4,4,5,5-Tetramethyl-1,3,2-dioxaborolane
ALDRICH/655856 - 97%
Synonym: HBpin; Pinacolborane
CAS Number: 25015-63-8
Empirical Formula (Hill Notation): C6H13BO2
Molecular Weight: 127.98
MDL Number: MFCD00674030
Linear Formula: C6H13BO2
Product Type: Chemical
| assay | 97% |
| bp | 42-43 °C/50 mmHg (lit.) |
| density | 0.882 g/mL at 25 °C (lit.) |
| InChI | 1S/C6H13BO2/c1-5(2)6(3,4) |
| InChI key | UCFSYHMCKWNKAH-UHFFFAOYSA |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | CC1(C)OBOC1(C)C |
| storage temp. | 2-8°C |
| Application: | 4,4,5,5-Tetramethyl-1,3,2 • Borylation at the benzylic C-H bond of alkylbenzenes in the presence of a palladium catalyst to form pinacol benzyl boronate. • Hydroboration of alkyl or aryl alkynes and alkenes in the presence of transition metal catalysts. • Coupling with aryl iodides in the presence of a copper catalyst to form aryl boronates. • Asymmetric hydroboration of 1,3-enynes to form chiral allenyl boronates. |
| Packaging: | 25, 100, 500 g in Sure/Seal™ |
| Packaging: | 5 g in glass bottle |
| Symbol |  GHS02 |
| Signal word | Danger |
| Hazard statements | H225 - H261 |
| Precautionary statements | P210 - P231 + P232 - P233 - P280 - P302 + P335 + P334 - P370 + P378 |
| Hazard Codes | F |
| Risk Statements | 11-15 |
| Safety Statements | 16-43 |
| RIDADR | UN3398 - DOT UN3399 class 4.3 - PG 2 - Organometallic substance, |
| WGK Germany | WGK 3 |
| Flash Point(F) | 41.0 °F - closed cup |
| Flash Point(C) | 5 °C - closed cup |
| Purity | 97% |
| bp | 42-43 °C/50 mmHg (lit.) |
| Density | 0.882 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352103 |