Description

Ammoniumparatungstatehexahydrate CAS NO 12208-54-7 is a high-purity inorganic salt of tungsten, serving as a critical precursor material in advanced manufacturing. Its primary value lies in its role as an intermediate for producing high-performance tungsten compounds and metallic tungsten powders. This product is essential for industries involved in catalysis, metallurgy, and the fabrication of specialized alloys and ceramics, where precise material properties are paramount.

Application

• Primary precursor for the production of high-purity tungsten oxide (WO3) and metallic tungsten powder via thermal decomposition.
• Key starting material in the synthesis of tungsten-based catalysts used in petrochemical and environmental applications.
• Manufacture of tungsten carbide (WC) powders for cutting tools, mining equipment, and wear-resistant parts.
• Production of specialty alloys and superalloys requiring controlled tungsten content.
• Raw material for phosphors and other functional materials in the electronics industry.
• Used in research and development for novel tungsten chemistry and material science.

Basic Information

Product Name	Ammoniumparatungstatehexahydrate
CAS No.	12208-54-7
Molecular Formula	(NH4)10H2W12O42 • 6H2O or 5(NH4)2O • 12WO3 • 6H2O
Molecular Weight	Contact for details
Synonyms	Ammonium Paratungstate Hexahydrate; APT Hexahydrate; Ammonium Tungstate(VI) Hexahydrate; Ammonium Metatungstate Precursor; Paratungstate B Ammonium Salt; (OC-6-11)-Dodecatungstate(10-) Decaammonium Hexahydrate; Tungsten, Ammonium Complex
EINECS	Contact for details

Quality Control

Our Ammoniumparatungstatehexahydrate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high chemical purity. Production adheres to relevant industrial and chemical standards. Comprehensive testing is performed, and a Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee specification compliance.

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (as WO3)	≥ 88.5 %
Moisture (Loss on Drying)	≤ 1.5 %
Insoluble Matter	≤ 0.01 %
Chloride (Cl)	≤ 0.001 %
Sulfate (SO4)	≤ 0.002 %
Heavy Metals (as Pb)	≤ 0.001 %

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