MATERIAL SAFETY DATA SHEET







I       PRODUCT IDENTIFICATION



Trade Name:                Gallium Oxide                                       Formula:         Ga203

Chemical Family:           Metal Oxide                                         CAS #:           12024-21-4





II      HAZARDOUS INGREDIENTS



Percent: 100





III     PHYSICAL DATA



Boiling Point:             No data                                             % Volatiles by Volume: Not applicable

Density (gm/cc):           Alpha: 6.44, Beta: 5.88                             Vapor Pressure:        Not applicable

Appearance and Odor:       White crystalline powder, no odor.                  Solubility in H2O:     Insoluble

Melting Point:             Alpha: 1900, Beta: 1795+-15





IV      FIRE AND EXPLOSION HAZARDS DATA



Flash Point (F)/Method: Not applicable                                         Flammable Limits: LFL: N/A         UFL: N/A

Extinguishing Media: Use dry chemical, CO2.



Special Fire Fighting Procedures: Wear a self-contained breathing apparatus and full protective clothing to prevent contact with

skin and eyes.



Unusual Fire and Explosion Hazards: The material may emit acrid smoke and fumes when involved in a fire.





V       HEALTH HAZARD INFORMATION



Effects of Overexposure:



Inhalation: Mild respiratory irritant.

Dermal/Eye Contact: Dusts or powder may cause skin and eye irritation.



Other: Absorption: May effect peripheral nerves and sensation, causing flaccid paralysis without anesthesia. Behavioral changes

such as somnolence and loss of appetite may be noted. Other symptoms may include nausea, vomiting, metallic taste in mouth,

general itching and sweating.



Carcinogenicity: No



EMERGENCY AND FIRST AID PROCEDURES:



EYES: In case of contact, rinse eyes with lukewarm water for 15 minutes. Seek medical attention.

SKIN: In case of contact, immediately wash with soap and water. Wash hands before meals. Seek medical attention.

INHALATION: Remove from area of exposure. Seek medical attention.

INGESTION: Have victim rinse mouth several times and spit out. Administer 1 or 2 glasses of water and induce vomiting. Seek

medical attention.

VI       REACTIVITY DATA



Stability: Stable

Conditions to Avoid: None



Incompatibility (Material to avoid): None

Hazardous Decomposition Products: None

Hazardous Polymerization: Will not occur





VII      SPILL OR LEAK PROCEDURES



Steps to Be Taken in Case Material Is Released or Spilled: Wear a self-contained breathing apparatus and full protective clothing.

Isolate the area where the spill occurred and insure that proper ventilation is available. Vacuum up spill and place in a container for

proper disposal. Take care not to raise dust.



Waste Disposal Method: Dispose of in accordance with applicable Federal, State and Local regulations.





VIII     SPECIAL PROTECTION INFORMATION



Respiratory Protection: Wear NIOSH-approved dust-mist respirator.

Ventilation: Local Exhaust: Maintain adequate exposure.                          Mechanical: Recommended



Protective Gloves: Neoprene                                                Eye Protection: Safety glasses

Other Protective Equipment/work Practices: Wear protective clothing to prevent skin and clothing contamination.





IX       SPECIAL PRECAUTIONS



Precautions to Be Taken in Handling and Storage: Store in tightly closed containers in a cool, dry location. Wash hands and face

thoroughly after handling and before eating..



Transportation Requirements:



DOT Class:        Not classified

UN Number:        N/C

IMCO Class:       N/C





Prepared by:      S. Dierks

Dated:            November 1993