Description

1,2,7,9-Tetrachlorodibenzofuran is a specific chlorinated dibenzofuran congener, a class of compounds of significant interest in environmental and analytical chemistry. Its precise structure makes it a critical reference standard for research and monitoring programs targeting persistent organic pollutants. This high-purity compound is essential for laboratories and industries requiring accurate calibration and method validation. It serves as a vital tool for environmental testing, toxicological studies, and regulatory compliance analysis.

Application

• Environmental Analysis Reference Standard: Primary use as a certified calibration standard for the quantification of polychlorinated dibenzofurans (PCDFs) in environmental samples (soil, water, air, biota).
• Toxicological Research: Used in scientific studies to investigate the toxicity, environmental fate, and metabolic pathways of specific chlorinated dibenzofuran congeners.
• Method Development & Validation: Critical for developing and validating analytical methods, such as High-Resolution Gas Chromatography/Mass Spectrometry (HRGC/HRMS), for POPs monitoring.
• Quality Control/Quality Assurance (QC/QA): Employed in laboratory QC protocols to ensure the accuracy and precision of analytical results for dioxin and furan analysis.
• Regulatory Compliance Testing: Used by commercial testing laboratories to help industries comply with international regulations (e.g., Stockholm Convention, EPA methods) regarding dioxin and furan emissions and contamination.
• Forensic Environmental Chemistry: Aids in source identification and fingerprinting in cases of environmental contamination involving chlorinated compounds.

Basic Information

Product Name	1,2,7,9-Tetrachlorodibenzofuran
CAS No.	83704-26-1
Molecular Formula	C₁₂H₄Cl₄O
Molecular Weight	305.97 g/mol
Synonyms	1,2,7,9-TCDF; Tetrachlorodibenzofuran (1,2,7,9- isomer); Dibenzofuran, 1,2,7,9-tetrachloro-; PCDF (1,2,7,9-); 1,2,7,9-Tetrachlorodibenzo[b,d]furan; Polychlorinated dibenzofuran congener 1,2,7,9-TCDF; NSC 89389
EINECS	Contact for details

Quality Control

Our 1,2,7,9-Tetrachlorodibenzofuran is manufactured and handled under strict quality systems to ensure identity, purity, and stability. Each batch is rigorously analyzed using state-of-the-art chromatographic and spectroscopic techniques. We provide comprehensive Certificates of Analysis (COA) detailing purity, concentration (if in solution), and confirming the absence of critical interfering congeners, supporting GLP/GMP compliant research and regulatory work.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store at 2-8°C (refrigerated) or as indicated on the product label or COA. Store away from heat and incompatible materials. Allow the sealed container to reach ambient temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	White to off-white solid or as specified
Identification (IR / NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Purity (GC)	≥ 98.0% (Area %)
Concentration (if in solution)	As specified on COA (e.g., 10 µg/mL in nonane)
Solvent (if applicable)	Nonane, Toluene, or other specified

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