Structural Class] Acetylenic Aromatic Hydrocarbons [Chemical Structural Class]
Chemistry Building Blocks Non-Heterocyclic Building Blocks Alkynes [Non-Heterocyclic Building Blocks] Arenes [Non-Heterocyclic Building Blocks]