Description

1,2,4,9-Tetrachlorodibenzo[1,4]Dioxin is a specific chlorinated derivative of the dibenzo-p-dioxin class of compounds, identified by CAS NO 71665-99-1. This compound is of significant interest in chemical research and analytical chemistry, particularly for use as a reference standard or an intermediate in specialized synthetic pathways. It is primarily utilized by research institutions, analytical laboratories, and chemical manufacturers engaged in environmental analysis, toxicology studies, and the development of advanced organic materials.

Application

• Analytical Reference Standard: Used for the calibration of instruments and as a qualitative/quantitative standard in gas chromatography (GC) and mass spectrometry (MS) for environmental pollutant analysis.
• Toxicological Research: Serves as a critical compound in studies investigating the environmental fate, bioaccumulation, and toxic effects of chlorinated dioxins and related persistent organic pollutants (POPs).
• Chemical Synthesis Intermediate: Acts as a building block or precursor in the research-scale synthesis of more complex dioxin analogues or structurally related compounds for material science applications.
• Method Development & Validation: Employed by testing laboratories to develop, optimize, and validate analytical methods for the detection and quantification of dioxin-like compounds in various matrices.
• Environmental Monitoring: Used in quality assurance/quality control (QA/QC) protocols for laboratories monitoring dioxin contamination in soil, water, and industrial emissions.

Basic Information

Product Name	1,2,4,9-Tetrachlorodibenzo[1,4]Dioxin
CAS No.	71665-99-1
Molecular Formula	C12H4Cl4O2
Molecular Weight	321.97 g/mol
Synonyms	1,2,4,9-Tetrachlorodibenzo-p-dioxin; Tetrachlorodibenzodioxin (mixed isomer); 1,2,4,9-TCDD; Dibenzo[b,e][1,4]dioxin, 1,2,4,9-tetrachloro-; NSC 406908
EINECS	Contact for details

Quality Control

Our 1,2,4,9-Tetrachlorodibenzo[1,4]Dioxin is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis, to ensure identity, strength, and composition. A comprehensive Certificate of Analysis (COA) detailing batch-specific results is provided to guarantee traceability and compliance with your research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Related Substances (HPLC)	Individual impurity ≤ 2.0%
Total Impurities	≤ 5.0%
Solubility	Soluble in common organic solvents (e.g., DMSO, acetone)

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