Description

4,6-Dichlororesorcinol is a halogenated derivative of resorcinol, serving as a versatile and critical organic intermediate in advanced chemical synthesis. Its value lies in its reactive phenolic hydroxyl groups and chlorine substituents, which make it a key building block for constructing complex molecular architectures. This compound is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty dye industries for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with specific halogenated phenolic structures.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and other crop protection agents where the dichlororesorcinol moiety imparts desired biological activity.
• Dye and Pigment Manufacturing: Serves as a building block for producing high-performance dyes, pigments, and optical brighteners.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty resins, epoxy hardeners, and flame-retardant materials.
• Organic Synthesis Reagent: Utilized in research and development laboratories for constructing complex organic molecules, including natural product analogs.
• UV Stabilizer and Antioxidant Precursor: Intermediate in the production of additives for plastics and coatings that require enhanced light stability.

Basic Information

Product Name	4,6-Dichlororesorcinol
CAS No.	137-19-9
Molecular Formula	C6H4Cl2O2
Molecular Weight	179.00 g/mol
Synonyms	1,3-Dihydroxy-4,6-dichlorobenzene; 4,6-Dichloro-1,3-benzenediol; 4,6-Dichlororesorcin; Dichlororesorcinol; NSC 403697; Resorcinol, 4,6-dichloro-
EINECS	205-283-0

Quality Control

Our 4,6-Dichlororesorcinol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling via techniques such as HPLC, GC, and NMR spectroscopy, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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 incompatible materials. 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	108°C - 112°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.