Description

Tetraterbium Heptaoxide is a high-purity inorganic compound of terbium and oxygen, primarily utilized in advanced material science and electronics. This compound is valued for its specific optical and magnetic properties, which are critical for developing next-generation functional materials. It serves as a key precursor and dopant material for researchers and manufacturers in the phosphor, ceramic, and specialty glass industries, where precise control over material characteristics is paramount.

Application

• Phosphor Manufacturing: Acts as a critical dopant in the production of green-emitting phosphors for display technologies, including LEDs and plasma display panels (PDPs).
• Specialty Glass & Ceramics: Used to modify the refractive index, thermal stability, and optical properties of advanced glass and ceramic composites.
• Solid-State Electronics: Serves as a precursor material in the fabrication of thin films for sensors, memory devices, and other electronic components.
• Catalysis Research: Employed as a catalyst or catalyst support in specialized chemical synthesis and oxidation reactions.
• Luminescent Materials: A key component in the synthesis of materials for anti-counterfeiting inks, security markings, and optical storage media.
• Magnetic Materials: Utilized in research and development of novel magnetic compounds and alloys.

Basic Information

Product Name	Tetraterbium Heptaoxide
CAS No.	12037-01-3
Molecular Formula	Tb4O7
Molecular Weight	747.70 g/mol
Synonyms	Terbium(III,IV) oxide; Terbium oxide (Tb4O7); Tetra-terbium heptaoxide; Terbia; Terbium sesquioxide; Terbium tetroxide; Diterbium trioxide-terbium oxide (1:1); Terbium oxide
EINECS	234-856-3

Quality Control

Our Tetraterbium Heptaoxide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes comprehensive analysis, including assay by titration and impurity profiling via ICP-OES, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and trace metal content is provided with every shipment to support your quality assurance protocols.

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 should be kept under dry conditions to prevent caking or degradation.

Specification

Item	Specification
Appearance	Dark brown powder
Identification (IR)	Conforms
Assay (as Tb4O7)	≥ 99.9%
Rare Earth Purity	≥ 99.99% (REO basis)
Loss on Ignition (LOI)	≤ 1.0%
Particle Size (D50)	1-5 µm (customizable)
Trace Metals (ICP-OES)	As per customer grade requirement

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