Agent Name |
Sodium hydrogen sulfide |
Alternative Name |
Sodium bisulfide |
CAS Number |
16721-80-5 |
Formula |
H-Na-S |
Major Category |
Other Classes |
Synonyms |
Sodium bisulfide; Sodium hydrogen sulfide; Sodium hydrosulfide; Sodium sulfhydrate; Sodium sulfide; Sodium sulfide (NaHS); [ChemFinder] |
Category |
Sulfur Compounds |
Description |
White to colorless crystals with an odor of hydrogen sulfide; [NIOSH] Deliquescent; [CHEMINFO] |
Sources/Uses |
Used to dehair hides and to produce heavy water, paper, rayon, dyes, and other chemical products; [HSDB] |
Comments |
Corrosive to skin; [Quick CPC] High inhalation exposure can induce pulmonary edema; Concentration of 600 ppm is lethal in 30 minutes; 800 ppm is lethal immediately; [HSDB] Evolves hydrogen sulfide gas on contact with water; Corrosive to skin, eyes, and respiratory tract; [CAMEO] |
Reference Link |
HSDB |
Exposure Assessment |
Skin Designation (ACGIH) |
Not evaluated |
Vapor Pressure |
49 mm Hg |
Odor Threshold Low |
0.0047 ppm |
Explanatory Notes |
Odor threshold from CHRIS; |
Adverse Effects |
Toxic Pneumonitis |
Yes |
Dermatotoxin |
Skin Burns |
Other Poison |
Chemical Asphyxiant |
Links to Other NLM Databases |
Health Studies |
Human Health Effects from Hazardous Substances Data Bank: SODIUM HYDROSULFIDE
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