Agent Name
Sodium polysulfide
Major Category
Other Classes
Synonyms
Disodium polysulfide; Sodium sulfide(Na2(Sx)); [ChemIDplus] Natriumpolysulfid; SODIUM POLYSULPHIDES; SODIO POLISOLFURO; POLISOLFURO DI SODIO; Stabilisal S flüssig; Tetrasulfidlauge; [IUCLID] UN3266
Category
Sulfur Compounds
Description
Reddish-brown solid with an odor like hydrogen sulfide; [ECHA REACH Registrations] 25-30% Aqueous solution: Dark red viscous liquid with an odor of rotten eggs; [Columbus Chemical MSDS]
Sources/Uses
Used in chemical synthesis, in the textile processing industry, as a coloring agent, intermediate, and reducing agent; [IUCLID] Used as a monomer in polysulfide polymer production, laboratory reagent, intermediate, and processing aid in the textile industry; [ExPub: ECHA REACH Registrations]
Comments
Causes burns; Toxic by ingestion; [IUCLID] 25-30% Aqueous solution: May evolve hydrogen sulfide gas; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Moderately toxic by ingestion; [Columbus Chemical MSDS] See "Sodium sulfide" and "Sodium hydrogen sulfide." See "Hydrogen sulfide."
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Corrosive liquid, basic, inorganic, n.o.s."
Processes
Industrial Processes with risk of exposure: