Description

Ammonium Oxalate Monohydrate is a high-purity, crystalline salt of oxalic acid, widely recognized for its role as a key analytical reagent and precipitating agent. Its consistent quality and reliable performance make it essential for processes requiring precise metal ion complexation and calibration standards. This product is primarily utilized by analytical laboratories, chemical manufacturers, and research institutions in sectors such as pharmaceuticals, metallurgy, and materials science.

Application

• Analytical Chemistry: Used as a primary standard for calibrating potassium permanganate solutions in redox titrations.
• Metallurgy & Metal Treatment: Acts as a precipitating agent for rare earth elements and a component in metal polishing and cleaning formulations.
• Pharmaceutical Intermediates: Serves as a reagent in the synthesis of specific organic compounds and active pharmaceutical ingredients (APIs).
• Laboratory Research: Employed in buffer solutions and as a source of oxalate ions for various chemical and biochemical studies.
• Textile & Leather Processing: Functions as a mordant in dyeing processes and in the tanning of leather.
• Precursor for Materials: Used in the preparation of other oxalate salts and in certain ceramic and catalyst manufacturing processes.

Basic Information

Product Name	Ammonium Oxalate Monohydrate
CAS No.	5972-73-6
Molecular Formula	(NH₄)₂C₂O₄·H₂O
Molecular Weight	142.11 g/mol
Synonyms	Diammonium Oxalate Monohydrate; Oxalic Acid, Diammonium Salt, Monohydrate; Ammonium Ethanedioate Monohydrate; Ethanedioic Acid, Diammonium Salt, Monohydrate; (NH4)2C2O4.H2O; Ammonium Oxalate Hydrate
EINECS	227-880-8 (for the anhydrous form)

Quality Control

Our Ammonium Oxalate Monohydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for laboratory and industrial applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 99.0%
pH (5% solution)	6.0 - 7.5
Chloride (Cl)	≤ 0.005%
Sulfate (SO₄)	≤ 0.01%
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 10 ppm
Loss on Drying	11.0 - 13.0%

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