Description

Hydrogen Sulfide CAS NO 7783-06-4 is a colorless, flammable, and highly toxic gas with a characteristic odor of rotten eggs. It is a critical industrial chemical and process intermediate with significant value in analytical chemistry, metallurgy, and the synthesis of sulfur-containing compounds. This product is essential for industries including chemical manufacturing, metal processing, and laboratory research, where precise quality and reliable supply are paramount.

Application

• Chemical Synthesis: A key reagent for producing inorganic sulfides, thioorganic compounds, and elemental sulfur.
• Analytical Chemistry: Used as a precipitating agent in qualitative inorganic analysis for metal ion identification.
• Metallurgy: Employed in processes for ore flotation and in the production of heavy metal sulfides.
• Laboratory Research: Serves as a standard gas for calibration, sensor testing, and environmental studies.
• Petrochemical Industry: Used in catalyst regeneration and as a process stream component in refineries.
• Wastewater Treatment: Applied in controlled amounts for precipitating heavy metals from industrial effluent.

Basic Information

Product Name	Hydrogen Sulfide
CAS No.	7783-06-4
Molecular Formula	H₂S
Molecular Weight	34.08 g/mol
Synonyms	Hydrosulfuric Acid; Sulfuretted Hydrogen; Dihydrogen Monosulfide; Dihydrogen Sulfide; Sewer Gas; Stink Damp; Sulfane; Sulfur Hydride; Hepatic Gas
EINECS	231-977-3

Quality Control

Our Hydrogen Sulfide is produced and handled under stringent quality protocols to ensure consistency and safety. We provide comprehensive Certificates of Analysis (COA) detailing purity, composition, and impurity profiles. Quality is verified through advanced analytical techniques, ensuring the product meets the exacting requirements for industrial and research applications.

Storage

Preserve in a tightly closed, approved pressure cylinder or container in a cool, well-ventilated area, protected from light. Store away from heat, sparks, open flames, and incompatible materials such as strong oxidizers and certain metals. Cylinders should be secured upright. Due to its highly volatile and toxic nature, storage areas must have appropriate gas detection and safety systems.

Specification

Item	Specification
Appearance	Colorless Gas
Odor	Characteristic of Rotten Eggs
Assay (H₂S)	≥ 99.5%
Water Content	≤ 50 ppm
Hydrocarbon Content (as CH₄)	≤ 100 ppm
Oxygen Content	≤ 10 ppm
Nitrogen Content	≤ 100 ppm
Carbon Dioxide Content	≤ 50 ppm

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