Description

Ammonium Phosphomolybdate is an inorganic salt complex primarily composed of molybdenum, phosphorus, and ammonium ions. This compound serves as a crucial reagent and catalyst in various analytical and industrial chemical processes due to its unique oxidizing and complexing properties. It is essential for laboratories and manufacturers in sectors including chemical synthesis, material science, and environmental testing who require a reliable source of high-purity molybdenum-based reagents.

Application

• Analytical Chemistry Reagent: Widely used as a sensitive and selective reagent for the spectrophotometric determination and detection of phosphate, silicate, and arsenic ions in environmental and industrial samples.
• Catalyst in Organic Synthesis: Acts as an efficient catalyst or catalyst precursor in oxidation reactions, including the epoxidation of alkenes and the selective oxidation of various organic substrates.
• Precursor for Molybdenum Compounds: Serves as a starting material for the synthesis of other molybdenum-containing chemicals, complexes, and advanced materials like metal-organic frameworks (MOFs).
• Corrosion Inhibition: Employed in formulations for corrosion-resistant coatings and paints, particularly for ferrous metals, leveraging its passivating properties.
• Photocatalytic Applications: Investigated for use in photocatalytic systems for degradation of organic pollutants or water splitting due to its semiconductor-like properties.
• Precipitating Agent: Used to quantitatively precipitate certain cations (e.g., potassium, cesium, rubidium) from solution for gravimetric analysis or purification.

Basic Information

Product Name	Ammonium Phosphomolybdate
CAS No.	12026-66-3
Molecular Formula	(NH4)3PMo12O40·xH2O
Molecular Weight	Approx. 1876.35 (Anhydrous basis)
Synonyms	Ammonium Molybdophosphate; Molybdophosphoric Acid Ammonium Salt; Phosphomolybdic Acid Ammonium Salt; Ammonium 12-Molybdophosphate; AMP; Ammonium Phospho-12-molybdate; Ammonium Polymolybdate Phosphate
EINECS	234-722-4

Quality Control

Our Ammonium Phosphomolybdate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, composition, and performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with relevant standards. We support customer-specific quality requirements and audits.

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 nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which can affect the product's performance and stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline powder
Identification (IR)	Conforms to standard
Assay (as MoO3)	≥ 85.0 %
Solubility (in Water)	Partially soluble, forms a yellow solution
Loss on Drying	≤ 5.0 %
Heavy Metals (as Pb)	≤ 20 ppm
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.