Sodium Sulfhydrate
Sodium Hydrogen Sulfide
- CAS
- 16721-80-5
- EC
- 240-778-0
- Sectors
- Textiles, Leather & Paper, Mining & Metals, Water & Wastewater Treatment
Sodium sulfhydrate, also known as sodium hydrosulfide, is a colorless to yellow flake or liquid with formula NaHS and molecular weight 56.06 g/mol. Density 1.79 g/cm³, melting point 350°C (decomposes); soluble in water releasing H2S, pungent odor. Produced by reacting sodium sulfide with hydrogen sulfide.
SoleChem, an ISO 9001:2015 certified chemical supplier based in Türkiye, delivers Sodium Sulfhydrate (CAS 16721-80-5) to customers in more than 40 countries.
Sodium Sulfhydrate
Applications
Used in leather tanning for dehairing, dyes manufacturing, pulp processing, mining for ore flotation, and wastewater treatment.
Safety & Risks
Corrosive, toxic if swallowed or inhaled; releases H2S gas with acids. Flammable; Hazard Class 8/4.2; use PPE, ventilation.
Packaging
In 25kg iron drums or bags with liners; rinse triply for recycling or puncture for disposal.