I would not boil HCL without a fume hood. From MSDS: Skin contact may produce burns. Inhalation of the
spray mist may produce severe irritation of respiratory tract, characterized by coughing, choking, or shortness of breath.
Severe over-exposure can result in death.
Special Remarks on other Toxic Effects on Humans:
Acute Potential Health Effects: Skin: Corrosive. Causes severe skin irritation and burns. Eyes: Corrosive. Causes severe
eye irritation/conjuntivitis, burns, corneal necrosis. Inhalation: May be fatal if inhaled. Material is extremely destructive to
tissue of the mucous membranes and upper respiratory tract. Inhalation of hydrochloric acid fumes produces nose, throat,
and larryngeal burning, and irritation, pain and inflammation, coughing, sneezing, choking sensation, hoarseness, laryngeal
spasms, upper respiratory tract edema, chest pains, as well has headache, and palpitations. Inhalation of high concentrations
can result in corrosive burns, necrosis of bronchial epithelium, constriction of the larynx and bronchi, nasospetal perforation,
glottal closure, occur, particularly if exposure is prolonged.