Description

C-131,2,3,6,7,8-Hxcdd is a specific hexachlorinated dibenzo-p-dioxin congener, a compound of significant interest in analytical and environmental chemistry. It serves as a critical reference standard for the precise identification and quantification of dioxin and furan contaminants in complex matrices. This high-purity material is essential for laboratories in the environmental monitoring, food safety, and industrial hygiene sectors, enabling compliance with stringent global regulatory limits for persistent organic pollutants (POPs).

Application

• Analytical Reference Standard: Primary use as a certified standard for calibrating GC-MS and HRGC-HRMS systems in dioxin analysis.
• Environmental Testing: Calibration and quality control for the analysis of soil, sediment, water, and air samples to monitor POPs contamination.
• Food and Feed Safety: Used in methods to determine dioxin levels in foodstuffs, animal feed, and edible oils to ensure compliance with EU, US FDA, and other international regulations.
• Waste and Emission Control: Essential for testing industrial waste, incineration fly ash, and stack emissions to meet environmental protection standards.
• Toxicological Research: Serves as a pure congener in studies investigating the specific toxicity, environmental fate, and bioaccumulation of chlorinated dioxins.
• Method Development and Validation: Critical for developing, optimizing, and validating new analytical protocols for dioxin-like compounds.
• Proficiency Testing: Used by accreditation bodies and testing laboratories to prepare samples for inter-laboratory comparison and competency assessment programs.

Basic Information

Product Name	C-131,2,3,6,7,8-Hxcdd
CAS No.	109719-81-5
Molecular Formula	C12H2Cl6O2
Molecular Weight	390.86 g/mol
Synonyms	1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin; 1,2,3,6,7,8-HxCDD; HxCDD (1,2,3,6,7,8-); C-131 HxCDD; 1,2,3,6,7,8-Hexachlorodibenzodioxin; Dibenzo[b,e][1,4]dioxin, 1,2,3,6,7,8-hexachloro-; CAS 109719-81-5
EINECS	Contact for details

Quality Control

Every batch of C-131,2,3,6,7,8-Hxcdd is produced and handled under strict quality management systems to ensure the highest purity and stability required for trace-level analysis. Our products undergo rigorous identity confirmation and purity verification using state-of-the-art chromatographic and spectroscopic techniques. Certificates of Analysis (COA) detailing lot-specific purity, solvent content, and chromatographic data are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C (refrigerated) or as specified on the label or Certificate of Analysis. For long-term storage, solutions should be kept in amber glass vials under inert atmosphere at -20°C or below to prevent degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white solid or solution
Identification (IR / NMR)	Conforms to structure
Purity (HPLC / GC)	≥ 98.0% (by area)
Concentration (if in solution)	10 µg/mL ± 5% in nonane, toluene, or as requested
Related Substances (HPLC)	Total other HxCDD isomers ≤ 1.0%
Solvent Content (GC)	As per COA

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