Sulfur oxides, Hydrogen Sulfide. See Section B 2. Exposure to dust can cause skin irritation. Symptoms include reddening, itching, and inflammation. May cause coughing, sore throat, and shortness of breath.
Large doses can cause gastrointestinal irritation, nausea, vomiting, and diarrhea.
Ingestion of greater than 15 grams may cause production of hydrogen sulfide from bacterial action in colon. Hydrogen sulfide thus produced can cause effects on central nervous system, including convulsions, changes in blood pressure and respiration, respiratory arrest, and possibly death. Chronic inhalation may cause bronchopulmonary disease which may be complicated by emphysema and bronchiectasis. None of note. Allergic Sensitizer Highly Toxic 6.