Barium sulphide is the inorganic compound with the formula BaS. BaS is an important precursor to other barium compounds including BaCO3 and the pigment lithopone, ZnS/BaSO4
Sodium hydrosulfide is the chemical compound with the formula NaHS. This compound is the product of the half neutralization of hydrogen sulfide with sodium hydroxide.
Barium peroxide is the inorganic compound with the formula BaO2. This white solid (gray when impure) is one of the most common inorganic peroxides, and it was the first peroxide compound discovered.
Sodium Sulphide is a co-product in the manufacture of Barium Carbonate. The solution of Sodium Sulphide obtained from the process is concentrated to 6-18% and is available at different percentages in tanker loads.