Product Name: Bis(pinacolato)diboron

Synonyms: Diboron Pinacol Ester; Bispinacolatodiboronmin; BIS(PINACOLATO)DIBORANE; Bis-(Pinacolato)-Diboron; BIS(2,2,3,3-TETRAMETHYL-2,3-BUTANEDIONATO)DIBORON; Bis(2,2,3,3-Tetramethyl-2,3-Butanedionato)Diboron; 4,4,4′,4′,5,5,5′,5′-OCTAMETHYL-2,2-BI-1,3,2-DIOXABOROLANE; 4,4,4′,4′,5,5,5′,5′-OCTAMETHYL-2,2′-BI-1,3,2-DIOXABOROLANE; 4,4,4′,4′,5,5,5′,5′-OCTAMETHYL-2,2′-BL-1,3,2-DIOXABOROLANE; 4,4,4′,4′,5,5,5′,5′-Octamethyl-2,2′-Bi-1,3,2-Dioxaborolane; 4,4,4′,4′,5,5,5′,5′-OCTAMETHYL-2,2′-BIS(1,3,2-DIOXABOROLANE); 4,4,5,5,4′,4′,5′,5′-OCTAMETHYL-[2,2']BI[[1,3,2]DIOXABOROLANYL]

CAS No.: 73183-34-3

EINECS No.: 615-925-0

Molecular Formula: C12H24B2O4

Molecular Weight: 253.94

Brief Introduction:

Bis(pinacolato)diboron, also known as Diboron Pinacol Ester, is an organic compound. It is a white crystalline solid with low solubility in water.
Diboron Pinacol Ester has coordination ability and boron storage properties, and can form a stable complex with boric acid.

Preparation Method:

The preparation method of Bis(pinacolato)diboron is generally prepared by the reaction of pinacol and triphenylboryl chloride. The reaction process needs to be carried out under an inert atmosphere and a dry reaction solvent is used.

Specifications of our Bis(pinacolato)diboron:

Appearance	White to off-white solid
Purity (GC)	Not less than 99%
Melting Point	135℃ ~ 145℃, melting range: ≤3℃
Water Content (KF)	Not more than 0.3%

Applications:

The main use of Bis(pinacolato)diboron is as a catalyst or a precursor of a complex catalyst. It can be used in many organic synthesis reactions, such as asymmetric hydrogenation, carbonylation, hydroxylation, etc.

Packaging:

1kg/Aluminum Foil Bag, 5kg/Carton, 10kg/Carton, 25kg/Fibre Drum or according to the specific requirements from customers.

Storage Conditions:

Store in a sealed unopened container filled with nitrogen at a temperature ≤ 25°C and a humidity ≤ 60% RH; protect from heat, light and oxygen.

Shelf Life:

12 months if stored under above mentioned conditions.