Description

Ammonium Orthoarsenate Trihydrate is a high-purity inorganic salt of arsenic, supplied as a crystalline solid. This compound is a critical reagent and precursor in specialized industrial and research applications where precise arsenic content is required. It is essential for manufacturers and research laboratories in sectors such as electronics, metallurgy, and analytical chemistry.

Application

• Electronics Manufacturing: Used as a dopant source or precursor in the production of semiconductor materials and specialty glasses.
• Metallurgy: Acts as an alloying agent or corrosion inhibitor in specific metal treatment processes.
• Analytical Chemistry: Serves as a primary standard or reference material for calibrating equipment and verifying analytical methods for arsenic detection.
• Chemical Synthesis: A key starting material for the synthesis of other arsenate compounds and complex inorganic salts.
• Wood Preservation Research: Utilized in laboratory-scale studies for developing and testing new preservative formulations.
• Pyrotechnics & Specialty Ceramics: Employed in the formulation of specific pyrotechnic compositions and ceramic glazes.

Basic Information

Product Name	Ammonium Orthoarsenate Trihydrate
CAS No.	13477-86-6
Molecular Formula	(NH4)3AsO4·3H2O
Molecular Weight	247.08 g/mol
Synonyms	Triammonium Arsenate Trihydrate; Ammonium Arsenate Trihydrate; Arsenic Acid, Triammonium Salt, Trihydrate; Triammonium Orthoarsenate Trihydrate; (NH4)3AsO4·3H2O
EINECS	Contact for details

Quality Control

Our Ammonium Orthoarsenate Trihydrate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to verify compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking or decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (as (NH4)3AsO4·3H2O)	≥ 98.0 %
Water Content (Karl Fischer)	19.0 - 22.0 %
Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %

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