Description

Arsenocholine CAS NO 39895-81-3 is an organoarsenic compound that serves as a critical reference standard and research chemical. It is primarily valued for its role in analytical chemistry and toxicology studies, particularly in the detection and quantification of arsenic-containing species. This high-purity material is essential for researchers and quality control laboratories in the environmental, food safety, and pharmaceutical sectors who require reliable standards for method development and validation.

Application

• Analytical Reference Standard: Primary use as a certified reference material (CRM) for calibrating instruments and validating analytical methods like HPLC-ICP-MS.
• Toxicology & Metabolism Research: Used in studies investigating the biochemical pathways, toxicity, and metabolic fate of arsenicals in biological systems.
• Environmental Analysis: Critical for speciating and quantifying arsenocholine in complex matrices such as seawater, sediments, and biological samples to assess contamination.
• Food Safety Testing: Employed in the analysis of seafood and other food products for arsenic speciation to monitor compliance with safety regulations.
• Pharmaceutical Impurity Profiling: Acts as a standard for identifying and quantifying potential arsenic-containing impurities in drug substances and products.
• Method Development & Validation: Serves as a key component in developing new, sensitive analytical protocols for arsenic speciation analysis.

Basic Information

Product Name	Arsenocholine
CAS No.	39895-81-3
Molecular Formula	C5H14AsO
Molecular Weight	165.09 g/mol
Synonyms	(2-Hydroxyethyl)trimethylarsonium; Trimethyl(2-hydroxyethyl)arsonium; Arsonium, (2-hydroxyethyl)trimethyl-, hydroxide; Arsenocholine hydroxide; (2-Hydroxyethyl)trimethylarsonium hydroxide; Choline arsenical; Contact for details on additional synonyms.
EINECS	Contact for details

Quality Control

Our Arsenocholine is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity, suitable for use as a reference material. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity confirmation, and impurity profiles. We adhere to relevant guidelines for reference material production to support your compliance and research integrity needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This material is light-sensitive (store away from light). For long-term storage, consider conditions recommended for sensitive organometallic standards.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	Contact for details

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