Enhanced TDS
Identification & Functionality
- Chemical Family
- Chemical Name
- Base Chemicals Functions
- Industrial Additives Functions
- Molecular formula
- NaSH/NaHS
- Technologies
- Product Families
Features & Benefits
- Labeling Claims
Applications & Uses
- Markets
- Applications
- Applicable Processes
- Compatible Substrates & Surfaces
- Industrial Additives End Use
- Product Applications
- Sodium hydrosulfide is used as a reactive form of sulfur and acts as an intermediate in the production of other chemicals, including thio-chemicals used in textile processing, in the production of flame retardant resins, and in vulcanization accelerators.
- Sodium hydrosulfide is also used as a processing aid in the production of a variety of industrial products.
- It is a de-hairing agent in the production of fine leathers. In mining, it is a flotation agent, helpful in the precipitation of metals from ore slurries.
- Sodium hydrosulfide is also valuable as a raw material in the production of heat-resistant plastics for the auto and electronic industries.
- In paper making, Sodium hydrosulfide is used to add sulfidity to cooking liquor in kraft pulp mills.
Properties
- Physical Form
- Soluble In
- Appearance
- Colorless to light yellow liquid
- Soluble in
- Alcohol and water
- SDS Physical and Chemical Properties
Value Units Test Method / Conditions Freezing Point -13 - 41 °C - Relative Density (at 20°C, liquid) 1.185 - 1.32 - - pH 11.3 - 11.7 - - Boiling Point 110 - 120 °C - Vapor Pressure (at 20°C) 15 - 20 hPa - Dynamic Viscosity 3 - 10 mPa s - Miscible in Water - - Corrosive to Metals Corrosive to metals - - Appearance Liquid - - Log Pow Partition Coefficient -3.5 - - Odor Rotten-egg like - - Soluble in Alcohol - - Flammability The product is not flammable - - Color Yellow, green, black - - - Characteristics
Value Units Test Method / Conditions Density (at 80°C) 11.1 - 11.2 lbs/gal - Freezing Point 40 - 41 °C - Iron Content max. 6 ppm - Sodium Carbonate max. 0.6 % - Sodium Disulfide max. 0.05 % - Sodium Thiosulfate Content max. 0.3 % - Specific Gravity (at 80°C/15.6°C) 1.329 - 1.340 - - - Specifications
Value Units Test Method / Conditions Molecular Weight 56.06 - - Sodium Hydrosulfide Content 58.0 - 60.0 % - Sodium Sulfide max. 1.5 % -
Regulatory & Compliance
Safety & Health
- Safety Information
- Sodium Hydrosulfide 60% is classified as a hazardous substance.
- Although hydrogen sulfide (H2S) forms a stable bond with caustic in the NaSH solution, toxic vapor concentrations of H2S above the liquid are possible and typical for high quality NaSH solutions.
- For this reason NaSH should always be handled in closed systems under inert gas while vapors should be treated before venting into the air.
- Tank containers should not be opened at any time unless the tank is properly decontaminated. See our safety data sheet (SDS) for further information.
Packaging & Availability
Storage & Handling
- Storage Information
Store under nitrogen atmosphere in closed storage tanks.