FLINN SCIENTIFIC, INC. MSDS #: 859.30 Material Safety Data Sheet (MSDS) Revision Date:June 2, 2006 SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION Zinc Dust Flinn Scientific, Inc. P.O. Box 219 Batavia, IL 60510 (800) 452-1261 CHEMTREC Emergency Phone Number: (800) 424-9300 SECTION 2 — COMPOSITION, INFORMATION ON INGREDIENTS Zinc Dust CAS#: 7440-66-6 SECTION 3 — HAZARDS IDENTIFICATION Bluish-gray odorless powder. Inhalation of zinc dust may cause lung irritations. Zinc dust can FLINN AT-A-GLANCE spontaneously combust when in contact with moisture. Health-0 Flammability-3 Reactivity-2 Exposure-1 Storage-1 0 is low hazard, 3 is high hazard SECTION 4 — FIRST AID MEASURES Call a physician, seek medical attention for further treatment, observation and support after first aid. Inhalation: Remove to fresh air at once. If breathing has stopped give artificial respiration immediately. Eye: Immediately flush with fresh water for 15 minutes. External: Wash continuously with fresh water for 15 minutes. Internal: Give large quantities of water. Call a physician or poison control at once. SECTION 5 — FIRE FIGHTING MEASURES Non flammable solid. NFPA CODE Finely divided zinc dust is a severe fire hazard. Zinc dust in contact with water or damp air evolves None hydrogen gas. The heat produced may ignite the hydrogen gas. Minimize contact with moisture. established Fire Fighting Instructions: Use triclass, dry chemical fire extinguisher. Firefighters should wear PPE and SCBA with full facepiece operated in positive pressure mode. SECTION 6 — ACCIDENTAL RELEASE MEASURES Restrict unprotected personnel from area. Sweep up, place in sealed bag or container and dispose. Ventilate area and wash spill site after material pickup is complete. See Sections 8 and 13 for further information. SECTION 7 — HANDLING AND STORAGE Flinn Suggested Chemical Storage Pattern: Inorganic #1. Store with metals and metal hydrides. Store in a cool, dry, well-ventilated store room. SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION Avoid contact with eyes, skin and clothing. Wear chemical splash goggles, chemical-resistant gloves and chemical-resistant apron. ©Flinn Scientific, Inc. All Rights Reserved. PAGE 1 OF 2 FLINN SCIENTIFIC, INC. MSDS #: 859.30 Material Safety Data Sheet Zinc Dust Revision Date: June 2, 2006 SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES Bluish-gray odorless powder. Specific Gravity: 7.14 Solubility: Soluble in acids and alkalies; not water. Melting Point: 419 C Formula: Zn Boiling Point: 908 C Formula Weight: 65.37 SECTION 10 — STABILITY AND REACTIVITY Avoid strong acids, strong bases, cadmium, sulfur chlorinated solvents, amines, and carbon disulfide. Avoid any source of flame for zinc dust only! Zinc dust can spontaneously combust when in contact with moisture. Shelf Life: Indefinite. SECTION 11 — TOXICOLOGICAL INFORMATION Acute effects: Dust may cause lung irritations. ORL-RAT LD50: N.A. Chronic effects: N.A. IHL-RAT LC50: N.A. Target organs: N.A. SKN-RBT LD50: N.A. N.A. = Not available, not all health aspects of this substance have been fully investigated. SECTION 12 — ECOLOGICAL INFORMATION Data not yet available. SECTION 13 — DISPOSAL CONSIDERATIONS Please consult with state and local regulations. Flinn Suggested Disposal Method #26a is one option. SECTION 14 — TRANSPORT INFORMATION Shipping Name: Not regulated Hazard Class: N/A UN Number: N/A N/A = Not applicable SECTION 15 — REGULATORY INFORMATION TSCA-listed, EINECS-listed (231-175-3). SECTION 16 — OTHER INFORMATION This Material Safety Data Sheet (MSDS) is for guidance and is based upon information and tests believed to be reliable. Flinn Scientific, Inc. makes no guarantee of the accuracy or completeness of the data and shall not be liable for any damages relating thereto. The data is offered solely for your consideration, investigation, and verification. The data should not be confused with local, state, federal or insurance mandates, regulations, or requirements and CONSTITUTE NO WARRANTY. Any use of this data and information must be determined by the science instructor to be in accordance with applicable local, state or federal laws and regulations. The conditions or methods of handling, storage, use and disposal of the product(s) described are beyond the control of Flinn Scientific, Inc. and may be beyond our knowledge. FOR THIS AND OTHER REASONS, WE DO NOT ASSUME RESPONSIBILITY AND EXPRESSLY DISCLAIM LIABILITY FOR LOSS, DAMAGE OR EXPENSE ARISING OUT OF OR IN ANY WAY CONNECTED WITH THE HANDLING, STORAGE, USE OR DISPOSAL OF THIS PRODUCT(S). Consult your copy of the Flinn Chemical Catalog/Reference Manual for additional information about laboratory chemicals ©Flinn Scientific, Inc. All Rights Reserved. PAGE 2 OF 2