Product Description
Sodium Hydrosulphide (NaHS), also known as Sodium Hydrogen Sulphide, is a yellowish to white crystalline solid with a strong odor of hydrogen sulfide. It is highly soluble in water and widely recognized as a versatile reagent in chemical, industrial, and laboratory applications.
In research and analytical chemistry, Sodium Hydrosulphide is used as a sulfur source, reducing agent, and reagent for sulfide-related studies. Industrially, it is extensively applied in leather processing, pulp & paper, mining, and textile industries. Its strong reactivity and solubility make it a valuable compound for diverse applications.

Key Features
- Chemical Name: Sodium Hydrosulphide / Sodium Hydrogen Sulphide
• Chemical Formula: NaHS
• CAS Number: 16721-80-5
• Molecular Weight: 56.06 g/mol
• Appearance: Yellowish-white crystalline solid or flakes
• Purity: ≥70% (Analytical / Industrial Grade)
• Solubility: Freely soluble in water, alcohol, and glycerol
• Function: Sulfur source, reducing and flotation agent
• Stability: Decomposes when exposed to air and moisture; releases H₂S gas
Applications
Laboratory & Research
• Used as a reagent in analytical chemistry for sulfide precipitation.
• Applied as a reducing agent in various redox studies.
• Useful as a sulfur donor in chemical syntheses.
• Employed in laboratory-scale studies of sulfide chemistry.
Industrial Uses
• Extensively used in the leather industry for dehairing and processing hides.
• Applied in the pulp and paper industry for pulping and bleaching processes.
• Utilized in the mining industry as a flotation agent for copper ores.
• Employed in textile industries as a reducing and dyeing assistant.
• Used in wastewater treatment for heavy metal removal.
Safety & Handling
- Hazard: Releases toxic and corrosive hydrogen sulfide gas; harmful if inhaled, ingested, or in contact with skin.
• Precautions: Use gloves, goggles, protective clothing, and proper ventilation. Avoid inhalation of vapors.
• Storage: Store in tightly sealed containers in a cool, dry, and well-ventilated place, away from acids and moisture.
• Disposal: Dispose of according to local laboratory and environmental safety guidelines.
Price in Bangladesh
Available in 500 g, 1 kg, and 5 kg packs at competitive prices.
Bulk discounts available for tanneries, mining companies, and research institutions.
Why Choose Sodium Hydrosulphide from M/S Bright Scientific Co.?
- High-quality Analytical Reagent (AR) and Industrial Grade available.
• Tested and Verified for consistency and reactivity.
• Trusted by industries including leather, paper, mining, and textiles.
• Safe Packaging to minimize odor and prevent decomposition.
• Affordable Pricing with flexible bulk supply options.
• Nationwide Delivery across Bangladesh – safe, fast, and reliable.
Contact Information
M/S Bright Scientific Co.
📞 Phone: 01711285976






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