R507

SECTION 2: Hazards identification

OSHA Emergency Overview F o r m : qiL u e eif d g a s C olo r : Colorless O d o r : v e r y f nia t s w e e t Hazard Summary Warning! Container under pressure. This product is not flammable at ambient temperatures and atmospheric pressure. Gas reduces oxygen available for breathing. Causes asphyxiation in high concentrations. The victim will not realize that he/she is suffocating. Excessive exposure may cause central nervous system effects including drowsiness and dizziness. Excessive exposure may also cause cardiac arrhythmia. Rapid evaporation of the liquid may cause frostbite. Avoid contact with skin, eyes and clothing. At higher temperatures, (>250 C), decomposition products may include hydrofluoric acid (HF) and carbonyl halides. The ACGIH Threshold Limit Values (2007) for Hydrogen Fluoride are TLV- TWA 0.5 ppm and Ceiling Exposure Limit 2 ppm.

Potential health effects

Skin : Avoid skin contact with leaking liquid (danger of frostbite). May cause frostbite. Irritating to skin. Eyes : Causes serious eye irritation. May cause frostbite. Ingestion

Principle Routes of Exposure

Effects due to ingestion may include: Gastrointestinal discomfort Inhalation : Gas reduces oxygen available for breathing. Causes asphyxiation in high concentrations. The victim will not realize that he/she is suffocating. Excessive exposure may cause central nervous system effects including drowsiness and dizziness. Excessive exposure may also cause cardiac arrhythmia. Chronic Exposure : None known. Carcinogenicity No component of this product present at levels greater than or equal to 0.1% is identified as a known or anticipated carcinogen by NTP, IARC, or OSHA.