Description

Benzoyl Chloride, 3-Hydroxy- (9Ci) CAS NO 40812-76-8 is a key aromatic acid chloride derivative, serving as a versatile and reactive synthetic intermediate in advanced organic synthesis. Its value lies in the strategic introduction of both an electrophilic benzoyl chloride group and a nucleophilic phenolic hydroxyl group into target molecules, enabling the construction of complex chemical architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Critical building block for synthesizing active pharmaceutical ingredients (APIs), particularly in the development of drugs with phenolic or ester-based functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its bifunctional reactivity is leveraged.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent in the manufacture of specialty polymers, coatings, and adhesives to enhance properties like adhesion and chemical resistance.
• Dye & Pigment Production: Serves as a precursor in the synthesis of complex organic dyes, pigments, and optical brighteners.
• Fine Chemical & Flavor/Fragrance Ingredient: Employed in the multi-step synthesis of complex fragrance molecules and fine chemicals requiring precise aromatic substitution.
• Laboratory Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and creating novel chemical entities.

Basic Information

Product Name	Benzoyl Chloride, 3-Hydroxy- (9Ci)
CAS No.	40812-76-8
Molecular Formula	C7H5ClO2
Molecular Weight	156.57 g/mol
Synonyms	3-Hydroxybenzoyl chloride; m-Hydroxybenzoyl chloride; 3-Hydroxybenzoic acid chloride; Benzoic acid, 3-hydroxy-, chloride; 3-Carboxyphenyl chloride; m-Carboxyphenyl chloride; (3-Hydroxyphenyl)carbonyl chloride
EINECS	Contact for details

Quality Control

Our Benzoyl Chloride, 3-Hydroxy- (9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Contact for details

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