Description

Boronic Acid, B,B',B',B'''-(Silanetetrayltetra-4,1-Phenylene)Tetrakis- is a high-purity, multi-functional organosilicon compound featuring four phenylboronic acid groups linked by a central silicon atom. This unique molecular architecture makes it a critical building block and cross-linking agent in advanced material synthesis and pharmaceutical research. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, polymer, and specialty chemical industries for developing novel drug delivery systems, sensors, and high-performance resins.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: Serves as a multi-functional arylboronic acid reagent for constructing complex organic molecules and polymers.
• Covalent Organic Framework (COF) Synthesis: Acts as a key tetrahedral node or linker for creating porous, crystalline materials with high surface areas.
• Molecular Imprinting Polymers (MIPs): Utilized as a functional monomer to create specific binding sites for target analytes in sensor technology.
• Surface Modification & Functionalization: Used to attach boronic acid groups to silica, nanoparticles, or other surfaces for bioseparation and sensing applications.
• Dendrimer and Hyperbranched Polymer Synthesis: Functions as a core unit for building star-shaped or dendritic macromolecules.
• Pharmaceutical Intermediate: Employed in the research and development of active pharmaceutical ingredients (APIs) and prodrugs.
• Hydrogel & Smart Material Cross-linking: Enables the formation of stimuli-responsive (e.g., glucose-sensitive) networks for biomedical applications.
• Chromatography Stationary Phases: Incorporated into column packing materials for the selective separation of sugars, glycoproteins, and other cis-diol containing compounds.

Basic Information

Product Name	Boronic Acid, B,B',B',B'''-(Silanetetrayltetra-4,1-Phenylene)Tetrakis-
CAS No.	499142-74-4
Molecular Formula	C24H20B4O8Si
Molecular Weight	503.85 g/mol
Synonyms	Tetrakis(4-boronophenyl)silane; Silane, tetrakis(4-boronophenyl)-; Tetrakis(4-dihydroxyborylphenyl)silane; Tetrakis(p-boronophenyl)silane; 4,4',4'',4'''-(Silanetetrayl)tetrabenzeneboronic acid; Silicon tetrakis(4-phenylboronic acid); (Phenylboronic acid)4silane; B,B',B',B'''-(Silanetetrayltetra-4,1-phenylene)tetrakisboronic acid
EINECS	Contact for details

Quality Control

Our production of Boronic Acid, B,B',B',B'''-(Silanetetrayltetra-4,1-Phenylene)Tetrakis- adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and industrial applications. Each lot undergoes comprehensive analytical characterization, including HPLC for purity, NMR for structural confirmation, and elemental analysis. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, the container should be stored in a cool, dry place, ideally under an inert atmosphere such as nitrogen or argon to prevent degradation. Recommended long-term storage temperature is 2-8°C. Allow the sealed container to equilibrate to room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.