National Toxicology Program

National Toxicology Program

Scientific Review of Strong Inorganic Acid Mists Containing Sulfuric Acid

Sulfuric Acid - CASRN 7664-993-9
Status: Listed in the Report on Carcinogens (RoC)

Primary Uses or Exposures: Strong inorganic acid mists containing sulfuric acid are not used per se in industry or commercial products but are generated from both natural and industrial sources. Strong inorganic acid mists containing sulfuric acid may be produced as a result of the use of mixtures of strong inorganic acids including sulfuric acid, in industrial processes such as acid treatment of metals, phosphate fertilizer manufacture, lead battery manufacture, and various other industries. Exposure to strong inorganic acid mists containing sulfuric acid may occur by inhalation, ingestion and dermal contact.

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