2-Bromo-1,3,2-benzodioxaborole manufacturers
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| | 2-Bromo-1,3,2-benzodioxaborole Basic information |
| Product Name: | 2-Bromo-1,3,2-benzodioxaborole | | Synonyms: | beta-Bromocatecholborane;2-bromo-1,3,2-benzodioxaborale;o-Phenylene bromoboronate;B-Bromocatecholborane;1,3,2-Benzodioxaborole, 2-bromo-;2-Bromo-1,3,2-benzodioxaborole,B-Bromocatechol-borane;2-Bromo-1,3,2-benzodioxaborole 97%;B-Bromocatecholborane> | | CAS: | 51901-85-0 | | MF: | C6H4BBrO2 | | MW: | 198.81 | | EINECS: | | | Product Categories: | B (Classes of Boron Compounds);B-Bromocatecholborane, etc. | | Mol File: | 51901-85-0.mol |  |
| | 2-Bromo-1,3,2-benzodioxaborole Chemical Properties |
| Melting point | 51-53 °C(lit.) | | Boiling point | 76 °C9 mm Hg(lit.) | | density | 1.67±0.1 g/cm3(Predicted) | | Fp | 107 °F | | storage temp. | 2-8°C | | solubility | sol dichloromethane | | form | powder to lump | | color | White to Amber to Dark purple | | BRN | 2445073 | | InChI | 1S/C6H4BBrO2/c8-7-9-5-3-1-2-4-6(5)10-7/h1-4H | | InChIKey | SAILTPCYIYNOEL-UHFFFAOYSA-N | | SMILES | Brb1oc2ccccc2o1 | | CAS DataBase Reference | 51901-85-0 |
| Hazard Codes | C | | Risk Statements | 14-34-37 | | Safety Statements | 26-36/37/39-45 | | RIDADR | UN 2925 4.1/PG 2 | | WGK Germany | 3 | | F | 8-10-21 | | HS Code | 2931.90.6000 | | HazardClass | 4.1 | | PackingGroup | III | | Storage Class | 4.1B - Flammable solid hazardous materials | | Hazard Classifications | Flam. Sol. 1
Skin Corr. 1B |
| | 2-Bromo-1,3,2-benzodioxaborole Usage And Synthesis |
| Uses | B-Bromocatecholborane is a mild Lewis acid capable of selective cleavage of ether, ester and carbamate protecting groups; catalyst
for Diels-Alder reactions. | | Preparation | B-Bromocatecholborane can be conveniently prepared by treating Catechol with Boron Tribromide. The
reagent is isolated by distillation as a moisture-sensitive, low-melting solid. | | storage | B-Bromocatecholborane is a flammable solid, moisture sensitive; may be conveniently stored and
dispensed as a 0.2 M solution in dichloromethane. If properly protected from moisture, these solutions are
stable for a period of months[1]. Use in a fume hood. | | Purification Methods | Keep at 20o/15mm for some time and then fractionally distil. [Gerrard J Chem Soc 1529 1959, Beilstein 6 IV 5612.] | | References |
1. Boeckman Jr., R. K.; Potenza, J. C. TL 1985, 26, 1411.
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| | 2-Bromo-1,3,2-benzodioxaborole Preparation Products And Raw materials |
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