Description

2,3',4,4',5-Pentacb (Pcb-118) (13C12, 98%) 40+/-2 Ug/Ml In Nonane is a high-purity, stable-isotope labeled analytical standard essential for precise environmental and toxicological analysis. This certified reference material provides the critical accuracy and traceability required for quantifying polychlorinated biphenyl (PCB) congeners in complex matrices. It is primarily used by analytical laboratories, environmental testing facilities, and research institutions engaged in regulatory compliance monitoring, food safety testing, and advanced scientific studies.

Application

• Quantitative Analytical Standard for Gas Chromatography-Mass Spectrometry (GC-MS) and High-Performance Liquid Chromatography (HPLC) methods.
• Internal Standard & Calibration in the analysis of PCB residues in environmental samples (soil, water, sediment).
• Method Development & Validation for regulatory testing protocols (e.g., EPA, EU directives) targeting persistent organic pollutants (POPs).
• Food & Feed Safety Testing to monitor and quantify PCB contamination levels.
• Biomedical & Toxicological Research studying the bioaccumulation and metabolic pathways of specific PCB congeners.
• Quality Assurance/Quality Control (QA/QC) programs in commercial and government testing laboratories.

Basic Information

Item	Detail
Product Name	2,3',4,4',5-Pentacb (Pcb-118) (13C12, 98%) 40+/-2 Ug/Ml In Nonane
CAS No.	104130-40-7
Molecular Formula	C12H3Cl5 (unlabeled); ¹³C12-labeled
Molecular Weight	326.43 (unlabeled); ~338.43 (¹³C12-labeled, approximate)
Synonyms	PCB 118; 2,3',4,4',5-Pentachlorobiphenyl; 2,3,4,4',5-Pentachlorobiphenyl (IUPAC); ¹³C12-PCB 118; Carbon-13 Labeled PCB 118; 3,4,4',5-Tetrachloro-2-biphenylyl chloride; UNII-7M6F1S116O; EC 500-053-8
EINECS	500-053-8 (for unlabeled PCB 118)

Quality Control

Every batch of this certified reference material is produced and analyzed under strict quality management systems. The concentration and isotopic purity are verified using state-of-the-art techniques including GC-MS and NMR to ensure compliance with ISO Guide 34 and ISO/IEC 17025 principles. A comprehensive Certificate of Analysis (COA) detailing the exact concentration, purity, uncertainty, and analytical methods is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C (refrigerated). Due to its high volatility and preparation in nonane, ensure proper laboratory ventilation when handling. For long-term stability, store in a dedicated freezer at or below -20°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow solution
Concentration	40 ± 2 µg/mL in Nonane
Assay (HPLC/GC)	≥ 98% (¹³C12-labeled PCB 118)
Isotopic Purity (¹³C12)	≥ 98 atom % ¹³C
Solvent	Nonane
Chemical Purity (HPLC)	≥ 99% (total PCB congener content)
Certification	Supplied with Certificate of Analysis (COA) traceable to NIST standards

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