Description

Ammonium Sulfide ((NH4)2(Sx)) is a versatile inorganic sulfur compound, primarily supplied as an aqueous solution. Its core value proposition lies in its ability to act as a potent source of sulfide ions and ammonium ions in controlled chemical synthesis and analytical procedures. This makes it an essential reagent for industries requiring precise precipitation or complexation reactions. Key sectors that rely on this compound include electronics manufacturing, chemical research, and specialized material processing.

Application

• As a key sulfiding agent in the synthesis of metal sulfide nanoparticles and thin films for electronics and photovoltaics.
• In analytical chemistry as a precipitating reagent for qualitative inorganic analysis, particularly for metal ion separation.
• For the controlled deposition of sulfide coatings on various substrates in material science research.
• As a reducing agent or sulfur source in specific organic and inorganic synthesis pathways.
• In laboratory settings for etching and surface treatment processes of certain metal alloys.
• For the preparation of other sulfur-containing compounds and catalysts in chemical production.

Basic Information

Product Name	Ammonium Sulfide ((NH4)2(Sx))
CAS No.	9080-17-5
Molecular Formula	(NH4)2Sx
Molecular Weight	Variable (based on 'x')
Synonyms	Ammonium Polysulfide; Diammonium Sulfide; Ammonium Sulfide Solution; Ammonium Hydrosulfide (related); Sulfurated Ammonia; Ammonium Bisulfide (related); (NH4)2S
EINECS	Contact for details

Quality Control

Our Ammonium Sulfide is manufactured under strict process controls to ensure batch-to-batch consistency and reliability. The product undergoes rigorous quality testing, including assay, impurity profiling, and stability checks, to meet exacting industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, concentration, and specific test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizers. Due to its properties of being easily oxidized and highly volatile, it is recommended to keep containers tightly sealed and under an inert atmosphere for long-term stability. Optimal storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	Yellow to red liquid
Identification (IR)	Conforms
Assay (as (NH4)2S)	40-44% w/w (or as specified)
Sulfide Content	Contact for details
Ammonia Content	Contact for details
Heavy Metals (as Pb)	< 10 ppm
Insoluble Matter	< 0.01%

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