Description

Tetraarsenic Tetrasulfide is an inorganic compound of arsenic and sulfur, recognized by the CAS registry number 12279-90-2. This specialized chemical is valued for its unique properties in research and industrial synthesis, serving as a precursor for other arsenic-containing compounds. It is primarily utilized by researchers and manufacturers in the fields of materials science, semiconductor research, and specialty chemical synthesis.

Application

• Semiconductor Research: Investigated as a potential precursor or dopant source in the development of novel semiconductor materials.
• Specialty Glass Manufacturing: Used in research for modifying the optical or infrared transmission properties of specialty glasses.
• Chemical Synthesis: Serves as a key starting material or intermediate in the synthesis of other organoarsenic or inorganic arsenic compounds.
• Analytical Chemistry: Employed as a standard or reference material in analytical methods for arsenic speciation and detection.
• Materials Science Research: Studied for its potential in creating chalcogenide glasses or other advanced materials with specific electronic properties.
• Pyrotechnic Compositions: Historically used in some pyrotechnic formulations to produce specific effects.

Basic Information

Product Name	Tetraarsenic Tetrasulfide
CAS No.	12279-90-2
Molecular Formula	As4S4
Molecular Weight	427.95 g/mol
Synonyms	Arsenic Sulfide (As4S4); Diarsenic Disulfide; Realgar (mineralogical name); Ruby Arsenic; Red Arsenic Sulfide; Arsenic(II) Sulfide; Arsenic Disulfide; Tetraarsenic Tetrasulphide
EINECS	235-540-4

Quality Control

Our Tetraarsenic Tetrasulfide is produced and handled under strict quality protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analysis, including assay and impurity profiling. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to guarantee compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Keep container tightly sealed when not in use to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Red to orange-red powder or crystals
Identification (IR)	Conforms
Assay (As4S4)	≥ 98.0 %
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 50 ppm
Arsenic (As) Content	Contact for details
Sulfur (S) Content	Contact for details

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