HF, liquid or gaseous, may cause severe burns of skin and deep tissues. If the eyes are exposed to HF, it may penetrate to internal structures. HF inhaled in high concentrations may cause glottitis (obstruction of the airway) and acute pulmonary edema.

• 液态或气态的HF可以导致皮肤和深层组织的严重烧伤。如果眼睛暴露在HF中，HF会渗透到内部组织。吸入高浓度HF会导致喉道阻塞和急性肺水肿。