SALT

Storage

Wet or damp conditions can cause caking or corrosion of metal contact surfaces. Spill or Leak: Shovel up dry material into an empty container. Flush residue with water down local sewer. Special Precautions/Procedures/Label Instructions Store in cool, dry area. No special cautions or labeling are required. SECTION VI – PERSONAL PROTECTIVE EQUIPMENT Respiratory Protection: When required, use a respirator approved by NIOSH for product dust. Eyes and Face: In extremely dusty areas, chemical safety goggles should be used. Hands, Arms, and Body: Wear long-sleeved shirts and trousers for routine product handling. Gloves are optional. Other Clothing and Equipment: N/A MSDS – Sodium Chloride (Salt) – International Salt Company Page: 2 of 2 SECTION VII – PHYSICAL DATA Material is (At Normal Conditions) Liquid Solid Gas __________________

Appearance/Odor

White crystalline solid. Slight saline odor Boiling Point: 1465°C Specific Gravity (H2O = 1): 2.16 Vapor Density (Air – 1): N/A Melting Point: 800°C Vapor Pressure (mm Hg at 20°C): 2.4 mm at 746.9°C Solubility In Water (% By Weight): 26.395 Max at 60°F ph (20% Solution): 6.5 – 9.5 SECTION VIII – REACTIVITY DATA Stability: Stable Unstable Conditions to Avoid: Wet/damp conditions can cause caking and corrosion. Incompatibility (Materials to Avoid): None provided the product is dry. Hazardous Decomposition Products: None Hazardous Polymerization: May Occur Will Not Occur Conditions To Avoid: SECTION IX – HAZARDOUS INGREDIENTS (Mixtures Only) Material or Component/ C.A.S. No.: Sodium Chloride, CAS 7645-14-5 Weight %: Hazard Data (See Section J): SECTION X – ENVIRONMENTAL Degradability / Aquatic Toxicity: Product is inorganic and may persist in the environment. EPA Hazardous Substance? Yes No If so, reportable quantity____________________ 40 CFR 116 – 117 Waste Disposal Methods (Disposer Must Comply With Federal, State and Local Disposal or Discharge Laws): Flush to sewer if permitted by applicable disposal regulations. RCRA Status of Unused Material: Not a “hazardous waste.” 40 CFR 261 SECTION XI – REFERENCES Permissible Concentration References: ___________________________________________________________________________ Regulatory Standards: FDA regulations apply to food use and USP/NF grades (21 CFR). USDA regulations apply to use in meat and poultry products. D.O.T. Classification: N/A - 49 CFR General: (a) Recommendations of the Salt Institute SECTION XII – ADDITIONAL INFORMATION This product is not for food or drug use unless material is labeled “food grade”, “USP grade”, or “NF grade”, as applicable. This product safety data sheet is offered solely for your information, consideration and investigation. Compania Minera Punta de Lobos S.A. provides no warranties, either express or implied, and assumes no responsibility for the accuracy or completeness of the