Description

Tellurium (IV) Iodide is a high-purity inorganic compound with the chemical formula TeI4. This material is valued for its role as a specialized precursor in advanced material synthesis and semiconductor research. It is primarily utilized by R&D laboratories and industrial manufacturers in the electronics, optoelectronics, and chemical vapor deposition (CVD) sectors. Its controlled stoichiometry and purity are critical for ensuring consistent performance in downstream applications.

Application

• Semiconductor Precursor: Used in the chemical vapor deposition (CVD) or atomic layer deposition (ALD) of tellurium-containing thin films for advanced electronic devices.
• Optical Material Research: Serves as a starting material for synthesizing novel chalcogenide glasses and crystals with specific infrared transmission properties.
• Catalysis Development: Investigated as a catalyst or catalyst component in specialized organic synthesis and polymerization reactions.
• Chemical Synthesis: Acts as a versatile reagent for introducing tellurium into organic and inorganic molecules in research settings.
• Dopant Source: Employed in the doping of specific semiconductor materials to modify their electrical characteristics.
• Analytical Chemistry: Used as a standard or reagent in specific spectroscopic and analytical techniques.

Basic Information

Product Name	Tellurium (IV) Iodide
CAS No.	7790-48-9
Molecular Formula	TeI4
Molecular Weight	635.22 g/mol
Synonyms	Tetraiodotellurium; Tellurium tetraiodide; Tellurous iodide; Tellurium iodide (TeI4); Iodotellurium(IV); Tellurium(4+) tetraiodide
EINECS	232-206-1

Quality Control

Our Tellurium (IV) Iodide is manufactured under controlled conditions to ensure high chemical purity and batch-to-batch consistency. Quality is verified through a suite of analytical techniques including X-ray diffraction (XRD), inductively coupled plasma (ICP) analysis, and titration methods. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment. We adhere to stringent internal quality standards to meet the demands of research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and opened under a dry, inert atmosphere when necessary to minimize degradation.

Specification

Item	Specification
Appearance	Dark gray to black crystalline powder
Identification (XRD)	Conforms to structure
Assay (TeI4)	≥ 99.0%
Purity (ICP)	≥ 99.9% (Metals basis)
Insoluble Matter	≤ 0.1%

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