DITHIONOUS ACID, ZINC SALT (1:1); ZINCATE(4-), TETRAKIS(MONOTHIOSULFATO(2-))DI-; ZINC DITHIONITE; [HSDB]
White powder; [CAMEO]
Used to bleach wood pulp, textiles, and other natural materials; [CAMEO]
Reacts with water to form hydrogen sulfide and sulfur dioxide; [ERG 2016] An irritant to the skin, eyes, and respiratory tract; Reacts with water to form sulfur dioxide; [CAMEO] See "Zinc."
0.1 mg/m3 (respirable fraction), 2 mg/m3 (inhalable fraction) for Zn inorg. cmpnds
Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016]
Occupational diseases associated with exposure to this agent:
Industrial Processes with risk of exposure: