Description

4-Chloro-2-Methoxyphenol is a versatile chlorinated methoxyphenol derivative, serving as a crucial synthetic intermediate in fine chemical manufacturing. Its value lies in its unique phenolic and halogenated structure, enabling the synthesis of complex molecules for high-value applications. This compound is essential for R&D chemists and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-purity building blocks.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted phenol core.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where its chlorinated aromatic structure provides biological activity.
• Dye & Pigment Manufacturing: Acts as a precursor in the synthesis of complex organic dyes and pigments, contributing to color fastness and stability.
• Polymer Stabilizer & Antioxidant: Functions as an intermediate for creating phenolic antioxidants that protect polymers from thermal and oxidative degradation.
• Flavor & Fragrance Ingredient: Serves as a synthetic intermediate for certain aroma chemicals, leveraging its methoxyphenol character.
• Organic Synthesis Reagent: A valuable reagent in research laboratories for introducing the 4-chloro-2-methoxyphenoxy moiety into target molecules.

Basic Information

Product Name	4-Chloro-2-Methoxyphenol
CAS No.	16766-30-6
Molecular Formula	C7H7ClO2
Molecular Weight	158.58 g/mol
Synonyms	4-Chloroguaiacol; 2-Methoxy-4-chlorophenol; 4-Chloro-2-hydroxyanisole; Guaiacol, 4-chloro-; 4-Chloro-o-methoxyphenol; 1-Hydroxy-2-methoxy-4-chlorobenzene; 4-Chloro-2-methoxyphenol (primary name)
EINECS	240-818-7

Quality Control

Our 4-Chloro-2-Methoxyphenol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	52 - 56 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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