Description

Ammonium Dihydrogen Arsenate is an inorganic salt of arsenic acid, widely recognized for its role in specialized chemical synthesis and analytical applications. Its precise composition and high purity make it a critical reagent for industries requiring controlled arsenic sources. This compound is essential for researchers and manufacturers in sectors such as electronics, metallurgy, and analytical chemistry, where it serves as a precursor or standard.

Application

• Precursor for the synthesis of other inorganic arsenate compounds and complex salts.
• Analytical reagent and standard in chemical analysis and quality control laboratories.
• Component in specialized metallurgical processes and surface treatments.
• Research chemical in the development of semiconductors and electronic materials.
• Used in controlled studies within life sciences and environmental testing.
• Intermediate in the manufacture of certain wood preservatives and pesticides (subject to strict regulatory compliance).

Basic Information

Product Name	Ammonium Dihydrogen Arsenate
CAS No.	13462-93-6
Molecular Formula	NH4H2AsO4
Molecular Weight	158.97 g/mol
Synonyms	Ammonium Arsenate Monobasic; Monoammonium Arsenate; Ammonium Acid Arsenate; Ammonium Dihydrogenorthoarsenate; Ammonium Hydrogen Arsenate; Arsenic Acid, Monoammonium Salt; NH4H2AsO4
EINECS	236-675-8

Quality Control

Our Ammonium Dihydrogen Arsenate is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every lot, detailing key parameters such as assay, impurity profiles, and physical characteristics. Our quality systems are designed to meet the exacting standards of industrial and research applications, ensuring reliable performance.

Storage

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

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (NH4H2AsO4)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %
Heavy Metals (as Pb)	≤ 0.002 %

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