ELECTRONIC SPACE PRODUCTS INTERNATIONAL



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                                              MATERIAL SAFETY DATA SHEET





I        PRODUCT IDENTIFICATION



                   Iridium                                                                                       Platinum group metal

Trade Name:                                                                           Ch em ical Fam ily:

                   Ir                                                                                            7439-8 8-5

Form ula:                                                                             CAS #:





II       HAZAR DOUS INGRED IENTS



Haz ardous C omp onents               %                  OSHA/PEL                     ACGIH/TLV

Iridium                               0-100              N/E                          N/E



HM IS Hazard Media/NFPA H azard Classification: Hea lth: 1                  Flamm able: 1      Reactivity: 0





III      PHYSICAL DATA



                                      4130 oC                                                                    2410 oC

Boiling Point :                                                                       Melting Point:

                                      22.65 at 20 oC                                                             N/A

Specific Gravity (H 2O = 1):                                                          Vapo r Density:

                                      Silver white solid, odo rless                                              Insoluble

Appearance and Odor:                                                                  Solubility in H 2O:





IV       FIRE AND EXPLOSION H AZARDS DATA



Flash Point (Method used): N/A                                                        Autoignition Temperature: N/A

Flam mab le Limits: Upper: N/A Lower: N/A



Extingu ishing Media: Do not use w ater. Smother with suitable dry pow der.

Special Fire Fighting Procedures: Wear positive-pressure self-con tained bre athing ap paratus.

Unusual Fire & Explosion Hazard: Dust, powder, and fume are flammable or explosive when exposed to heat or flame.





V        HEALTH H AZARD DA TA



Routes of Entry: Eyes, skin, inhalation, and ingestion.

Effects of Over Expo sure: As a solid no known adverse effects.



Potential Hea lth Effects:



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

Ingestion: No adverse effects expected.

Skin Contact: Prolonged contact may cause mild irritation.

Eye Contact: Ma y cau se m echanica l irritation if expo sed to large am oun ts of du st.



NOTE: Health effects only apply if dust or fume is formed.

Carcino genicity: NTP: No         IARC: No          OSHA: No

Medical Conditions Generally Aggravated By Exposure: None Known

Chro nic Health Effects: None Known



EMERG ENCY 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, seed medical advice.

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

EYES: Imm ediately flush eyes with plenty of water for at least 15 minutes. Call a physician.





VI       REACTIVITY DATA



Stability: Stable

Incompatibility (Material to Avoid): Interhalogens

Haz ardous D ecomposition Produc ts: Toxic Fumes upon thermal decomposition.

Hazardous Polymerization: Will not occur





VII      SPILL OR LEAK PROC EDURES



Steps to Be Taken in Case Material Is Released or Spilled: Vacuum or scoop the spilled material into a container for reclamation

or disposal. Store in a tightly sealed container away from heat, sparks and flame. Store in a cool, dry location away from

incomp atible m aterials. A void breathing dust, m ist or fume s resultin g form the use of th is produc t.



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





VIII     SPECIAL PROTECTION INFORMATION



Respiratory Protection (Specify Type): If dust, NIOS H/M SHA approved respirator.

Ventilation: Recommended where dusting may occur. Local exhaust needed during melting



Protective Gloves: For E xtended use o f powd er, du ring me lt.

Eye Protection: Safety G lasses with side shields.





IX       SPECIAL PRECAUTIONS



Other Handling and Storage Conditions: Avoid and control operations which create dusting. Avoid inhalation of metal powder

fume and vapor. Storage involves no hazard.



Wo rk Practices: Imp lem ent en gineering and wo rk practice controls to re duc e and ma intain c onc entration o f exp osure at low levels.

Use good housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash thoroughly before eating and

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 abo ve inform ation is believ ed to be co rrect, but do es no t purp ort to b e all inclu sive an d sha ll be used only as a gu ide.

ESPI shall not be held liab le for any d am ages resultin g from c ontact or fro m h and ling the abo ve product.





Issued by:         S. Dierks

Date:              October 2002









                                                                    -Iridium 2-