Description

Sodium Sulphide Hydrate 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 and precipitate heavy metals. This compound is essential for manufacturers in sectors such as leather processing, textile dyeing, and metallurgy. We supply high-purity Sodium Sulphide Hydrate CAS NO 27610-45-3 to meet the stringent demands of global industrial applications.

Application

• Leather Tanning & Dehairing: A primary agent for removing hair and splitting hides in the leather industry.
• Textile Industry: Used as a reducing agent in sulfur dyeing processes for cotton and other cellulose fibers.
• Pulp & Paper Manufacturing: Employed in the kraft process for digesting wood pulp.
• Mining & Metallurgy: Acts as a flotation agent in the concentration of ores and in the processing of certain metals.
• Water Treatment: Utilized for the precipitation and removal of heavy metal ions from industrial wastewater.
• Chemical Synthesis: Serves as a sulfurizing agent and reducing intermediate in the production of various organic and inorganic chemicals.
• Dye Manufacturing: A key raw material in the synthesis of sulfur-based dyes and pigments.

Basic Information

Product Name	Sodium Sulphide Hydrate
CAS No.	27610-45-3
Molecular Formula	Na2S·xH2O
Molecular Weight	Contact for details (varies with hydration)
Synonyms	Sodium Sulfide Hydrate; Sodium Monosulfide Hydrate; Disodium Sulfide Hydrate; Sodium Sulfide Flakes; Sulfurated Sodium; Sodium Sulphide Nonahydrate; Sodium Sulfide, Hydrated; Na2S Hydrate
EINECS	Contact for details

Quality Control

Our Sodium Sulphide Hydrate is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes rigorous analytical testing, including assay and impurity profiling, to meet defined industrial specifications. A Certificate of Analysis (COA) is provided with each shipment, detailing key parameters such as active sulfide content and moisture levels.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from incompatible materials. This product is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to store under an inert atmosphere or in sealed, moisture-proof packaging to maintain stability and shelf life. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Yellow or red flakes / lumps
Identification (IR)	Conforms
Assay (as Na2S)	≥ 60.0%
Iron (Fe)	≤ 0.003%
Water Insolubles	≤ 0.05%
Sodium Carbonate (Na2CO3)	≤ 2.0%
Sodium Thiosulfate (Na2S2O3)	≤ 1.0%

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