MATERIAL SAFETY DATA SHEET

I. PRODUCT IDENTIFICATION

Manufacturer/Supplier:

ESPI Metals

1050 Benson Way, Ashland, OR 97520

Toll Free (800) 638-2581 * Fax (541) 488-8313

E-Mail: sales@espimetals.com

Trade Name:                    Gold

Chemical Nature:             Metal

Formula:                           Au

Formula Weight:             196.97

CAS #:                               7440-57-5

II. HAZARDOUS INGREDIENTS

Hazardous Component:  Gold

%:                                     0-100

OSHA/PEL:                     N/E

ACGIH/TLV:                   N/E

SARA Sec. 313:                No

HMIS Ratings: Health: 1             Flammability: 1               Reactivity: 0

III. PHYSICAL DATA

Boiling Point 760 mm Hg:2800 ^oC

Melting Point:                  1064 ^oC

Specific Gravity:              19.31

Vapor Density:                 N/A

% Volatiles by Weight:   N/A

Solubility in H₂O:            Insoluble

Appearance and Odor:    Yellow, soft ductile metal, no odor

IV. FIRE AND EXPLOSION HAZARDS DATA

Flash Point (Method used): N/A

Autoignition Temperature: N/A

Flammable Limits: Upper: N/A  Lower: N/A

Extinguishing Media: Use foam, carbon dioxide or dry chemical.

Special Fire Fighting Procedures: Firefighters must wear full face, self-contained breathing apparatus with full protective clothing. Fumes from fire are hazardous.

Unusual Fire & Explosion Hazards: Avoid creating dust for potential dust ignition/explosions.

V. HEALTH HAZARD DATA

Effects of Exposure:

Inhalation: May cause irritation if exposure is prolonged or excessive.

Ingestion: No adverse effects expected.

Skin: May cause irritation and allergic reaction.

Eye: May cause irritation.

Medical Conditions Generally Aggravated by Exposure: Respiratory disorders. May aggravate existing dermatitis or other skin ailments.

Carcinogenicity: NTP: No           IARC: No          OSHA: No

EMERGENCY AND FIRST AID PROCEDURES:

INHALATION: Procedures normally not needed. If exposed to excessive levels of dust or fumes, remove to fresh air and seek medical attention.

INGESTION: Procedures normally not needed. If large quantities are ingested, seek medical advice.

SKIN: Flush with plenty of water. If irritation persists, call a physician.

EYES: Flush eyes with lukewarm water for 15 minutes. If irritation persists, call a physician.

VI. REACTIVITY DATA

Stability: Generally considered stable.

Conditions to Avoid: None expected.

Incompatibility (Material to Avoid): Gold plus ammonia may produce fulminate-like compounds that explode when dried. Finely divided gold and strong hydrogen peroxide solution may explode.

Hazardous Decomposition Products: Toxic fumes under fire conditions.

Hazardous Polymerization: Is not expected to occur.

VII. SPILL OR LEAK PROCEDURES

Steps to be Taken in Case Material is Released or Spilled: Vacuum or scoop the material into a container for reclamation or disposal.

Waste Disposal Method: In accordance with Local, State and Federal Regulations. Has reclaim value as scrap.

VIII. SPECIAL PROTECTION INFORMATION

Respiratory Protection: A NIOSH/MSHA-approved respirator as necessary.

Ventilation: General exhaust is recommended. Use local exhaust ventilation as necessary to control dust/fume.

Protective Gloves: Gloves

Eye Protection: Safety glasses with side shields 

Other Protective Equipment: None

IX. SPECIAL PRECAUTIONS

Precautions to Be Taken in Handling and Storage: Avoid and control operations which create dusting. Wash thoroughly after handling. Keep container closed. Avoid contact with eyes and skin.

DOT Regulations:

Hazard Class: None

The above information is believed to be correct, but does not purport to be all inclusive and shall be used only as a guide. ESPI shall not be held liable for any damage resulting from handling or from contact with the above product.

Issued by:            S Dierks

Date:                    May 2005