Description

1,2,3,6,7-Pentachlorodibenzo[1,4]Dioxin is a specific, high-purity congener of polychlorinated dibenzo-p-dioxins (PCDDs), a class of compounds of significant environmental and toxicological interest. This compound serves as a critical analytical reference standard for precise identification and quantification in complex matrices. It is primarily required by environmental testing laboratories, regulatory agencies, and research institutions engaged in contaminant analysis, toxicology studies, and method development.

Application

• Analytical Reference Standard: Primary use as a certified standard for the calibration of GC-MS and HRGC-HRMS systems in environmental and food safety testing.
• Environmental Monitoring: Quantification of dioxin contamination in soil, sediment, water, and air samples to assess pollution levels and compliance with regulations.
• Food and Feed Safety Analysis: Detection and measurement of PCDD/Fs in food products, animal feed, and edible oils to ensure public health safety.
• Toxicological Research: Used in studies to investigate the specific biological activity, metabolism, and health effects of individual dioxin congeners.
• Method Development and Validation: Essential for developing, optimizing, and validating new analytical protocols for dioxin analysis in various laboratories.
• Quality Control/Quality Assurance (QC/QA): Serves as a spike or recovery standard to verify the accuracy and precision of analytical procedures.
• Regulatory Compliance Testing: Supports testing mandated by agencies like the EPA, EU, and others enforcing limits on dioxins and furans.

Basic Information

Product Name	1,2,3,6,7-Pentachlorodibenzo[1,4]Dioxin
CAS No.	71925-15-0
Molecular Formula	C12H3Cl5O2
Molecular Weight	356.41 g/mol
Synonyms	1,2,3,6,7-PeCDD; Pentachlorodibenzo-p-dioxin (1,2,3,6,7-); 1,2,3,6,7-Pentachlorodibenzo[b,e][1,4]dioxin; NSC 89289; Dibenzo[b,e][1,4]dioxin, 1,2,3,6,7-pentachloro-; PCDD (1,2,3,6,7-); 1,2,3,6,7-Pentachlorodioxin
EINECS	Contact for details

Quality Control

Our high-purity analytical standards are produced and verified under strict quality management protocols. Each batch is characterized using advanced techniques including high-resolution gas chromatography/mass spectrometry (HRGC/HRMS) and nuclear magnetic resonance (NMR) to confirm identity and purity. A comprehensive Certificate of Analysis (COA) is provided, detailing the certified concentration, purity grade, analytical methods, and uncertainty values, ensuring traceability and compliance with ISO/IEC 17025 principles for testing laboratories.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C (refrigerated) or as indicated on the label or COA. For long-term storage, solutions should be kept at -20°C or below. This material is moisture-sensitive (hygroscopic) and should be handled under inert atmosphere when appropriate to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR / NMR)	Conforms to structure
Purity (by GC-MS / HRGC-HRMS)	≥ 98.0% (area%)
Certified Concentration (in solution)	10 µg/mL ± 5% (in nonane or toluene)
Water Content (Karl Fischer)	≤ 0.5%
Homogeneity & Stability	Verified

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