SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Bronze Alloy

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-10557

Signal Word
DANGER

Hazard class: Sensitization, respiratory (Category 1). May cause allergy or asthma symptoms or breathing difficulties if inhaled (H334). Avoid breathing dust or fumes (P261).

Hazard class: Sensitization, skin (Category 1). May cause an allergic skin reaction (H317). Avoid breathing dust (P261).

Hazard class: Specific target organ toxicity, repeated exposure (Category 1). Causes damage to organs through prolonged or repeated exposure (H372). Do not eat, drink or smoke when using this product (P270).

Hazard class: Carcinogenicity (Category 2). Suspected of causing cancer (H351). Obtain special instructions before use (P201). Do not handle until all safety precautions have been read and understood (P202).

In solid form, bronze is not hazardous. In dust or fume form: carcinogen, irritant, lung toxin, sensitizer. The hazard classes listed above are based on the presence of nickel and cobalt metals (both present at >0.1%).

Pictograms

SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS

Component Name	CAS Number	Formula	Formula Weight	Concentration
Copper Tin Cobalt Zinc Nickel	7440-50-8 7440-31-5 7440-48-4 7440-66-6 7440-02-0	Cu Sn Co Zn Ni	63.55 118.7 58.93 65.39 58.69	89-99% 0.5-11% 0-0.15% 0-3.0% 0-0.4%

SECTION 4 — FIRST AID MEASURES

If exposed or concerned: Get medical advice or attention (P308+P313).
If inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breathing (P304+P340). If experiencing respiratory symptoms: Call a POISON CENTER or physician (P342+P311). If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do so. Continue rinsing (P305+P351+P338). If on skin: Rinse cautiously with water for several minutes (P302+P351). Wash contaminated clothing before reuse (P363). If swallowed: Rinse mouth. Call a POISON CENTER or physician if you feel unwell (P301+P312).

SECTION 5 — FIRE FIGHTING MEASURES

Nonflammable solid.
Finely powdered dust is flammable when exposed to heat or flame. When heated to decomposition, may emit toxic fumes.
In case of fire: Use a tri-class dry chemical fire extinguisher.

NFPA Code
None established

SECTION 6 — ACCIDENTAL RELEASE MEASURES

Remove all ignition sources and water. Sweep up the spill, place in a 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 hydrides.

SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION

Wear protective gloves, protective clothing, and eye protection. Wash hands thoroughly after handling.
Exposure guidelines: (as cobalt metal dust and fume) PEL 0.1 mg/m³ (OSHA); TLV 0.02 mg/m³ (ACGIH)
Use only in a hood or in a well-ventilated area. In case of inadequate ventilation, wear respiratory protection (P285).
Exposure guidelines: (as nickel metal dust and fume) PEL 1 mg/m³ (OSHA); TLV 1.5 mg/m³ (inhalable fraction) (ACGIH)

SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES

Red metallic solid. Odorless.

Melting point: 1000 - 1075 °C (1830 - 1970 °F), liquid
845 - 1035 °C (1550 - 1900 °F), solid
Specific gravity: 8.84

SECTION 10 — STABILITY AND REACTIVITY

Stable if under normal conditions.

SECTION 11 — TOXICOLOGICAL INFORMATION

Chronic and acute: cobalt/cobalt compounds and nickel are possible carcinogens according to IARC.
Target organs: lungs, testicles

ORL-RAT LD₅₀: 3.5 mg/kg (copper), 6.171 g/kg (cobalt),
greater than 5 g/kg (nickel).
IHL-RAT LC₅₀: 165 mg/m³ (cobalt), greater than 12 mg/kg (nickel)
SKN-RBT LD₅₀: 375 mg/kg (copper), greater than 7.5 g/kg (nickel).

SECTION 12 — ECOLOGICAL INFORMATION

Toxic to aquatic organisms.

SECTION 13 — DISPOSAL CONSIDERATIONS

Please review all federal, state and local regulations that may apply before proceeding.
Flinn Suggested Disposal Method #27a is one option.

SECTION 14 — TRANSPORT INFORMATION

Shipping name: Not regulated. Hazard class: N/A. UN number: N/A.

SECTION 15 — REGULATORY INFORMATION

TSCA: Listed

SECTION 16 — OTHER INFORMATION

This Safety Data Sheet (SDS) 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 Science Catalog/Reference Manual for additional information about laboratory chemicals.