1. IDENTIFICATION - Hill Brothers Chemical Co.

1 Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow Page 1 of 11 SAFETY DATA SHEET THE DOW Chemical COMPANY Product name: versene 220 Crystals Chelating Agent Issue Date: 04/24/2015 Print Date: 04/27/2015 THE DOW Chemical COMPANY encourages and expects you to read and understand the entire (M)SDS, as there is important information throughout the document. We expect you to follow the precautions identified in this document unless your use conditions would necessitate other appropriate methods or actions. 1. IDENTIFICATION Product name: versene 220 Crystals Chelating Agent Recommended use of the Chemical and restrictions on use Identified uses: Chelating agent. We recommend that you use this product in a manner consistent with the listed use. If your intended use is not consistent with the stated use, please contact your sales or technical service representative.

2 COMPANY IDENTIFICATION THE DOW Chemical COMPANY 2030 WILLARD H DOW CENTER MIDLAND MI 48674-0000 UNITED STATES Customer Information Number: 800-258-2436 EMERGENCY TELEPHONE NUMBER 24-Hour Emergency Contact: 800-424-9300 Local Emergency Contact: 800-424-9300 2. HAZARDS IDENTIFICATION Hazard classification This material is hazardous under the criteria of the Federal OSHA Hazard Communication Standard 29 CFR Acute toxicity - Category 4 - Oral Acute toxicity - Category 4 - Inhalation Serious eye damage - Category 1 Label elements Hazard pictograms Product name: versene 220 Crystals Chelating Agent Issue Date: 04/24/2015 Page 2 of 11 Signal word: DANGER! Hazards Harmful if swallowed or if inhaled Causes serious eye damage. Precautionary statements Prevention Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.

3 Wash skin thoroughly after handling. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear eye protection/ face protection. Response IF SWALLOWED: Call a POISON CENTER or doctor/ physician if you feel unwell. Rinse mouth. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/ physician if you feel unwell. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/ physician. Disposal Dispose of contents/ container to an approved waste disposal plant. Other hazards no data available 3. COMPOSITION/INFORMATION ON INGREDIENTS Synonyms: Ethylenedinitrilotetraacetic acid, tetrasodium salt, tetrahydrate This product is a substance.

4 Component CASRN Concentration Tetrasodium Ethylenediaminetetraacetate Tetrahydrate 13235-36-4 Note The CAS# 13235-36-4 can also be described for TSCA by CAS# 64-02-8. Product name: versene 220 Crystals Chelating Agent Issue Date: 04/24/2015 Page 3 of 11 4. FIRST AID MEASURES Description of first aid measures General advice: First Aid responders should pay attention to self-protection and use the recommended protective clothing ( Chemical resistant gloves, splash protection). If potential for exposure exists refer to Section 8 for specific personal protective equipment. Inhalation: Move person to fresh air; if effects occur, consult a physician. Skin contact: Wash off with plenty of water. Eye contact: Wash immediately and continuously with flowing water for at least 30 minutes.

5 Remove contact lenses after the first 5 minutes and continue washing. Obtain prompt medical consultation, preferably from an ophthalmologist. Suitable emergency eye wash facility should be immediately available. Ingestion: If swallowed, seek medical attention. Do not induce vomiting unless directed to do so by medical personnel. Most important symptoms and effects, both acute and delayed: Aside from the information found under Description of first aid measures (above) and Indication of immediate medical attention and special treatment needed (below), any additional important symptoms and effects are described in Section 11: Toxicology Information. Indication of any immediate medical attention and special treatment needed Notes to physician: Repeated excessive exposure may aggravate preexisting lung disease.

6 May cause asthma-like (reactive airways) symptoms. Bronchodilators, expectorants, antitussives and corticosteroids may be of help. Chemical eye burns may require extended irrigation. Obtain prompt consultation, preferably from an ophthalmologist. No specific antidote. Treatment of exposure should be directed at the control of symptoms and the clinical condition of the patient. 5. FIREFIGHTING MEASURES Suitable extinguishing media: This material does not burn. If exposed to fire from another source, use suitable extinguishing agent for that fire. Unsuitable extinguishing media: no data available Special hazards arising from the substance or mixture Hazardous combustion products: Fire conditions may cause this product to decompose. Refer to section 10 - Thermal Decomposition. Unusual Fire and Explosion Hazards: Pneumatic conveying and other mechanical handling operations can generate combustible dust.

7 To reduce the potential for dust explosions, do not permit dust to accumulate. Advice for firefighters Fire Fighting Procedures: Keep people away. Isolate fire and deny unnecessary entry. Hand held dry Chemical or carbon dioxide extinguishers may be used for small fires. Processing this product may generate dusts. Dust explosion hazard may result from forceful application of fire extinguishig agents. Product name: versene 220 Crystals Chelating Agent Issue Date: 04/24/2015 Page 4 of 11 Special protective equipment for firefighters: Wear positive-pressure self-contained breathing apparatus (SCBA) and protective fire fighting clothing (includes fire fighting helmet, coat, trousers, boots, and gloves). If protective equipment is not available or not used, fight fire from a protected location or safe distance.

8 6. ACCIDENTAL RELEASE MEASURES Personal precautions, protective equipment and emergency procedures: Isolate area. Keep unnecessary and unprotected personnel from entering the area. Spilled material may cause a slipping hazard. Use appropriate safety equipment. For additional information, refer to Section 8, Exposure Controls and Personal Protection. Refer to section 7, Handling, for additional precautionary measures. Environmental precautions: Prevent from entering into soil, ditches, sewers, waterways and/or groundwater. See Section 12, Ecological Information. Methods and materials for containment and cleaning up: Contain spilled material if possible. Use non-sparking tools in cleanup operations. Sweep up. Good housekeeping and controlling of dusts are necessary for safe handling of product.

9 Collect in suitable and properly labeled containers. See Section 13, Disposal Considerations, for additional information. 7. HANDLING AND STORAGE Precautions for safe handling: Do not get in eyes. Do not swallow. Wash thoroughly after handling. Avoid breathing vapor. Use with adequate ventilation. Keep container closed. Good housekeeping and controlling of dusts are necessary for safe handling of product. Pneumatic conveying and other mechanical handling operations can generate combustible dust. To reduce the potential for dust explosions, electrically bond and ground equipment and do not permit dust to accumulate. Dust can be ignited by static discharge. See Section 8, EXPOSURE CONTROLS AND PERSONAL PROTECTION. Conditions for safe storage: Do not store in: Opened or unlabeled containers.

10 Zinc. Aluminum and its alloys. Carbon steel. Copper. Copper alloys. Galvanized containers. Nickel. Store in original unopened container. Store in accordance with good manufacturing practices. Minimize sources of ignition, such as static build-up, heat, spark or flame. Additional storage and handling information on this product may be obtained by calling your sales or customer service contact. See Section 10 for more specific information. Storage stability Shelf life: Use within 24 Month Storage temperature: -18 - 49 C (-0 - 120 F) 8. EXPOSURE CONTROLS/PERSONAL PROTECTION Control parameters Exposure limits are listed below, if they exist. None established Exposure controls Product name: versene 220 Crystals Chelating Agent Issue Date: 04/24/2015 Page 5 of 11 Engineering controls: Use engineering controls to maintain airborne level below exposure limit requirements or guidelines.