Description

Sodium Sulfide Nonahydrate is a versatile inorganic salt widely used as a key reducing agent and sulfur source in industrial processes. Its commercial importance stems from its ability to facilitate critical chemical transformations, particularly in the production of specialty chemicals and the treatment of raw materials. This compound is essential for manufacturers in sectors such as leather processing, textile dyeing, and metallurgy, where controlled sulfur chemistry is required.

Application

• Leather Processing: As a primary depilatory agent for removing hair from hides in the tanning industry.
• Textile Industry: As a reducing agent in sulfur dyeing processes for cotton and other cellulose fibers.
• Chemical Manufacturing: As a precursor and sulfur source in the synthesis of various sulfur-containing compounds.
• Pulp & Paper: Used in certain pulping processes, particularly in the Kraft process, as a makeup chemical for sodium sulfide.
• Metallurgy: Employed in ore flotation and as a reducing agent in the processing of certain metal ores.
• Water Treatment: Used in some specialized applications for heavy metal precipitation.

Basic Information

Product Name	Sodium Sulfide Nonahydrate
CAS No.	1313-84-4
Molecular Formula	Na2S·9H2O
Molecular Weight	240.18 g/mol
Synonyms	Sodium Sulfide Hydrate; Sodium Sulfide Enneahydrate; Disodium Sulfide Nonahydrate; Sodium Monosulfide Nonahydrate; Sulfurated Sodium Hydrate; Sodium Sulphide Nonahydrate; Na2S.9H2O
EINECS	Contact for details

Quality Control

Our Sodium Sulfide Nonahydrate is produced under strict quality management protocols to ensure batch-to-batch consistency and reliability. The product undergoes rigorous analytical testing, including assay and impurity profile analysis, to meet standard industrial specifications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with each shipment to guarantee product integrity for your process.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and easily oxidized; containers must be kept tightly sealed to minimize exposure to air and moisture. Store away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to yellow crystalline solid or flakes
Identification (IR)	Conforms
Assay (Na2S·9H2O)	≥ 98.0 %
Water Insoluble Matter	≤ 0.1 %
Iron (Fe)	≤ 0.005 %
Sodium Carbonate (Na2CO3)	≤ 1.0 %
Sodium Thiosulfate (Na2S2O3)	≤ 1.0 %

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