Description

3-Chloro-4-Nitrosophenol is a specialized nitroso compound of significant interest in advanced organic synthesis and chemical research. Its unique structure, featuring both chloro and nitroso substituents on a phenolic ring, makes it a valuable intermediate for constructing complex molecules and functional materials. This chemical is primarily utilized by research institutions and industrial R&D departments focused on developing pharmaceuticals, agrochemicals, and specialty dyes.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Research: Used in the development and study of new herbicides, pesticides, and plant growth regulators.
• Dye and Pigment Synthesis: Acts as a precursor in the manufacture of specialized azo dyes and colorants for industrial applications.
• Chemical Research & Development: Employed as a reagent in organic synthesis for introducing nitroso and chloro functional groups.
• Polymer Chemistry: Investigated as a monomer or modifier for creating polymers with specific optical or electronic properties.
• Analytical Chemistry: May be used as a standard or reagent in specific spectrophotometric or chromatographic methods.

Basic Information

Product Name	3-Chloro-4-Nitrosophenol
CAS No.	40140-91-8
Molecular Formula	C6H4ClNO2
Molecular Weight	157.55 g/mol
Synonyms	4-Nitroso-3-chlorophenol; 3-Chloro-4-hydroxy-nitrosobenzene; Phenol, 3-chloro-4-nitroso-; 1-Chloro-2-hydroxy-5-nitrosobenzene; 2-Chloro-1-hydroxy-4-nitrosobenzene; 3-Chloro-p-nitrosophenol; p-Nitroso-3-chlorophenol
EINECS	254-819-9

Quality Control

Our 3-Chloro-4-Nitrosophenol is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including identification (IR), purity assay (HPLC), and impurity profiling, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming specifications for identity, purity, and related substances.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to handle under an inert atmosphere for long-term storage and to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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