Methylaluminoxane
ALDRICH/404594 - 10% in toluene
CAS Number: 206451-54-9
MDL Number: MFCD00192274
Linear Formula: [(CH3)0.95(n-C8)H17]0.05AlO]n
Product Type: Chemical
| bp | 111 °C |
| concentration | 10% in toluene |
| density | 0.895 g/mL at 25 °C |
| form | liquid |
| InChI key | CPOFMOWDMVWCLF-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| SMILES string | [Al](=O)C |
| storage temp. | 2-8°C |
| vapor pressure | 0.76 mmHg ( 60 °C) |
| Application: | Dialkylmetallocenes can undergo exchange reactions with methylaluminoxane. |
| General description: | Methylaluminoxane is an oligomeric compound used as a co-catalyst in olefin polymerization reactions to produce polyolefins. |
| Legal Information: | Sure/Seal is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 100, 800 mL in Sure/Seal™ |
| Packaging: | The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product. |
| Symbol | ![]() ![]() ![]() GHS02,GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H225 - H260 - H304 - H314 - H336 - H361d - H373 - H412 |
| Precautionary statements | P210 - P231 + P232 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | F,C,N |
| Risk Statements | 63-11-14/15-17-34-48/20-51/53-65-67 |
| Safety Statements | 9-16-26-36/37/39-43-45 |
| RIDADR | UN 3399A 4.3(3) / PGI |
| WGK Germany | WGK 3 |
| Flash Point(F) | 39.2 °F |
| Flash Point(C) | 4 °C |
| bp | 111 °C |
| Density | 0.895 g/mL at 25 °C |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352103 |





