Description

Benzoyl Bromide, 4-Hydroxy- (9Ci) CAS NO 151093-38-8 is a specialized aromatic bromide derivative, serving as a crucial synthetic intermediate for advanced organic transformations. Its reactive benzoyl bromide moiety, activated by the para-hydroxy group, makes it a valuable building block for constructing complex molecules in high-value chemical synthesis. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for introducing benzoyl-protected functionalities.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring benzoylated phenol derivatives.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and plant growth regulators where the 4-hydroxybenzoyl group is a core structural element.
• Liquid Crystal & OLED Materials: Acts as a building block for synthesizing advanced organic electronic materials and photoactive compounds.
• Polymer Chemistry: Employed as a monomer or modifying agent for producing specialty polymers with specific light-absorbing or chemical resistance properties.
• Dye & Pigment Manufacturing: Intermediate in the production of complex dyes and organic pigments, leveraging its reactive sites for chromophore development.
• Cross-Coupling Reactions: Serves as an electrophilic partner in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Stille) to form biaryl structures.
• Protecting Group Chemistry: Useful for introducing the benzoyl (Bz) protecting group to alcohols and phenols under mild conditions.
• Academic & Contract Research: Utilized in research laboratories for methodological development and exploring new synthetic pathways.

Basic Information

Product Name	Benzoyl Bromide, 4-Hydroxy- (9Ci)
CAS No.	151093-38-8
Molecular Formula	C7H5BrO2
Molecular Weight	201.02 g/mol
Synonyms	4-Hydroxybenzoyl bromide; p-Hydroxybenzoyl bromide; (4-Hydroxyphenyl)(oxo)methyl bromide; 4-Hydroxybenzoic acid bromide; 4-Hydroxybenzoyl bromide (9CI); 4-Hydroxybenzoyl bromide, 4-Hydroxybenzoic acid bromide; Bromo(4-hydroxyphenyl)methanone
EINECS	Contact for details

Quality Control

Our Benzoyl Bromide, 4-Hydroxy- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from incompatible materials such as strong bases, oxidizing agents, and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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