Description

1,3,6,8-Tetrachlorodibenzo-p-Dioxin is a specific chlorinated derivative of the dibenzo-p-dioxin chemical class, identified by CAS NO 33423-92-6. This compound is of significant importance as a high-purity analytical reference standard and a critical material for environmental and toxicological research. It is primarily required by analytical laboratories, research institutions, and chemical manufacturers engaged in the study of dioxin congeners, method development, and quality control of related industrial processes.

Application

• Analytical Reference Standard: Primary use as a certified standard for the calibration and validation of analytical instruments like GC-MS and HPLC in environmental testing laboratories.
• Environmental Research: Critical for studying the environmental fate, transport, and degradation pathways of polychlorinated dibenzo-p-dioxins (PCDDs).
• Toxicological Studies: Used in scientific research to investigate the specific toxicity profile, bioaccumulation, and health effects of individual dioxin congeners.
• Method Development: Essential for developing and optimizing sensitive analytical methods for the detection and quantification of dioxins in complex matrices.
• Quality Control: Serves as a spike or control compound in the quality assurance/quality control (QA/QC) protocols for industries monitoring dioxin levels.
• Chemical Synthesis Intermediate: Used as a building block or precursor in specialized organic synthesis for creating other halogenated aromatic compounds for research purposes.

Basic Information

Product Name	1,3,6,8-Tetrachlorodibenzo-p-Dioxin
CAS No.	33423-92-6
Molecular Formula	C₁₂H₄Cl₄O₂
Molecular Weight	321.97 g/mol
Synonyms	1,3,6,8-TCDD; 1,3,6,8-Tetrachlorodibenzo[b,e][1,4]dioxin; 1,3,6,8-Tetrachlorodibenzodioxin; NSC 174546; Tetrachlorodibenzo-p-dioxin (1,3,6,8-); 2,3,7,8-Tetrachlorodibenzo-p-dioxin isomer; Dibenzo[b,e][1,4]dioxin, 1,3,6,8-tetrachloro-
EINECS	Contact for details

Quality Control

Our 1,3,6,8-Tetrachlorodibenzo-p-Dioxin is produced and handled under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and conformance to specification. Certificates of Analysis (COA) detailing lot-specific results from techniques such as HPLC, GC-MS, and NMR are provided. We support research and compliance needs with reliable, traceable, and consistent material quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from heat and incompatible materials. For long-term storage, consider storage under inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details
Solubility	Soluble in organic solvents (e.g., toluene, DMSO)

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