Description

Ammonium Dimolybdate is a high-purity inorganic molybdenum compound, essential as a versatile precursor in advanced materials and catalysis. Its controlled composition and purity make it a critical raw material for ensuring consistent performance in downstream industrial processes. This product is primarily required by manufacturers in the chemical catalyst, ceramic pigment, and specialty glass industries, where precise molybdenum sourcing is vital.

Application

• Catalyst Manufacturing: A key precursor for hydrodesulfurization (HDS) and other petrochemical catalysts.
• Ceramic & Pigment Production: Used to impart specific colors and enhance properties in glazes, frits, and ceramic bodies.
• Corrosion Inhibitors: Serves as a source of molybdate ions in formulations for protecting metals in cooling water systems and coatings.
• Specialty Glass & Ceramics: Acts as a doping agent to modify the thermal and electrical properties of advanced materials.
• Chemical Synthesis: An intermediate for producing other high-purity molybdenum compounds and complexes.
• Laboratory & Research: Used as a standard or reagent in analytical chemistry and materials science research.

Basic Information

Product Name	Ammonium Dimolybdate
CAS No.	27546-07-2
Molecular Formula	(NH4)2Mo2O7
Molecular Weight	339.95 g/mol
Synonyms	Diammonium Dimolybdate; Ammonium Heptamolybdate Tetrahydrate (common commercial form); Ammonium Molybdate; Molybdate (Mo2O72-), diammonium; Hexaammonium Molybdate; AMMONIUM MOLYBDATE, TECH.; Ammonium Polymolybdate
EINECS	Contact for details

Quality Control

Our Ammonium Dimolybdate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (as (NH4)2Mo2O7)	≥ 99.0%
Mo Content	≥ 56.0%
Chloride (Cl)	≤ 0.005%
Sulfate (SO4)	≤ 0.01%
Heavy Metals (as Pb)	≤ 10 ppm
Loss on Drying	≤ 1.0%

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