Description

1,2,3,4-Tetrachlorodibenzofuran is a specific, high-purity chlorinated dibenzofuran congener identified by CAS No. 24478-72-6. This compound is of significant importance as a critical analytical reference standard and research chemical for environmental and toxicological studies. It is primarily required by analytical testing laboratories, research institutions, and regulatory bodies involved in the analysis of persistent organic pollutants (POPs), particularly dioxins and furans.

Application

• Analytical Reference Standard: Primary use as a certified standard for the calibration and quantification of polychlorinated dibenzofurans (PCDFs) in environmental and biological samples via GC-MS or HRGC/HRMS.
• Environmental Monitoring: Used in method development and quality control for analyzing soil, water, air, and sediment samples to assess contamination levels and compliance with international regulations (e.g., Stockholm Convention).
• Toxicological Research: Serves as a key compound in scientific studies investigating the formation, fate, transport, and health effects (endocrine disruption, carcinogenicity) of dioxin-like compounds.
• Food and Feed Safety Analysis: Employed as a standard in the testing of foodstuffs, animal feed, and edible oils to ensure they meet stringent safety limits for dioxin and furan contamination.
• Waste and Emission Testing: Critical for analyzing industrial emissions, incineration fly ash, and chemical waste to monitor and control the release of hazardous substances.
• Method Validation and Proficiency Testing: Used by accredited laboratories to validate analytical methods and participate in inter-laboratory comparison studies to ensure data accuracy and reliability.

Basic Information

Product Name	1,2,3,4-Tetrachlorodibenzofuran
CAS No.	24478-72-6
Molecular Formula	C₁₂H₄Cl₄O
Molecular Weight	305.97 g/mol
Synonyms	1,2,3,4-TCDF; TCDF-1234; Tetrachlorodibenzofuran (1,2,3,4-); Dibenzofuran, 1,2,3,4-tetrachloro-; NSC 89388; 2,3,4,5-Tetrachlorodibenzofuran (isomer designation); Polychlorinated dibenzofuran (PCDF) congener
EINECS	Contact for details

Quality Control

Our 1,2,3,4-Tetrachlorodibenzofuran is produced and handled under strict quality protocols to ensure the identity, purity, and stability required for critical analytical work. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, chromatographic data, and spectroscopic confirmation. We support compliance with ISO/IEC 17025 standards for testing and calibration laboratories.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). For long-term stability, storage at -20°C is recommended. Keep the container tightly sealed in a dry, inert atmosphere to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (GC-MS)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in common organic solvents (e.g., toluene, DMSO)

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