Description

4-Hydroxy-3-Nitrobenzoyl Chloride is a versatile and reactive aromatic acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its bifunctional nature, combining a reactive acyl chloride group with a nitro-substituted phenol, enabling precise molecular construction. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for developing active ingredients, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a nitro-substituted benzoyl moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its specific substitution pattern is advantageous.
• Dye and Pigment Manufacturing: Serves as an intermediate for azo dyes and other complex colorants, contributing to color fastness and specific hue properties.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for synthesizing specialty polymers, such as polyesters and polyamides, with tailored thermal or optical properties.
• Liquid Crystal and OLED Materials: Utilized in the development of advanced electronic display materials due to its rigid, polarizable aromatic structure.
• Chemical 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	4-Hydroxy-3-Nitrobenzoyl Chloride
CAS No.	85136-67-0
Molecular Formula	C7H4ClNO4
Molecular Weight	201.56 g/mol
Synonyms	3-Nitro-4-hydroxybenzoyl chloride; 4-Hydroxy-3-nitrobenzoic acid chloride; 3-Nitro-4-hydroxybenzoic acid chloride; 4-Hydroxy-3-nitro-benzoylchlorid; 4-Hydroxy-3-nitrobenzoylchloride; 3-Nitro-4-hydroxybenzoylchloride; Benzoic acid, 4-hydroxy-3-nitro-, chloride; 85136-67-0
EINECS	Contact for details

Quality Control

Every batch of 4-Hydroxy-3-Nitrobenzoyl Chloride is manufactured and tested under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment and is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic and 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 heat, sparks, open flames, and incompatible materials such as strong bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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