417149

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

97%

• Synonym(s): 4,4,5,5-Tetramethyl-2-[(propan-2-yl)oxy]-1,3,2-dioxaborolane, Isopropoxy 4,4,5,5-tetramethyl-1,3,2-dioxaborolane, Isopropoxyboronic acid pinacol ester, Isopropyl pinacol borate, Isopropylpinacolylborate
• Empirical Formula (Hill Notation): C₉H₁₉BO₃
• CAS Number: 61676-62-8
• Molecular Weight: 186.06
• MDL number: MFCD00192241
• UNSPSC Code: 12352103
• PubChem Substance ID: 24866125
• NACRES: NA.22

Properties

• Assay: 97%
• form: liquid
• refractive index: n20/D 1.409 (lit.)
• bp: 73 °C/15 mmHg (lit.)
• density: 0.912 g/mL at 25 °C (lit.)
• SMILES string: CC(C)OB1OC(C)(C)C(C)(C)O1
• InChI: 1S/C9H19BO3/c1-7(2)11-10-12-8(3,4)9(5,6)13-10/h7H,1-6H3
• InChI key: MRWWWZLJWNIEEJ-UHFFFAOYSA-N

Description

Application

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane can be used as a reagent to borylate arenes and to prepare fluorenylborolane.

It can also be used in the synthesis of following intermediates for generating conjugated copolymers:

• 9,9-Dioctyl-2,7-bis(4,4,5,5-tetramethyl1,3,2-dioxaborolane-2-yl)dibenzosilole.
• 3,9-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,11-di(1-decylundecyl)indolo[3,2-b]carbazole.
• 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-dioctylfluorene.
• 2,7-Bis(4′,4′,5′,5′-tetramethyl-1′,3′,2′-dioxaborolan-2′-yl)-N-9′′-heptadecanylcarbazole.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Warning
• Hazard Statements: H226,H315,H319,H335
• Precautionary Statements: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 109.4 °F - closed cup
• Flash Point(C): 43 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves