1,4-Benzenediboronic Acid Bis(pinacol) Ester TCI B4633

Chemical Identity

CAS No.: 99770-93-1
PubChem: CID 10592495·SID 253662175
Formula: C18H28B2O4
Molecular weight: 330.0 g/mol
Purity: >98.0%(GC)

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 4,4,5,5-tetramethyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane
SMILES: B1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)B3OC(C(O3)(C)C)(C)C
InChIKey: UOJCDDLTVQJPGH-UHFFFAOYSA-N

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1,4-Benzenediboronic Acid Bis(pinacol) Ester is a key chemical reagent widely used in the field of organoboron chemistry. This compound plays a critical role in various synthetic reactions, particularly in the Suzuki-Miyaura coupling reaction, where it serves as a boronic acid derivative. Its unique molecular structure enables high reactivity and specificity, making it an essential tool for chemists working on complex organic synthesis. In laboratory settings, it is valued for its ability to facilitate the formation of diverse organic compounds with high efficiency and selectivity.

The compound's chemical properties, including its stability under controlled conditions and reactivity towards specific substrates, make it a preferred choice for advanced chemical research. Its ability to act as an efficient boron source in chemical reactions enhances the yield and purity of the final products. Additionally, its compatibility with a wide range of substrates allows for greater flexibility in synthetic strategies, making it a versatile reagent in both academic and industrial laboratories.

In Indonesian laboratories, this compound is commonly used in organic chemistry research, especially in universities and research institutions. Its demand is driven by the need for high-quality organoboron reagents in the development of new chemical compounds and pharmaceuticals. Due to its reliability and effectiveness, it is a highly sought-after material among researchers in the field of synthetic chemistry.

TCI brochures (PDF)

Suzuki-Miyaura Cross Coupling Reaction 2025-12-01 · p. 16
Boron Compounds 2025-10-07 · p. 15
Building Blocks for Organic Semiconductor 2026-03-24 · p. 32

Related TCI products

Organic synthesis applications benefit from its role as a boronic acid derivative, enabling efficient coupling reactions in complex molecule construction.
It is ideal for Suzuki-Miyaura reactions due to its reactivity and compatibility with a variety of aromatic halides, enhancing cross-coupling efficiency.
The compound supports the development of pharmaceutical compounds by facilitating the formation of diverse organic structures with high selectivity.
In academic research, it is used to explore new synthetic pathways and improve reaction yields in organoboron chemistry.
Its stability under controlled conditions makes it suitable for long-term storage and use in multiple experimental setups.

Brand	TCI
CAS number	99770-93-1
Molecular formula	—
Purity	—
Category	Chemistry > Organometallic Reagents > Organoboron [Organometallic Reagents]
Pack sizes	Available in various quantities as per standard laboratory supply
Physical form	Solid or liquid, depending on the specific formulation
Storage	Store in a cool, dry place away from moisture and direct sunlight

This compound should be stored in a cool, dry environment to maintain its chemical stability and prevent degradation. It is recommended to use airtight containers to protect it from moisture and air exposure. Due to its reactivity, it should be handled in a well-ventilated area, and appropriate personal protective equipment should be worn. Avoid contact with incompatible substances and ensure proper disposal according to local regulations. Regular monitoring of storage conditions ensures the material remains suitable for use in laboratory applications.

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