Description

Potassium Hydrogenarsenate Dihydrate is a high-purity inorganic salt with the formula KH2AsO4·2H2O. This compound is valued for its role as a precise analytical reagent and a specialized precursor in advanced material synthesis. It is primarily utilized by research institutions, analytical laboratories, and manufacturers in the electronics and fine chemical sectors. Consistent quality and reliable supply are critical for its demanding applications.

Application

• Analytical Chemistry: Used as a primary standard or reagent in quantitative analysis and titrations.
• Research & Development: Serves as a key starting material in inorganic synthesis and materials science research.
• Electronics Industry: Potential precursor for the deposition of thin films or specialized dopants in semiconductor manufacturing.
• Chemical Synthesis: Intermediate in the preparation of other arsenate compounds and coordination complexes.
• Reference Standard: Employed in calibration and quality control procedures for analytical instrumentation.
• Preservative Studies: Used in controlled laboratory studies related to wood preservation and insecticide research.

Basic Information

Product Name	Potassium Hydrogenarsenate Dihydrate
CAS No.	308103-48-2
Molecular Formula	KH2AsO4·2H2O
Molecular Weight	218.05 g/mol
Synonyms	Potassium Dihydrogenarsenate Dihydrate; Monopotassium Arsenate Dihydrate; Arsenic Acid, Monopotassium Salt, Dihydrate; KH2AsO4.2H2O; Potassium Arsenate Monobasic Dihydrate; Potassium Acid Arsenate Dihydrate
EINECS	Contact for details

Quality Control

Our Potassium Hydrogenarsenate Dihydrate is manufactured under strict quality control protocols to ensure high purity and batch-to-batch consistency. Each lot is tested against rigorous in-house specifications, which typically include assay, identification, and impurity profile analysis. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee compliance with your technical requirements.

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); ensure the container is kept tightly sealed in a low-humidity environment to prevent absorption of water and caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (KH2AsO4·2H2O)	≥ 98.0 %
Water (Karl Fischer)	15.0 - 17.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %
Heavy Metals (as Pb)	≤ 10 ppm

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