SAFETY DATA SHEET. Emergency Assistance Chemtrec Serious eye damage/eye irritation Specific target organ toxicity, single exposure

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1 SAFETY DATA SHEET 1. Identification Product identifier Other means of identification Product code Recommended use Recommended restrictions BARIUM CHLORIDE SOLUTION, 0.5 M (12%) 1143 professional, scientific and technical activities: other professional, scientific and technical activities None known. Manufacturer/Importer/Supplier/Distributor information Manufacturer Company name GFS Chemicals, Inc. Address P.O. Box 245 Powell, OH United States Telephone Phone Toll Free Fax Website service@gfschemicals.com Emergency phone number 2. Hazard(s) identification Physical hazards Health hazards Environmental hazards OSHA defined hazards Label elements Emergency Assistance Chemtrec Not classified. Acute toxicity, oral Serious eye damage/eye irritation Specific target organ toxicity, single exposure Not classified. Not classified. Category 4 Category 2A Category 1 Signal word Hazard statement Precautionary statement Prevention Response Storage Disposal Hazard(s) not otherwise classified (HNOC) Supplemental information Danger Harmful if swallowed. Causes serious eye irritation. Causes damage to organs. Do not breathe mist or vapor. Wash thoroughly after handling. Do not eat, drink or smoke when using this product. Wear eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. IF ON SKIN: Wash with plenty of soap and water. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Call a POISON CENTER/doctor. If eye irritation persists: Get medical advice/attention. Store locked up. Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal. None known. 3. Composition/information on ingredients Mixtures 12% of the mixture consists of component(s) of unknown acute dermal toxicity. Chemical name Common name and synonyms CAS number % WATER Revision date: April Issue date: January / 8

2 Chemical name Common name and synonyms CAS number % BARIUM CHLORIDE, DIHYDRATE *Designates that a specific chemical identity and/or percentage of composition has been withheld as a trade secret. 4. First-aid measures Inhalation Skin contact Eye contact Ingestion Most important symptoms/effects, acute and delayed Indication of immediate medical attention and special treatment needed General information 5. Fire-fighting measures Suitable extinguishing media Unsuitable extinguishing media Specific hazards arising from the chemical Special protective equipment and precautions for firefighters Fire fighting equipment/instructions Specific methods General fire hazards 6. Accidental release measures Personal precautions, protective equipment and emergency procedures Methods and materials for containment and cleaning up Move to fresh air. Call a physician if symptoms develop or persist. Wash off with soap and water. Get medical attention if irritation develops and persists. Immediately flush eyes with plenty of water for at least 15 minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Get medical attention if irritation develops and persists. Rinse mouth. If vomiting occurs, keep head low so that stomach content doesn't get into the lungs. Get medical advice/attention if you feel unwell. Severe eye irritation. Symptoms may include stinging, tearing, redness, swelling, and blurred vision. Provide general supportive measures and treat symptomatically. Keep victim warm. Keep victim under observation. Symptoms may be delayed. If you feel unwell, seek medical advice (show the label where possible). Ensure that medical personnel are aware of the material(s) involved, and take precautions to protect themselves. Show this safety data sheet to the doctor in attendance. Use extinguishing agent suitable for type of surrounding fire. Water. Do not use water jet as an extinguisher, as this will spread the fire. During fire, gases hazardous to health may be formed. Self-contained breathing apparatus and full protective clothing must be worn in case of fire. Move containers from fire area if you can do so without risk. Use standard firefighting procedures and consider the hazards of other involved materials. No unusual fire or explosion hazards noted. Keep unnecessary personnel away. Keep people away from and upwind of spill/leak. Wear appropriate protective equipment and clothing during clean-up. Do not breathe mist or vapor. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Ensure adequate ventilation. Local authorities should be advised if significant spillages cannot be contained. For personal protection, see section 8 of the SDS. This product is miscible in water. Large Spills: Stop the flow of material, if this is without risk. Dike the spilled material, where this is possible. Absorb in vermiculite, dry sand or earth and place into containers. Following product recovery, flush area with water. Small Spills: Wipe up with absorbent material (e.g. cloth, fleece). Clean surface thoroughly to remove residual contamination. Environmental precautions 7. Handling and storage Precautions for safe handling Conditions for safe storage, including any incompatibilities Never return spills to original containers for re-use. For waste disposal, see section 13 of the SDS. Avoid discharge into drains, water courses or onto the ground. Do not breathe mist or vapor. Do not taste or swallow. Avoid contact with eyes. Avoid prolonged exposure. When using, do not eat, drink or smoke. Provide adequate ventilation. Wear appropriate personal protective equipment. Wash hands thoroughly after handling. Observe good industrial hygiene practices. Store locked up. Store in original tightly closed container. Store away from incompatible materials (see Section 10 of the SDS). Revision date: April Issue date: January / 8

3 8. Exposure controls/personal protection Occupational exposure limits The following constituents are the only constituents of the product which have a PEL, TLV or other recommended exposure limit. At this time, the other constituents have no known exposure limits. US. OSHA Table Z-1 Limits for Air Contaminants (29 CFR ) Components Type Value BARIUM CHLORIDE, DIHYDRATE (CAS ) US. ACGIH Threshold Limit Values Components PEL Type 0.5 mg/m3 Value BARIUM CHLORIDE, DIHYDRATE (CAS ) TWA US. NIOSH: Pocket Guide to Chemical Hazards Components Type 0.5 mg/m3 Value BARIUM CHLORIDE, DIHYDRATE (CAS ) Biological limit values Appropriate engineering controls TWA No biological exposure limits noted for the ingredient(s). 0.5 mg/m3 Good general ventilation (typically 10 air changes per hour) should be used. Ventilation rates should be matched to conditions. If applicable, use process enclosures, local exhaust ventilation, or other engineering controls to maintain airborne levels below recommended exposure limits. If exposure limits have not been established, maintain airborne levels to an acceptable level. Provide eyewash station. Individual protection measures, such as personal protective equipment Eye/face protection Wear safety glasses with side shields (or goggles). Skin protection Hand protection Other Respiratory protection Thermal hazards General hygiene considerations 9. Physical and chemical properties Appearance Odor Physical state Form Color Odor threshold Wear appropriate chemical resistant gloves. Wear suitable protective clothing. Use of an impervious apron is recommended. If engineering controls do not maintain airborne concentrations below recommended exposure limits (where applicable) or to an acceptable level (in countries where exposure limits have not been established), an approved respirator must be worn. Wear appropriate thermal protective clothing, when necessary. Keep away from food and drink. Always observe good personal hygiene measures, such as washing after handling the material and before eating, drinking, and/or smoking. Routinely wash work clothing and protective equipment to remove contaminants. Clear. Liquid. Liquid. Colorless. Odorless. ph Melting point/freezing point < 32 F (< 0 C) Initial boiling point and boiling range Flash point Evaporation rate Flammability (solid, gas) > 212 F (> 100 C) Not applicable. Upper/lower flammability or explosive limits Flammability limit - lower (%) Flammability limit - upper (%) Revision date: April Issue date: January / 8

4 Explosive limit - lower (%) Explosive limit - upper (%) Vapor pressure Vapor density Relative density Solubility(ies) Solubility (water) Partition coefficient (n-octanol/water) Auto-ignition temperature Completely miscible Decomposition temperature Viscosity Other information Density Explosive properties Molecular formula 1.11 g/cm3 Not explosive. BaCl2.2H2O Molecular weight Oxidizing properties Percent volatile Specific gravity Stability and reactivity Reactivity Chemical stability Possibility of hazardous reactions Conditions to avoid Incompatible materials Hazardous decomposition products Not oxidizing. 88 % estimated The product is stable and non-reactive under normal conditions of use, storage and transport. Material is stable under normal conditions. No dangerous reaction known under conditions of normal use. Contact with incompatible materials. Acids. 11. Toxicological information Barium oxide. Information on likely routes of exposure Inhalation Skin contact Eye contact Ingestion Symptoms related to the physical, chemical and toxicological characteristics Information on toxicological effects Acute toxicity Components May cause damage to organs by inhalation. Prolonged inhalation may be harmful. No adverse effects due to skin contact are expected. Causes serious eye irritation. Harmful if swallowed. Severe eye irritation. Symptoms may include stinging, tearing, redness, swelling, and blurred vision. Harmful if swallowed. Species BARIUM CHLORIDE, DIHYDRATE (CAS ) Acute Test Results Oral LD50 Rat 220 mg/kg 150 mg/kg 132 mg/kg 118 mg/kg LDL0 Dog 90 mg/kg Guinea pig Rabbit 76 mg/kg 170 mg/kg Revision date: April Issue date: January / 8

5 Components Species Test Results Other LD50 Mouse 19.2 mg/kg * Estimates for product may be based on additional component data not shown. 12 mg/kg 8.2 mg/kg LDL0 Rat 20 mg/kg Skin corrosion/irritation Serious eye damage/eye irritation Respiratory or skin sensitization Prolonged skin contact may cause temporary irritation. Causes serious eye irritation. May be irritating to eyes. Respiratory sensitization Not a respiratory sensitizer. Skin sensitization Germ cell mutagenicity Carcinogenicity This product is not expected to cause skin sensitization. No data available to indicate product or any components present at greater than 0.1% are mutagenic or genotoxic. Not classifiable as to carcinogenicity to humans. IARC Monographs. Overall Evaluation of Carcinogenicity Not listed. US OSHA Hazard Categories (1) US OSHA Hazard Categories (10) US OSHA Hazard Categories (2) US OSHA Hazard Categories (3) US OSHA Hazard Categories (4) US OSHA Hazard Categories (5) US OSHA Hazard Categories (6) US OSHA Hazard Categories (7) US OSHA Hazard Categories (8) US OSHA Hazard Categories (9) US. National Toxicology Program (NTP) Report on Carcinogens Not listed. Reproductive toxicity Specific target organ toxicity - single exposure Specific target organ toxicity - repeated exposure Aspiration hazard Chronic effects 12. Ecological information Ecotoxicity Product This product is not expected to cause reproductive or developmental effects. Causes damage to organs. Not classified. Not an aspiration hazard. BARIUM CHLORIDE SOLUTION, 0.5 M (12%) Aquatic Crustacea Fish Prolonged inhalation may be harmful. The product is not classified as environmentally hazardous. However, this does not exclude the possibility that large or frequent spills can have a harmful or damaging effect on the environment. EC50 LC50 Species Daphnia Fish Test Results mg/l, 48 hours estimated mg/l, 96 hours estimated Revision date: April Issue date: January / 8

6 Components Species BARIUM CHLORIDE, DIHYDRATE (CAS ) Aquatic Crustacea EC50 Water flea (Daphnia magna) Fish LC50 Mummichog (Fundulus heteroclitus) Test Results 14.5 mg/l, 48 hours > 1000 mg/l, 96 hours * Estimates for product may be based on additional component data not shown. Persistence and degradability Bioaccumulative potential Mobility in soil Other adverse effects 13. Disposal considerations Disposal instructions Local disposal regulations Hazardous waste code Waste from residues / unused products Contaminated packaging 14. Transport information DOT Not regulated as dangerous goods. IATA Not regulated as dangerous goods. IMDG Not regulated as dangerous goods. Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code 15. Regulatory information US federal regulations No data available. No data available. No other adverse environmental effects (e.g. ozone depletion, photochemical ozone creation potential, endocrine disruption, global warming potential) are expected from this component. Collect and reclaim or dispose in sealed containers at licensed waste disposal site. Dispose of contents/container in accordance with local/regional/national/international regulations. Dispose in accordance with all applicable regulations. The waste code should be assigned in discussion between the user, the producer and the waste disposal company. Dispose of in accordance with local regulations. Empty containers or liners may retain some product residues. This material and its container must be disposed of in a safe manner (see: Disposal instructions). Since emptied containers may retain product residue, follow label warnings even after container is emptied. Empty containers should be taken to an approved waste handling site for recycling or disposal. Not established. This product is a "Hazardous Chemical" as defined by the OSHA Hazard Communication Standard, 29 CFR TSCA Section 12(b) Export Notification (40 CFR 707, Subpt. D) CERCLA Hazardous Substance List (40 CFR 302.4) BARIUM CHLORIDE, DIHYDRATE (CAS ) SARA 304 Emergency release notification US OSHA Hazard Categories (1) US OSHA Hazard Categories (2) US OSHA Hazard Categories (3) US OSHA Hazard Categories (4) US OSHA Hazard Categories (5) US OSHA Hazard Categories (6) US OSHA Hazard Categories (7) Revision date: April Issue date: January / 8 Listed.

7 US OSHA Hazard Categories (8) US OSHA Hazard Categories (9) US OSHA Hazard Categories (10) Superfund Amendments and Reauthorization Act of 1986 (SARA) Hazard categories Immediate Hazard - Delayed Hazard - No Fire Hazard - No Pressure Hazard - No Reactivity Hazard - No SARA 302 Extremely hazardous substance Not listed. SARA 311/312 Hazardous chemical SARA 313 (TRI reporting) Chemical name No CAS number BARIUM CHLORIDE, DIHYDRATE Other federal regulations Clean Air Act (CAA) Section 112 Hazardous Air Pollutants (HAPs) List % by wt. Clean Air Act (CAA) Section 112(r) Accidental Release Prevention (40 CFR ) Safe Drinking Water Act (SDWA) US state regulations International Inventories California Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65): This material is not known to contain any chemicals currently listed as carcinogens or reproductive toxins. Country(s) or region Inventory name On inventory (yes/no)* Australia Australian Inventory of Chemical Substances (AICS) Canada Canada China Europe Europe Japan Korea New Zealand Philippines United States & Puerto Rico Domestic Substances List (DSL) Non-Domestic Substances List (NDSL) Inventory of Existing Chemical Substances in China (IECSC) European Inventory of Existing Commercial Chemical Substances (EINECS) European List of Notified Chemical Substances (ELINCS) Inventory of Existing and New Chemical Substances (ENCS) Existing Chemicals List (ECL) New Zealand Inventory Philippine Inventory of Chemicals and Chemical Substances (PICCS) Toxic Substances Control Act (TSCA) Inventory *A "" indicates that all components of this product comply with the inventory requirements administered by the governing country(s) A "No" indicates that one or more components of the product are not listed or exempt from listing on the inventory administered by the governing country(s). 16. Other information, including date of preparation or last revision Issue date Revision date Version # 02 Disclaimer January April The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text. GFS Chemicals, Inc. cannot anticipate all conditions under which this information and its product, or the products of other manufacturers in combination with its product, may be used. It is the user s responsibility to ensure safe conditions for handling, storage and disposal of the product, and to assume liability for loss, injury, damage or expense due to improper use. The information in the sheet was written based on the best knowledge and experience currently available. Revision date: April Issue date: January / 8 No No

8 Revision information This document has undergone significant changes and should be reviewed in its entirety. Revision date: April Issue date: January / 8