Dry Ice

SECTION 2: Hazards identification

OSHA Emergency Overview CAUTION! Frozen carbon dioxide – extremely cold solid. Can cause severe frostbite. Vaporizes at normal temperatures without forming a liquid. Vapor can cause rapid suffocation. Vapor can increase respiration and heart rate. Vapor may cause nervous system damage. Vapor may cause dizziness and drowsiness. Self-contained breathing apparatus may be required by rescue workers. Odour: None to slightly pungent.

Principle Routes of Exposure

Inhalation. Skin contact. Eye contact. EFFECTS OF A SINGLE (ACUTE) OVEREXPOSURE: INHALATION: Asphyxiant. Effects are due to lack of oxygen. High concentrations may cause headaches, drowsiness, dizziness, excitation, excess salivation, vomiting, and unconciousness. Lack of oxygen can kill. SKIN CONTACT: Causes severe frostbite. SKIN ABSORPTION: No harm expected. SWALLOWING: Causes severe burns. EYE CONTACT: Vapour may cause a stinging sensation; liquid may cause frostbite. EFFECTS OF REPEATED (CHRONIC) OVEREXPOSURE: None. OTHER EFFECTS OF OVEREXPOSURE: Damage to retinal ganglion cells and central nervous system may occur.

Medical Conditions Generally Aggravated by Exposure

OVEREXPOSURE Repeated or prolonged exposure is not known to aggravate medical condition. SIGNIFICANT LABORATORY DATA WITH POSSIBLE RELEVANCE TO HUMAN HEALTH HAZARD EVALUATION: None. CARCINOGENICITY