Description

Sodium Phosphomolybdate is an inorganic coordination compound of molybdenum, phosphorus, and sodium. This versatile chemical serves as a powerful analytical reagent and catalyst, valued for its unique redox and acidic properties. It is essential for industries requiring precise chemical analysis, catalytic processes, and specialized material synthesis. Key users include analytical laboratories, chemical manufacturers, and research institutions.

Application

• Analytical Chemistry: Used as a specific reagent for the detection and quantitative determination of phosphate, silicate, and arsenate ions.
• Catalysis: Acts as an efficient heterogeneous or homogeneous catalyst in oxidation reactions, organic synthesis, and petrochemical refining.
• Corrosion Inhibition: Employed as a component in formulations for protecting metal surfaces, particularly in cooling water systems.
• Pigment & Dye Intermediate: Serves as a precursor or mordant in the production of certain pigments and dyes.
• Electroplating & Surface Treatment: Used in specialized electroplating baths to deposit molybdenum-containing alloy coatings.
• Research & Development: Utilized in academic and industrial R&D for studying polyoxometalate chemistry and developing new materials.

Basic Information

Product Name	Sodium Phosphomolybdate
CAS No.	1313-30-0
Molecular Formula	Na3PMo12O40 (common hydrate forms exist)
Molecular Weight	Contact for details
Synonyms	Phosphomolybdic Acid Sodium Salt; Sodium Molybdophosphate; Sodium 12-Molybdophosphate; Molybdophosphoric Acid Sodium Salt; Sodium Phosphomolybdate Hydrate; PMA Sodium Salt; Keggin-type Polyoxomolybdate Sodium Salt
EINECS	215-203-3

Quality Control

Our Sodium Phosphomolybdate is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and performance. Key parameters such as assay (Mo and P content), impurity profiles, and physical characteristics are verified. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee traceability and compliance with your specifications.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking or decomposition. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to yellow-green crystalline powder
Identification (IR)	Conforms
Assay (as Mo)	≥ 55.0 %
Assay (as P)	≥ 1.5 %
Solubility (in Water)	Clear, yellow solution
Loss on Drying	≤ 15.0 %
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.