LIQUEFIED NATURAL GAS LNG - CAMEO Chemicals

1 LNG. LIQUEFIED NATURAL GAS. CAUTIONARY RESPONSE INFORMATION 4. FIRE HAZARDS 7. SHIPPING INFORMATION. Flash Point: Grades of Purity: Varies with the point of origin. Common Synonyms Gas Colorless Odorless or weak Flammable gas Usually contains at least 90% methane, with LNG skunk odor Flammable Limits in Air: smaller quantities of ethane, propane, butanes and pentanes, carbon dioxide and nitrogen. Fire Extinguishing Agents: Do not extinguish large spill fires. Allow to burn Storage Temperature: 260 F ( 162 C). Floats and boils on water.

2 Flammable visible vapor cloud is produced. while cooling adjacent equipment with Inert Atmosphere: No requirement Keep people away. water spray. Shut off leak if possible. Venting: Safety relief Shut off ignition sources and call fire department. Extinguish small fires with dry Chemicals . Stay upwind and use water spray to ``knock down'' vapor. Fire Extinguishing Agents Not to Be IMO Pollution Category: Currently not available Evacuate area in case of large discharge. Used: Water Ship Type: 2. Avoid contact with liquid. Special Hazards of Combustion Barge Hull Type: Currently not available Notify local health and pollution control agencies.

3 Products: Not pertinent Behavior in Fire: Not pertinent FLAMMABLE. 8. HAZARD CLASSIFICATIONS. Fire Flashback along vapor trail may occur. Auto Ignition Temperature: 999 F. 49 CFR Category: Flammable gas May explode if ignited in an enclosed area. Electrical Hazards: Class I, Group D. 49 CFR Class: Stop discharge if possible. Burning Rate: mm/min. Cool exposed area and men effecting shutoff with water. 49 CFR Package Group: Not pertinent. Adiabatic Flame Temperature: 2339. Let fire burn. (Est.) Marine Pollutant: No Stoichometric Air to Fuel Ratio: Not NFPA Hazard Classification: CALL FOR MEDICAL AID.

4 Exposure pertinent. Category Classification VAPOR Flame Temperature: Currently not Health Hazard (Blue).. 1. Not irritating to eyes, nose or throat. available Flammability (Red).. 4. If inhaled, will cause dizziness, difficult breathing, or Combustion Molar Ratio (Reactant to Instability (Yellow).. 0. loss of consciousness. Product): Not pertinent. Move to fresh air. Minimum Oxygen Concentration for EPA Reportable Quantity: Not listed. If breathing has stopped, give artificial respiration. Combustion (MOCC): Not listed EPA Pollution Category: Not listed.

5 If breathing is difficult, give oxygen. RCRA Waste Number: Not listed LIQUID 5. CHEMICAL REACTIVITY EPA FWPCA List: Not listed Will cause frostbite. Reactivity with Water: No reaction Flush affected areas with plenty of water. DO NOT RUB AFFECTED AREAS. Reactivity with Common Materials: No 9. PHYSICAL & CHEMICAL. reaction PROPERTIES. Not harmful to aquatic life. Stability During Transport: Stable Water Physical State at 15 C and 1 atm: Gas Neutralizing Agents for Acids and Pollution Caustics: Not pertinent Molecular Weight: >16.

6 Polymerization: Not pertinent Boiling Point at 1 atm: 258 F = 161 C =. Inhibitor of Polymerization: Not pertinent 112 K. Freezing Point: 296 F = C = K. 6. WATER POLLUTION Critical Temperature: 116 F = C =. 1. CORRECTIVE RESPONSE ACTIONS 2. CHEMICAL DESIGNATIONS K. Stop discharge CG Compatibility Group: 31; Paraffin Aquatic Toxicity: Critical Pressure: 673 psia = atm =. Chemical and Physical Treatment: Burn Formula: CH4+C2H6 None MN/m IMO/UN Designation: Waterfowl Toxicity: None Specific Gravity: (liquid) at DOT ID No.: 1972 Biological Oxygen Demand (BOD): None 162 C.

7 CAS Registry No.: Currently not available NAERG Guide No.: 115 Food Chain Concentration Potential: Liquid Surface Tension: 14 dynes/cm =. Standard Industrial Trade Classification: None N/m at -161 C. 34000 GESAMP Hazard Profile: Not listed Liquid Water Interfacial Tension: Currently not available 3. HEALTH HAZARDS. Vapor (Gas) Specific Gravity: - Personal Protective Equipment: Self-contained breathing apparatus; protective clothing if exposed to Ratio of Specific Heats of Vapor (Gas): liquid. Symptoms Following Exposure: If concentration of gas is high enough, may cause asphyxiation.

8 No detectable systemic effects, even at 5% concentration in air. Latent Heat of Vaporization: (est.) 220. Btu/lb = 120 cal/g = X 105 J/kg Treatment of Exposure: Remove victim to open air. If he is overcome by gas, apply artificial resuscitation. Heat of Combustion: 21,600 to 23,400. TLV-TWA: Currently not available Btu/lb = 12,000 to 13,000 cal/g = to X 105 J/kg TLV-STEL: Not listed. TLV-Ceiling: Not listed. Heat of Decomposition: Not pertinent Toxicity by Ingestion: Not pertinent Heat of Solution: Not pertinent Toxicity by Inhalation: Currently not available.

9 Heat of Polymerization: Not pertinent Chronic Toxicity: None Heat of Fusion: Currently not available Vapor (Gas) Irritant Characteristics: Vapors are nonirritating to the eyes and throat. Limiting Value: Currently not available Liquid or Solid Characteristics: No appreciable hazard. Practically harmless to the skin because it Reid Vapor Pressure: High *Physical is very volatile and evaporates quickly. May cause some frostbite. properties apply to methane; no ``standard''. Odor Threshold: Currently not available LNG exists. IDLH Value: Not listed.

10 OSHA PEL-TWA: Not listed. NOTES. OSHA PEL-STEL: Not listed. OSHA PEL-Ceiling: Not listed. EPA AEGL: Not listed JUNE 1999. LNG. LIQUEFIED NATURAL GAS. SATURATED LIQUID DENSITY LIQUID HEAT CAPACITY LIQUID THERMAL CONDUCTIVITY LIQUID VISCOSITY. Temperature Pounds per cubic foot Temperature British thermal unit per Temperature British thermal unit inch Temperature Centipoise (degrees F) (degrees F) pound-F (degrees F) per hour-square foot-F (degrees F). -290 -290 N -290 -288 -285 O -285 -286 -280 T -280 -284 -275 -275 -282 -270 P -270 -280 -265 E -265 -278 -260 R -260 -276 T.