Description

Ammonium Tetrathiomolybdate is an inorganic thiometallate salt, a key source of molybdenum and sulfur in specialized chemical synthesis and industrial processes. This compound is valued for its role as a versatile precursor and catalyst in advanced materials science and chemical research. It is essential for manufacturers and R&D facilities in sectors such as petrochemical catalysts, lubricant additives, and the synthesis of novel inorganic complexes.

Application

• Catalyst Precursor: Serves as a critical starting material for the synthesis of hydrodesulfurization (HDS) and hydrodenitrogenation (HDN) catalysts used in petroleum refining.
• Lubricant Additive: Used in the formulation of high-performance lubricants and grease, where it acts as an extreme pressure and anti-wear agent.
• Chemical Synthesis: Functions as a reagent for introducing molybdenum-sulfur clusters and frameworks in inorganic and organometallic chemistry.
• Analytical Chemistry: Employed as a standard or reagent in spectroscopic analysis and trace metal determination.
• Material Science: Utilized in the deposition of molybdenum disulfide (MoS₂) thin films for semiconductor and electronics applications.
• Agricultural Research: Investigated for its potential role in soil chemistry and as a source of molybdenum in nutrient studies.

Basic Information

Product Name	Ammonium Tetrathiomolybdate
CAS No.	15060-55-6
Molecular Formula	(NH₄)₂MoS₄
Molecular Weight	260.27 g/mol
Synonyms	Ammonium Thiomolybdate; Diammonium Tetrathiomolybdate; Ammonium Molybdate(VI) Sulfide; ATTM; (T-4)-Tetrathioxomolybdate(2-) Diammonium; Molybdate(2-), tetrathio-, diammonium, (T-4)-
EINECS	239-130-1

Quality Control

Our Ammonium Tetrathiomolybdate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to current Good Manufacturing Practices (cGMP) and is supported by a comprehensive quality management system. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to prevent decomposition.

Specification

Item	Specification
Appearance	Red to dark red crystalline powder
Identification (IR)	Conforms
Assay (as (NH₄)₂MoS₄)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Insoluble Matter	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

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