ELECTRONIC SPACE PRODUCTS INTERNATIONAL

1050 Benson Way, Ashland, OR 97520

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

E-Mail: sales@espimetals.com

MATERIAL SAFETY DATA SHEET

I            PRODUCT IDENTIFICATION

Trade Name:      Dysprosium Oxide                                                                      Chemical Family:             Lanthanides

Formula:            Dy₂O₃                                                                                         CAS #:                               1308-87-8

II           HAZARDOUS INGREDIENTS

Hazardous Components                %                        OSHA/PEL                       ACGIH/TLV

Dysprosium Oxide                           0-100                   N/E or N/A                        N/E or N/A

III         PHYSICAL DATA

Boiling Point (^oF):            N/E or N/A                                                                   Melting Point:                  N/E or N/A

Vapor Density:                 N/A                                                                               Specific Gravity:              7.81

Solubility in H₂O:            Negligible                                                                     Percent, Volatile:             N/A

Appearance and Odor:    White powder

IV         FIRE AND EXPLOSION HAZARDS DATA

Flash Point: N/A                                                                                                    Autoignition Temperature: N/A

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

Extinguishing Media: Use suitable extinguishing media for surrounding material and type of fire.

Special Firefighting Procedures: Firefighters must wear full face, self-contained breathing apparatus with full protective clothing to prevent contact with skin and eyes.

Unusual Fire and Explosion Hazards: None known.

V           HEALTH HAZARD INFORMATION

Threshold Limit Value: Not established, Non-toxic, LD50 rat orally >1,000 mg/kg.

Effects of Exposure:

Inhalation: No data

Ingestion: No data

Skin: Can cause slight irritation.

Eye: Can cause particle irritation.

Chronic Effects: No data

Target Organs: No data

Medical Conditions Generally Aggravated by Exposure: No data

Carcinogenicity: NTP: No           IARC: No          OSHA: No

EMERGENCY AND FIRST AID PROCEDURES:

INHALATION: Remove to fresh air, keep warm and quiet, give oxygen if breathing is difficult, seek medical attention if symptoms persist.

INGESTION: Give 1-2 glasses of milk or water and induce vomiting. Seek medical attention.

SKIN: Wash affected area with mild soap and water and rinse thoroughly. Seek medical attention if symptoms develop or persist.

EYE: Flush eyes, including under eyelids, with water for at least 15 minutes. Seek medical attention if symptoms develop or persist.

VI         REACTIVITY DATA

Stability: Stable

Conditions to Avoid: None known

Incompatibility (Material to Avoid): Strong acids

Hazardous Decomposition Products: None known

Hazardous Polymerization: Will not occur

VII        SPILL OR LEAK PROCEDURES

Steps to Be Taken in Case Material Is Released or Spilled: Wearing appropriate respiratory and protective equipment, sweep or wipe up and place in a closed container for disposal. Take care not to raise dust.

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

VIII      SPECIAL PROTECTION INFORMATION

Respiratory Protection: Use particle dust mask if handling large amounts of fine powder.

Ventilation: Use local exhaust to maintain concentration at low exposure levels.

Protective Gloves: Recommended                                                                         Eye Protection: Safety glasses

Other Protective Equipment: Protective gear suitable to prevent contamination.

IX         SPECIAL PRECAUTIONS

Precautions to Be Taken in Handling and Storage: Store in closed containers. It will absorb moisture and CO₂. For industrial use only.

Work Practices: Implement engineering and work practice controls to reduce and maintain concentration of exposure. Use good housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash Thoroughly before eating or smoking. Do not blow dust off clothing or skin with compressed air. Maintain eyewash capable of sustained flushing, safety drench shower and facilities for washing.

              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:                    November 1988