Pinacolborane, 1.0 M solution in toluene

Pinacolborane, 1.0 M solution in toluene

CAS № 25015-63-8
EC № 607-485-3
Chemical formula: C6H13BO2
Mol weight: 127.98
Synonym: 4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 1.0 M solution in toluene

Physical properties:

Colorless transparent liquid ,readily flammable, sensitive to moisture.
Boiling point: 42-43 °С/50 mm Hg (pinacolborane).
Boiling point: 110-111 °С (toluene).
Density: 0.870 g/cm³.
Flash point: 5 °С (pinacolborane).
Flash point: 4 °С (toluene).
Can be stored at 0 to + 5 °С in an inert gas atmosphere.


  1. Used for hydroboration of alkenes and alkynes.
  2. Used for catalytical borylation of aromatic compounds with formating of arylboronates which are further used in Suzuki cross-coupling reactions.


Appearance colorless liquid
Purity 0.9-1.1 M