Description

Chlorothalonil-4-Hydroxy is a key chemical intermediate and metabolite of the broad-spectrum fungicide Chlorothalonil. This compound is essential for research and development in the agrochemical sector, particularly for environmental fate studies, residue analysis, and the synthesis of new active ingredients. It serves as a critical reference standard and building block for manufacturers, analytical laboratories, and R&D institutions focused on crop protection and environmental science.

Application

• Agrochemical Reference Standard: Primary use as an analytical standard for the quantification of Chlorothalonil and its metabolites in environmental and agricultural samples.
• Metabolite Studies: Critical for research into the environmental degradation pathway, persistence, and ecotoxicology of Chlorothalonil.
• Chemical Synthesis: Serves as a versatile intermediate for the development and production of novel fungicides and specialty chemicals.
• Quality Control & Assurance: Used by agrochemical manufacturers to validate purity and monitor residues in technical-grade active ingredients and formulated products.
• Regulatory Compliance Testing: Essential for conducting studies required for product registration with global agencies (e.g., EPA, EFSA).
• Academic and Industrial Research: Fundamental compound for investigating fungicide chemistry, mode of action, and resistance mechanisms.

Basic Information

Product Name	Chlorothalonil-4-Hydroxy
CAS No.	28343-61-5
Molecular Formula	C8HCl4NO2
Molecular Weight	298.90 g/mol
Synonyms	4-Hydroxychlorothalonil; 2,4,5,6-Tetrachloro-3-hydroxyisophthalonitrile; 3-Hydroxy-2,4,5,6-tetrachlorobenzene-1-carbonitrile; Hydroxychlorothalonil; Chlorothalonil metabolite; Chlorothalonil-OH; Chlorothalonil hydroxy derivative; 1-Cyano-3-hydroxy-2,4,5,6-tetrachlorobenzene
EINECS	Contact for details

Quality Control

Our Chlorothalonil-4-Hydroxy is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and identity confirmation via spectroscopic methods (IR, NMR). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research and manufacturing specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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