CAS No:73183-34-3 Bis(pinacolato)diboron|BIS(2,2,3,3-TETRAMETHYL-2,3-BUTANEDIONATO)DIBORON;BIS(PINACOLATO)DIBORANE;DIBORON PINACOL ESTER;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'-BIS(1,3,2-DIOXABOROLANE)

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Product Name: Bis(pinacolato)diboron
Synonyms: BIS(2,2,3,3-TETRAMETHYL-2,3-BUTANEDIONATO)DIBORON;BIS(PINACOLATO)DIBORANE;DIBORON PINACOL ESTER;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'-BIS(1,3,2-DIOXABOROLANE)
CAS No.: 73183-34-3
Molecular Formula: C12H24B2O4
Molecular Weight : 253.93856
Specification : 98%
Place of Origin: China
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Bis(pinacolato)diboron Chemical Properties

Melting point	137-140 °C(lit.)

density	0.98

storage temp.	0-6°C

form	Powder or Platelets

color	White

Water Solubility	Soluble in tetrahydrofuran, dichloromethane, toluene, hexane and heptane. Insoluble in water.

Sensitive	moisture sensitive

Merck	14,1300

BRN	7703552

CAS DataBase Reference	73183-34-3(CAS DataBase Reference)

Hazard Codes	Xi,Xn

Risk Statements	36/37/38-20/21/22

Safety Statements	26-37/39-36-24/25

WGK Germany	3

Hazard Note	Irritant

HazardClass	IRRITANT, IRRITANT-HARMFUL, KEEP COLD



Bis(pinacolato)diboron Usage And Synthesis

Reaction	Reagent used for the synthesis of aryl, alkenyl, allyl and alkylboronic esters. Reagent used for the borylation of an α,β-unsaturated ketones. Reagent used for the synthesis of precursors for conducting polymers. Reagent used for the synthesis of in vivo fluorescent probes. Reagent used for the diborylation of alkynes.

Chemical Properties	white crystal powder

Uses	suzuki reaction

Uses	Bis(pinacolato)diboron is used as a condensation agent in the preparation poly(arylene)s. Bis(pinacolato)diboron is an organoboranate with potential use as matrix metallo-proteinase (MMP-2) inhibitor.

Uses	As a boron source in Pt-mediated diborations, coupling reactions; in Rh-or Ir-mediated borylations of alkanes and arenes, and in carbenoid chemistry.



Bis(pinacolato)diboron Preparation Products And Raw materials

Preparation Products	TERT-BUTYL 5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)ISOINDOLINE-2-CARBOXYLATE-->4-Nitrophenylboronic acid-->4-AMINO-3-METHOXYPHENYLBORONIC ACID, PINACOL ESTER

Raw materials	Ethyl acetate-->Sodium-->PETROLEUM ETHER-->Toluene-->Cyclohexane-->Pentane-->Tetrahydro pyrrole-->Boron tribromide-->Pinacol

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