Sodium Bicarbonate

SECTION 2: Hazards identification

2.2 Label elements

EMERGENCY OVERVIEW The product contains no substances which at their given concentration, are considered to be hazardous to health 3.02 Environmental Precautions Prevent material from entering into soil, ditches, sewers, waterways, and/or groundwater. See Section 12, Ecological Information for more detailed information. Methods for Containment Vacuum or shovel waste into a drum and labet contents for disposal. Methods for cleaning up Pick up and transfer to properly labeled containers. Keep in suitable and closed containers for disposal. Dispose of waste as indicated in Section 13. Handiing Use air conveying/mechanical systems for bulk transfer to storage. Provide appropriate exhaust ventilation at places where dust is formed. In case of insufficient ventilation, wear suitable respiratory equipment if release of airborne dust is expected.

Storage

Keep in a dry place. Keep away from incompatible products (acids). Do not store with strong smelling materials. Incompatible products Except under controlled conditions: Acids Control parameters This product, as supplied, does not contain any hazardous materials with occupational exposure limits established by the region specific regulatory bodies Local nuisance dust standards apply Appropriate engineering controls Engineering measures Where reasonably practicable this should be achieved by the use of local exhaust ventilation and good general extraction. Individual protection measures, such as personal protective equipment Eye/Face Protection Safety glasses with side-shields. Skin and Body Protection Wear suitable protective clothing. Protective shoes or boots. Hand Protection Protective gloves Respiratory Protection In case of inadequate ventilation wear respiratory protection. Hygiene measures Handle in accordance with good industrial hygiene and safety practice. General information If the product is used in mixtures, it is recommended that you contact the appropriate protective equipment suppliers Information on basic physical and chemical properties Appearance Crystalline, Powder Physical State Solid Color White Odor odorless Odor threshold Not applicable pH 8.3 (1% solution) @ 25 °C Melting point/freezing point Not applicable Boiling PointfRange No information available Flash point Not applicable Evaporation Rate No information available 3.02 STOT - repeated exposure No information available.

Aspiration hazard

No information available. Ecotoxicity Sodium Bicarbonate (144-55-8 Active Ingredient(s) (uration Species falue Units Sodium bicarbonate 96 hr Lepomis macrochirus jNOEC: 5,200 mg/L Bluefill sunfish) - LC50: 7,100 Sodium bicarbonate 48 hr immobilisation test!Daphnia magna INOEC: 3,100 mg/L ECO: 4,100 Sodium bicarbonate 96 hr Oncorhynchus mykiss |NOEC: 2,300 mg/L ‘rainbow trout) LC50: 7,700 Persistence and degradabillty Biodegradability does not pertain to inorganic substances. Bioaccumulation Does not bioaccumulate. Moblilty Dissociates into ions. Other Adverse Effects None known. Se Waste disposal methods This material, as supplied, is not a hazardous waste according to Federal regulations (40 CFR 261). Dispose of in accordance with local regulations. Contaminated Packaging Dispose of in accordance with local regulations. bor NOT REGULATED U.S. Federal Regulations SARA 313 Section 313 of Title lif of the Superfund Amendments and Reauthorization Act of 1986 (SARA). This product does not contain any chemicals which are subject to the reporting requirements of the Act and Title 40 of the Code of Federal Regulations, Part 372 SARA 311/312 Hazard Categories Acute health hazard No Chronic health hazard No Fire hazard No Sudden release of pressure hazard No Reactive Hazard °- No Clean Water Act This product does not contain any substances regulated as pollutants pursuant to the Clean Water Act (40 CFR 122.21 and 40 CFR 122.42) 3.02 Disclaimer Tronox Limited believes that the information and recommendations contained herein (inctuding data and statements) are accurate as of the date hereof. NO WARRANTY OF FITNESS FOR ANY PARTICULAR PURPOSE, WARRANTY OF MERCHANTABILITY OR ANY OTHER WARRANTY, EXPRESSED OR IMPLIED, IS MADE CONCERNING THE INFORMATION PROVIDED HEREIN. The information provided herein relates only to the specified product designated and may not be applicable where such product Is used in combination with any other materials or in any process. Further, since the conditions and methods of use are beyond the control of Tronox Limited, Tronox Limited expressly disclaims any and all Hability as to any results obtained or arising from any use of the products or reliance on such information. Prepared By: Tronox Limited Tronox Logo - Trademark of Tronox Limited © 2015 Tronox Limited. All Rights Reserved. End of Safety Data Sheet