Description

1,2,8,9-Tetrachlorodibenzo-p-Dioxin is a specific chlorinated derivative of the dioxin class of compounds. This high-purity chemical is critical for research and analytical applications where precise molecular standards are required. It is primarily utilized by analytical laboratories, environmental testing facilities, and research institutions for method development, calibration, and toxicological studies.

Application

• Analytical Reference Standard: Serves as a certified standard for the calibration of GC-MS, LC-MS, and other analytical instrumentation.
• Environmental Analysis: Used in the detection, quantification, and monitoring of dioxin and furan congeners in soil, water, and air samples.
• Toxicological Research: Employed in scientific studies to investigate the environmental fate, bioaccumulation, and specific toxic mechanisms of chlorinated dioxins.
• Method Development & Validation: Essential for developing and validating new analytical protocols for persistent organic pollutant (POP) analysis in compliance with EPA and other international methods.
• Quality Control/Quality Assurance (QC/QA): Used as a spike or recovery standard in laboratory QC procedures to ensure accuracy and precision in dioxin testing.
• Regulatory Compliance Testing: Supports testing required under regulations such as the Stockholm Convention, EU POPs Regulation, and TSCA.

Basic Information

Product Name	1,2,8,9-Tetrachlorodibenzo-p-Dioxin
CAS No.	116889-69-1
Molecular Formula	C₁₂H₄Cl₄O₂
Molecular Weight	321.97 g/mol
Synonyms	1,2,8,9-TCDD; 1,2,8,9-Tetrachlorodibenzo[b,e][1,4]dioxin; 1,2,8,9-Tetrachlorodioxin; NSC 406628; Tetrachlorodibenzo-p-dioxin (1,2,8,9- isomer); Dibenzo-p-dioxin, 1,2,8,9-tetrachloro-
EINECS	Contact for details

Quality Control

Our high-purity 1,2,8,9-Tetrachlorodibenzo-p-Dioxin is manufactured and handled under strict quality systems. Each batch is rigorously analyzed using state-of-the-art techniques such as GC-MS and HPLC to ensure identity, purity, and congener-specific accuracy suitable for its use as an analytical standard. Certificates of Analysis (COA) with detailed chromatographic data are provided for traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep the container sealed to prevent contamination and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC/GC-MS)	≥ 98.0%
Congener Specificity	≥ 99.0% (1,2,8,9-TCDD)
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.