Octachloronaphthalene

Octachloronaphthalene High-Purity Reference Materials for Confident POP Monitoring

Ensure defensible, trace-level quantification of octachloronaphthalene OCN C10Cl8 across food, feed, and environmental matrices with HPC Standards GmbH. Our high-purity analytical standardsavailable as neat compounds, single-analyte solutions, and custom PCN mixesare tested to international quality requirements and delivered with comprehensive Certificates of Analysis. Optimize HRGCHRMS, GC-MSMS, or GC-ECD workflows with matrix-matched calibration support and optional stable isotopelabelled analogues for precise isotope dilution. Rely on HPC Standards to streamline validation, strengthen QAQC, and meet regulatory obligations for POPs monitoring with confidence.

Product	Catalog No./ CAS No.	Quantity	Price
ISO 17034 Certified Reference Material Octachloronaphthalene solution Concentration: 10.0 µg/ml Solvent: Acetonitrile	684078 2234-13-1	1X10ML	Please log in.
ISO 17034 Certified Reference Material Octachloronaphthalene solution Concentration: 10.0 µg/ml Solvent: Isooctane	684081 2234-13-1	1X10ML	Please log in.
ISO 17034 Certified Reference Material Octachloronaphthalene solution Concentration: 100 µg/ml Solvent: Acetonitrile	693559 2234-13-1	1X5ML	Please log in.
ISO 17034 Certified Reference Material Octachloronaphthalene solution Concentration: 100 µg/ml Solvent: Isooctane	693560 2234-13-1	1X5ML	Please log in.
Octachloronaphthalene	693561 2234-13-1	1X5MG	Please log in.

Reference materials for accurate identification and quantification of octachloronaphthalene (OCN; C10Cl8) in food, feed, and environmental matrices, enabling robust residue monitoring and regulatory compliance.

Overview

Octachloronaphthalene is the fully chlorinated congener of the polychlorinated naphthalenes (PCNs). It is a highly hydrophobic, persistent, and bioaccumulative organic pollutant with very low water solubility and low vapor pressure. Due to its stability and semi-volatile behavior, OCN can undergo long-range environmental transport and accumulate in biota and sediments.

Accurate, trace-level quantification of OCN is critical for exposure assessment, source tracking, and control of legacy contamination in industrial and environmental contexts.

Chemical Identity

Chemical name: Octachloronaphthalene (OCN)

Formula: C10Cl8; Molecular weight: ~403.7 g/mol

CAS: 2234-13-1 (representative single-congener identifier)

Key properties: very low aqueous solubility, high log Kow, strong sorption to organic matter and particulates, thermal and chemical stability.

Uses and Sources

Historically, PCNs (including OCN) were used as dielectric fluids, cable insulation additives, flame retardants, wood preservatives, and in specialty lubricants and sealants. OCN can also be formed as an unintentional by-product in chlorination processes and waste incineration.

Current concerns are primarily linked to legacy uses, unintentional formation, and releases from contaminated materials, soils, and sediments.

Regulatory Status

Polychlorinated naphthalenes are listed under international persistent organic pollutant (POP) frameworks (e.g., Stockholm Convention) with production and use largely prohibited or severely restricted, subject to specific exemptions. Corresponding regional legislation (e.g., EU POPs Regulation) implements controls on manufacture, placing on the market, and waste management.

OCN may be included in institutional monitoring programs and inventories for POPs. Sector- and matrix-specific guidance values can apply; laboratories should consult local and sectoral regulations for limits and reporting requirements.

Monitoring and Analytical Methods

Instrumental analysis: HRGC/HRMS or GC-MS/MS for congener-specific quantification; GC-ECD can be used for screening with confirmatory MS. High-resolution capillary columns (non-polar to mid-polar) support separation of PCN congeners.

Typical LOD/LOQ targets are in the low pg/g to ng/g range, matrix-dependent. Isotope dilution with stable isotope-labelled analogues enhances accuracy and corrects for matrix effects and recovery losses.

Sample Preparation and QA/QC

Extraction: Soxhlet, pressurized liquid extraction (PLE), or ultrasonic extraction depending on matrix (soil, sediment, biota, food/feed, dust, oils). Air sampling typically employs PUF/XAD and filters, followed by solvent extraction.

Cleanup: multi-step cleanup using acidified silica, alumina, Florisil, carbon columns, and/or gel permeation chromatography to remove lipids and co-extracts. Sulfuric acid treatment may be applied where appropriate.

QA/QC: use of method blanks, spikes, surrogate standards, matrix-matched calibration, and certified reference materials. Congener-specific calibration with internal standards is recommended for defensible quantification.

Health Impact — Human Toxicity

PCNs exhibit systemic toxicity, with the liver and skin as primary targets; effects can include hepatic enzyme induction, hepatotoxicity, and dermal responses. Chronic exposure has been associated with endocrine and developmental effects in animal studies. While toxicity varies across congeners, highly chlorinated congeners like OCN are persistent and bioaccumulative, warranting precautionary exposure controls.

Potential exposure routes include ingestion (contaminated food/fats), inhalation of contaminated particulates, and dermal contact with contaminated materials.

Environmental Impact — Persistence and Wildlife Effects

OCN is highly persistent in soils and sediments and biomagnifies through aquatic and terrestrial food webs. Adverse effects reported for wildlife include impaired reproduction, developmental toxicity, and hepatic effects in fish and birds, consistent with POP characteristics of PCNs.

Due to strong sorption and low degradability, OCN can remain in legacy contaminated sites for decades, with potential remobilization during dredging or disturbance events.

Occupational and Laboratory Safety Measures

Implement closed handling and local exhaust ventilation when preparing standards and samples. Wear appropriate PPE (chemical-resistant gloves, lab coat, safety glasses); consider dermal protection when handling concentrated solutions.

Prevent cross-contamination using dedicated glassware and pre-cleaned consumables. Collect OCN-containing waste separately and dispose of as hazardous POP waste according to local regulations. Avoid heating above necessary analytical conditions outside of sealed systems.

Matrices and Application Areas

Matrices: ambient and indoor air (filters/PUF), stack emissions, water (particulate-associated), sediments and soils, sludge, biota (fish, marine mammals), food and feed (particularly fatty matrices), oils and technical products, dust.

Applications: regulatory and voluntary monitoring, site investigations, food and feed safety testing, product stewardship, and forensic/source apportionment studies.

Storage, Stability and Shipping

Store neat compounds and solutions in amber glass, airtight, at controlled room temperature or refrigerated as specified on the certificate. Protect from light and elevated temperatures. Use PTFE-lined caps to minimize sorption and ingress. Observe expiry dates and requalification intervals.

Ship according to applicable transport regulations for hazardous substances; include temperature and light protection as indicated.

Analytical Standards

HPC Standards GmbH provides high-purity reference materials for Octachloronaphthalene to support congener-specific calibration, validation, and routine monitoring across food and environmental matrices. Products are tested according to international quality requirements and meet the highest industrial standards.

Available formats include: neat materials, single-analyte solutions, and custom multicomponent PCN mixes. On request, stable isotope-labelled derivatives for isotope dilution can be supplied to improve accuracy and correct for recovery and matrix effects.

Each batch is delivered with a comprehensive Certificate of Analysis (including purity, identity confirmation, concentration with uncertainty, solvent system, and traceability). Custom concentrations, solvent systems (e.g., nonane, iso-octane, toluene), and packaging sizes are available to align with method requirements (HRGC/HRMS, GC-MS/MS, GC-ECD).

As your competent partner in food and environmental analysis, we also manufacture reference materials for related pollutants (pesticides, veterinary products, metabolites, and isotope-labelled analogues) to streamline multi-residue workflows and ensure regulatory compliance.