Corrosive to exposed tissues. Inhalation of vapors may result in pulmonary edema and chemical pneumonitis. Nonflammable. Reacts with water to produce sulfuric acid.

• 对暴露的生物组织有腐蚀性。吸入蒸汽可引起化学性肺炎和肺部水肿。不可燃。与水反应产生硫酸。