Description

Sodium Arsenite is an inorganic compound primarily recognized for its role as a potent analytical reagent and a key intermediate in specialized chemical syntheses. Its high reactivity makes it a critical component in various industrial and research processes where precise control over arsenic chemistry is required. This product is essential for manufacturers and laboratories in sectors such as metallurgy, glass production, and analytical chemistry.

Application

• Analytical Chemistry: Used as a standard and reagent in titrations and other quantitative analyses, particularly for iodine-based reactions.
• Metallurgy & Alloy Production: Acts as a refining agent and additive in the production of specialty alloys and lead shot.
• Glass Manufacturing: Employed as a decolorizing agent to remove green tints caused by iron impurities in glass batches.
• Wood Preservation: Historically used in formulations for pressure-treated lumber; modern use is highly restricted and regulated.
• Pesticide Intermediate: Serves as a chemical precursor in the synthesis of certain herbicides and insecticides.
• Research & Development: Utilized in laboratories for studying arsenic chemistry, toxicology, and environmental fate.
• Electroplating: Functions in specific electroplating baths for depositing arsenic-containing coatings.
• Preservative for Biological Specimens: Used in very specific, controlled museum or laboratory settings.

Basic Information

Product Name	Sodium Arsenite
CAS No.	13768-07-5
Molecular Formula	NaAsO₂
Molecular Weight	129.91 g/mol
Synonyms	Sodium metaarsenite; Arsenious acid, sodium salt; Sodium dioxoarsenate; Arsenite de sodium; Natriumarsenit; Sodium arsenite, solid; Sodium arsenous acid
EINECS	237-382-1

Quality Control

Our Sodium Arsenite is manufactured under strict quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed to confirm identity, purity, and conformance to established specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment. We adhere to relevant regulatory frameworks including REACH for global market compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed to prevent absorption of atmospheric moisture. Store at controlled room temperature (15-25°C). Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to grayish-white powder or lumps
Identification (IR)	Conforms
Assay (as NaAsO₂)	≥ 95.0 %
Water Insoluble Matter	≤ 0.5 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO₄)	≤ 0.5 %
Heavy Metals (as Pb)	≤ 0.01 %

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