**** SECTION 1 - CHEMICAL PRODUCT AND COMPANY IDENTIFICATION ****

MSDS Name: Iridium, powder, 99.9%
Catalog Numbers:
    AC198090000, AC198090025, AC198095000
Synonyms:
Company Identification (Europe):  Acros Organics BVBA
                                 Janssen Pharmaceuticalaan 3a
                                 2440 Geel, Belgium
Company Identification (USA):     Acros Organics
                                 One Reagent Lane
                                 Fairlawn, NJ  07410
For information in North America, call:   800-ACROS-01
For information in Europe, call:          0032(0) 14575211
For emergencies in the US, call CHEMTREC: 800-424-9300
For emergencies in Europe, call:     0032(0) 14575299

         **** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
|      CAS#      |              Chemical Name           |    %     |  EINECS#  |
|----------------|--------------------------------------|----------|-----------|
|     7439-88-5  |IRIDIUM                               |  99.9%   | 231-095-9 |
+----------------+--------------------------------------+----------+-----------+
         Hazard Symbols: F
         Risk Phrases: 11

                 **** SECTION 3 - HAZARDS IDENTIFICATION ****

                              EMERGENCY OVERVIEW
Highly flammable.

Potential Health Effects
    Eye:
         May cause eye irritation.
    Skin:
         Low hazard for usual industrial handling.
    Ingestion:
         May cause irritation of the digestive tract. Expected to be a low
         ingestion hazard.
    Inhalation:
         Low hazard for usual industrial handling.
    Chronic:
         Not available.

                   **** SECTION 4 - FIRST AID MEASURES ****

    Eyes:
         Flush eyes with plenty of water for at least 15 minutes,
         occasionally lifting the upper and lower eyelids. Get medical aid.
    Skin:
         Get medical aid if irritation develops or persists. Flush skin with
         plenty of soap and water.
    Ingestion:
         If victim is conscious and alert, give 2-4 cupfuls of milk or water.
         Never give anything by mouth to an unconscious person. Get medical
         aid.
    Inhalation:
         Remove from exposure to fresh air immediately. Get medical aid if
         cough or other symptoms appear.
    Notes to Physician:

                 **** SECTION 5 - FIRE FIGHTING MEASURES ****

    General Information:
         As in any fire, wear a self-contained breathing apparatus in
         pressure-demand, MSHA/NIOSH (approved or equivalent), and full
         protective gear. Material can spontaneously ignite (pyrophoric) when
         exposed to air at normal or slightly elevated temperatures. This
         material in sufficient quantity and reduced particle size is capable
         of creating a dust explosion. Flammable solid.
    Extinguishing Media:
         Use dry chemical to fight fire.

               **** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

    General Information: Use proper personal protective equipment as indicated
                         in Section 8.
    Spills/Leaks:
         Vacuum or sweep up material and place into a suitable disposal
         container. Avoid generating dusty conditions. Remove all sources of
         ignition.

                  **** SECTION 7 - HANDLING and STORAGE ****

    Handling:
         Wash thoroughly after handling. Use with adequate ventilation.
         Minimize dust generation and accumulation. Use spark-proof tools and
         explosion proof equipment. Avoid contact with eyes, skin, and
         clothing. Keep container tightly closed. Avoid contact with heat,
         sparks and flame. Avoid ingestion and inhalation.
    Storage:
         Keep away from heat, sparks, and flame. Keep away from sources of
         ignition. Store in a tightly closed container. Store in a cool, dry,
         well-ventilated area away from incompatible substances.

         **** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

    Engineering Controls:
         Use adequate ventilation to keep airborne concentrations low.
    Personal Protective Equipment

                Eyes:
                      Wear appropriate protective eyeglasses or chemical
                      safety goggles as described by OSHA's eye and face
                      protection regulations in 29 CFR 1910.133 or European
                      Standard EN166.
                Skin:
                      Wear appropriate protective gloves to prevent skin
                      exposure.
            Clothing:
                      Wear appropriate protective clothing to prevent skin
                      exposure.
         Respirators:
                      Follow the OSHA respirator regulations found in 29CFR
                      1910.134 or European Standard EN 149. Always use a
                      NIOSH or European Standard EN 149 approved respirator
                      when necessary.

            **** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State:             Solid
Appearance:                 grey
Odor:                       Not available.
pH:                         Not available.
Vapor Pressure:             Not available.
Vapor Density:              Not available.
Evaporation Rate:           Not available.
Viscosity:                  Not available.
Boiling Point:              4500 deg C @ 760.00mm Hg
Freezing/Melting Point:     2443 deg C
Autoignition Temperature:   Not available.
Flash Point:                Not available.
Explosion Limits, lower:    Not available.
Explosion Limits, upper:    Not available.
Decomposition Temperature:
Solubility:                 insoluble
Specific Gravity/Density:
Molecular Formula:          Ir
Molecular Weight:           192.20

                **** SECTION 10 - STABILITY AND REACTIVITY ****

    Chemical Stability:
         Stable under normal temperatures and pressures.
    Conditions to Avoid:
         Incompatible materials, ignition sources, dust generation, excess
         heat.
    Incompatibilities with Other Materials:
         Zinc, halogens, sodium peroxide, lead, tin, interhalogens, potassium
         hydroxide, nitrate, potassium sulfate, fluorine, chlorine.
    Hazardous Decomposition Products:
         Not available.
    Hazardous Polymerization: Will not occur.

               **** SECTION 11 - TOXICOLOGICAL INFORMATION ****

    RTECS#:
         CAS# 7439-88-5 unlisted.
    LD50/LC50:
         Not available.
    Carcinogenicity:
      IRIDIUM -
         Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
    Epidemiology:
         No data available.
    Teratogenicity:
         No data available.
    Reproductive Effects:
         No data available.
    Neurotoxicity:
         No data available.
    Mutagenicity:
         No data available.
    Other Studies:
         No data available.

                 **** SECTION 12 - ECOLOGICAL INFORMATION ****



                **** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

                 **** SECTION 14 - TRANSPORT INFORMATION ****

    US DOT
         Shipping Name: METAL POWDER, FLAMMABLE, N.O.S.
          Hazard Class: 4.1
             UN Number: 3089
         Packing Group: III
    Canadian TDG
         No information available.

                 **** SECTION 15 - REGULATORY INFORMATION ****

US FEDERAL
    TSCA
         CAS# 7439-88-5 is listed on the TSCA inventory.
         This material does not contain any Class 2 Ozone depletors.
    Clean Water Act:
         None of the chemicals in this product are listed as Hazardous
         Substances under the CWA.
         None of the chemicals in this product are listed as Priority
         Pollutants under the CWA.
         None of the chemicals in this product are listed as Toxic Pollutants
         under the CWA.
    OSHA:
         None of the chemicals in this product are considered highly hazardous
         by OSHA.
STATE
    IRIDIUM is not present on state lists from CA, PA, MN, MA, FL, or NJ.
    California No Significant Risk Level:
    None of the chemicals in this product are listed.
European/International Regulations
    European Labeling in Accordance with EC Directives
         Hazard Symbols: F
         Risk Phrases:
                      R 11  Highly flammable.
         Safety Phrases:
                      S 9  Keep container in a well-ventilated place.
                      S 16  Keep away from sources of ignition - No
                      smoking.
                      S 29  Do not empty into drains.
                      S 33  Take precautionary measures against static
                      discharges.
  WGK (Water Danger/Protection)
         CAS# 7439-88-5: 0
  United Kingdom Occupational Exposure Limits

  Canada
         CAS# 7439-88-5 is listed on Canada's DSL List.
         CAS# 7439-88-5 is not listed on Canada's Ingredient Disclosure List.
  Exposure Limits

                 **** SECTION 16 - ADDITIONAL INFORMATION ****

    MSDS Creation Date:  9/02/1997  Revision #1 Date:  8/02/2000

    The information above is believed to be accurate and represents the best
    information currently available to us. However, we make no warranty of
    merchantability or any other warranty, express or implied, with respect to
    such information, and we assume no liability resulting from its use. Users
    should make their own investigations to determine the suitability of the
    information for their particular purposes. In no way shall the company be
    liable for any claims, losses, or damages of any third party or for lost
    profits or any special, indirect, incidental, consequential or exemplary
    damages, howsoever arising, even if the company has been advised of
    the possibility of such damages.
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