4,4,5,5-tetramethyl-1,3,2-dioxa-borolane
4,4,5,5-tetramethyl-1,3,2-dioxa-borolane
CAS: 25015-63-8
Molecular Formula: C6H13BO2
4,4,5,5-tetramethyl-1,3,2-dioxa-borolane - Names and Identifiers
4,4,5,5-tetramethyl-1,3,2-dioxa-borolane - Physico-chemical Properties
| Molecular Formula | C6H13BO2 |
| Molar Mass | 127.98 |
| Density | 0.882g/mLat 25°C(lit.) |
| Boling Point | 42-43°C50mm Hg(lit.) |
| Flash Point | 41°F |
| Solubility | Miscible with ether, dichloromethane, tetrahydrofuran and organic solvents. |
| Vapor Presure | 29-119.9hPa at 20-50℃ |
| Appearance | Liquid |
| Specific Gravity | 0.882 |
| Color | Clear colorless to light yellow |
| BRN | 7802871 |
| Storage Condition | 2-8°C |
| Stability | Air Sensitive, Hygroscopic, Moisture Sensitive |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.396(lit.) |
| Physical and Chemical Properties | bp : 42-43 °C50mm Hg(lit.) density : 0.882 g/mL at 25 °C(lit.) refractive index : n20/D 1.396(lit.) Fp : 41 °F storage temp. : Keep Cold Sensitive : Air Sensitive BRN : 7802871 |
4,4,5,5-tetramethyl-1,3,2-dioxa-borolane - Risk and Safety
| Risk Codes | R11 - Highly Flammable R15 - Contact with water liberates extremely flammable gases R36/37/38 - Irritating to eyes, respiratory system and skin. R36/37 - Irritating to eyes and respiratory system. R19 - May form explosive peroxides R40 - Limited evidence of a carcinogenic effect |
| Safety Description | S16 - Keep away from sources of ignition. S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S8 - Keep container dry. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S33 - Take precautionary measures against static discharges. S29 - Do not empty into drains. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 3398 4.3/PG 2 |
| WGK Germany | 3 |
| HS Code | 29209090 |
| Hazard Note | Highly Flammable/Keep Cold/Air Sensitive |
| Hazard Class | 4.3 |
| Packing Group | II |
4,4,5,5-tetramethyl-1,3,2-dioxa-borolane - Reference Information
| Uses | Boronizing reagent, currently used to prepare 2-borylpyrrole compounds from 2-iodopyrrole compounds through palladium catalysis. 1 is also used to boronate aryl bromides and chlorides by Pd(dba)2 and di-tert-butyl phosphine phenyl ether. |
Last Update：2024-04-09 15:16:44
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