International Chemical Safety Cards CARBON DIOXIDE ICSC: 0021 Carbonic acid gas Carbonic anhydride CO2 Molecular mass: 44.0 ICSC #    0021 CAS #     124-38-9 RTECS # FF6400000 UN #        1013 October 25, 1994 Peer reviewed TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Not combustible. In case of fire in the surroundings: use appropriate extinguishing media. EXPLOSION Containers may burst in the heat of a fire! In case of fire: keep cylinder cool by spraying with water. Combat fire from a sheltered position. EXPOSURE  •INHALATION Dizziness. Headache. Elevated blood pressure. Tachycardia. Ventilation. Fresh air, rest. Artificial respiration may be needed. Refer for medical attention.  •SKIN ON CONTACT WITH LIQUID: FROSTBITE. Cold-insulating gloves. Protective clothing. ON FROSTBITE: rinse with plenty of water, do NOT remove clothes. Refer for medical attention.  •EYES On contact with liquid: frostbite. Safety goggles or face shield . First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.  •INGESTION SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Ventilation. NEVER direct water jet on liquid. Personal protection: self-contained breathing apparatus. Fireproof if in building. Cool. R: S: UN Hazard Class: 2.2 SEE IMPORTANT INFORMATION ON BACK ICSC: 0021 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

International Chemical Safety Cards CARBON DIOXIDE ICSC: 0021 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: ODOURLESS, COLOURLESS COMPRESSED LIQUEFIED GAS. PHYSICAL DANGERS: The gas is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen. Build up of static electricity can occur at fast flow rates and may ignite any explosive mixtures present. Free-flowing liquid condenses to form extremely cold dry ice. CHEMICAL DANGERS: The substance decomposes on heating above 2000°C producing toxic carbon monoxide. Reacts violently with strong bases and alkali metals. Various metal dusts such as magnesium, zirconium, titanium, aluminium, chromium and manganese are ignitable and explosive when suspended and heated in carbon dioxide. OCCUPATIONAL EXPOSURE LIMITS: TLV: 5000 ppm as TWA; 30000 ppm as STEL; (ACGIH 2004). MAK: 5000 ppm, 9100 mg/m³; Peak limitation category: II(2); (DFG 2004). OSHA PEL: TWA 5000 ppm (9000 mg/m3) NIOSH REL: TWA 5000 ppm (9000 mg/m3) ST 30,000 ppm (54,000 mg/m3) NIOSH IDLH: 40,000 ppm ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation. INHALATION RISK: On loss of containment this liquid evaporates very quickly causing supersaturation of the air with serious risk of suffocation when in confined areas. EFFECTS OF SHORT-TERM EXPOSURE: Inhalation of high concentrations of this gas may cause hyperventilation and unconciousness. Rapid evaporation of the liquid may cause frostbite. EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: The substance may have effects on the metabolism. PHYSICAL PROPERTIES Sublimation point: -79°C Solubility in water, ml/100 ml at 20°C: 88 Vapour pressure, kPa at 20°C: 5720 Relative vapour density (air = 1): 1.5 ENVIRONMENTAL DATA N O T E S Carbon dioxide is given off by many fermentation processes (wine, beer, etc.) and is a major component of flue gas. High concentrations in the air cause a deficiency of oxygen with the risk of unconsciousness or death. Check oxygen content before entering area. No odour warning if toxic concentrations are present. Turn leaking cylinder with the leak up to prevent escape of gas in liquid state. Other UN classification numbers for transport are: UN 1845 carbon dioxide, dry ice; UN 2187 carbon dioxide refrigerated liquid. Card has been partly updated in April 2005. See sections Occupational Exposure Limits, Emergency Response. Transport Emergency Card: TEC (R)-20S1013 ADDITIONAL INFORMATION ICSC: 0021 CARBON DIOXIDE (C) IPCS, CEC, 1994

IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.