Sodium sulfide

Synonyms

Disodium monosulfide; Disodium sulfide; Sodium monosulfide; Sodium sulfuret; Sodium sulphide; UN1385; UN1849; [ChemIDplus]

Category

Sulfur Compounds

Description

White to yellow crystals; Llight tan, yellow, or brick-red lumps or flakes; Deliquescent; [CHEMINFO] Crystals with odor of rotten eggs; [MSDSonline]

Sources/Uses

Used to make pulp and paper, to dehair hides, to treat ores (flotation agent), to precipitate metals from wastewater and sludge, to remove nitrogen oxides from gas streams, to polymerize styrene-butadiene, and to manufacture other chemical products; Used in engraving, lithography, cotton printing, and photography; [CHEMINFO]

Comments

Hydrogen sulfide released slowly when exposed to moist air and rapidly when exposed to acids; Sulfur oxides and hydrogen sulfide may be generated during a fire; Corrosive to the eyes and skin; [CHEMINFO] Corrosive; Inhalation of high concentration can cause chemical pneumonitis; [MSDSonline] See "Hydrogen sulfide."

Biomedical References

4.59E-17 mm Hg

Explanatory Notes

The Guide is to the Emergency Response Guidebook for sodium sulfide, anhydrous.

must be preheated

Yes

Skin burns

Other Poison

Chemical Asphyxiant

Processes

Industrial Processes with risk of exposure:

• Leather Tanning and Processing
• Metal Extraction and Refining
• Photographic Processing
• Pulp and Paper Processing
• Textiles (Printing, Dyeing, or Finishing)

Activities

Activities with risk of exposure:

• Lithography printing