Description

Methyl Viologen-D8 Dichloride CAS NO 347841-45-6 is a deuterated isotopologue of the widely used redox indicator and herbicide, Paraquat dichloride. This compound is specifically valued for its role as an internal standard in mass spectrometry, enabling precise quantitative analysis in complex matrices. It is essential for researchers and analytical laboratories in the fields of environmental testing, forensic toxicology, and agricultural chemistry where accurate tracking and quantification of the parent compound are required.

Application

• Internal Standard for Mass Spectrometry (LC-MS/MS, GC-MS): Primary application for the accurate quantification of Paraquat in analytical methods.
• Environmental Analysis: Used in the detection and measurement of herbicide residues in soil and water samples.
• Forensic and Clinical Toxicology: Critical for confirming Paraquat exposure in biological samples (e.g., blood, urine) with high precision.
• Metabolic Studies: Employed in pharmacokinetic and metabolic pathway research utilizing deuterium labeling.
• Agricultural Chemistry Research: Supports studies on herbicide degradation, persistence, and environmental fate.
• Method Development and Validation: Serves as a key reference material for developing robust, compliant analytical protocols.
• Quality Control in Manufacturing: Potential use in verifying the purity and composition of related chemical products.

Basic Information

Product Name	Methyl Viologen-D8 Dichloride
CAS No.	347841-45-6
Molecular Formula	C12D8H6Cl2N2
Molecular Weight	263.20 g/mol (deuterated form)
Synonyms	Paraquat-d8 dichloride; 1,1'-Dimethyl-4,4'-bipyridinium-d8 dichloride; Methyl viologen-d8; Deuterated Paraquat dichloride; D8-Paraquat; 4,4'-Bipyridinium, 1,1'-dimethyl-, dichloride, d8-; N,N'-Dimethyl-4,4'-bipyridinium-d8 dichloride
EINECS	Contact for details

Quality Control

Our Methyl Viologen-D8 Dichloride is manufactured under strict quality systems to ensure high isotopic purity and chemical integrity, suitable for sensitive analytical applications. Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing key parameters such as isotopic purity, chemical purity, and absence of interfering impurities. We adhere to relevant standards for reference materials and analytical reagents.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (D-content)	≥ 98 atom % D
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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