Question: what are the dangers of sulfur?
Answer: Inhalation: VERY TOXIC, can cause death. ... 
Skin Contact: CORROSIVE. ... 
Eye Contact: CORROSIVE. ... 
Ingestion: Not a relevant route of exposure (gas).
Effects of Long-Term (Chronic) Exposure: May harm the respiratory system. ... 
Carcinogenicity: Not known to cause cancer.