SIGMA-ALDRICH



                         Material Safety Data Sheet



                                               Date Printed: 08/JUN/2005

                                               Date Updated: 15/FEB/2005

                                                             Version 1.0

                                                 According to 91/155/EEC



Classified as Hazardous according to the criteria of EU Annex 1 and

NOHSC.



1 - Product and Company Information



Product Name                   IRIDIUM ATOMIC ABSORPTION STANDARD

                               SOLUTION (HCL)

Product Number                 207209



Company                        Sigma-Aldrich Pty. Ltd.

                               12 Anella Avenue

                               Castle Hill NSW 2154

                               Australia

Technical Phone #              +61 2 9841 0555 (1800 800 097)

Fax                            +61 2 9841 0500 (1800 800 096)

Emergency Phone #              +44 8701906777 (1800 448 465)



2 - Composition/Information on Ingredients



Product Name                         CAS #       EC no      Annex I

                                                            Index Number

IRIDIUM ATOMIC ABSORPTION            None        None       None

STANDARD SOLUTION (HCL)



Ingredient Name            Percent   CAS #       EC no      Annex I

                                                            Index Number

IRIDIUM(III) CHLORIDE,   0.15      10025-83-9 233-044-6     None

ANHYDROUS

Symbols: Xi

R-Phrases: 36/37/38

   Irritating to eyes, respiratory system and skin.



HYDROCHLORIC ACID        10        7647-01-0   231-595-7    017-002-01-X

Symbols: C

R-Phrases: 34 37

   Causes burns. Irritating to respiratory system.



3 - Hazards Identification



SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT

   Irritating to eyes, respiratory system and skin.





4 - First Aid Measures



AFTER INHALATION

   If inhaled, remove to fresh air. If breathing becomes difficult,

   call a physician.



AFTER SKIN CONTACT

   In case of skin contact, flush with copious amounts of water for

   at least 15 minutes. Remove contaminated clothing and shoes.

   Call a physician.

AFTER EYE CONTACT

   In case of contact with eyes, flush with copious amounts of

   water for at least 15 minutes. Assure adequate flushing by

   separating the eyelids with fingers. Call a physician.



AFTER INGESTION

   If swallowed, wash out mouth with water provided person is

   conscious. Call a physician.



5 - Fire Fighting Measures



EXTINGUISHING MEDIA

   Suitable: Carbon dioxide, dry chemical powder, or appropriate

   foam.



SPECIAL RISKS

   Specific Hazard(s): Emits toxic fumes under fire conditions.



SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS

   Wear self-contained breathing apparatus and protective clothing

   to prevent contact with skin and eyes.



6 - Accidental Release Measures



PROCEDURE(S) OF PERSONAL PRECAUTION(S)

   Wear respirator, chemical safety goggles, rubber boots, and

   heavy rubber gloves.



METHODS FOR CLEANING UP

   Absorb on sand or vermiculite and place in closed containers for

   disposal. Ventilate area and wash spill site after material

   pickup is complete.



7 - Handling and Storage



HANDLING

   Directions for Safe Handling: Do not breathe vapor. Do not get

   in eyes, on skin, on clothing.



STORAGE

   Conditions of Storage: Keep tightly closed.



SPECIAL REQUIREMENTS: May develop pressure. Open carefully.



8 - Exposure Controls / Personal Protection



ENGINEERING CONTROLS

   Safety shower and eye bath. Use only in a chemical fume hood.



GENERAL HYGIENE MEASURES

   Wash thoroughly after handling. Discard contaminated shoes. Wash

   contaminated clothing before reuse.



PERSONAL PROTECTIVE EQUIPMENT

   Respiratory Protection: Government approved respirator.

   Hand Protection: Compatible chemical-resistant gloves.

   Eye Protection: Chemical safety goggles.



9 - Physical and Chemical Properties



Appearance              Physical State: Clear liquid





ALDRICH - 207209               www.sigma-aldrich.com            Page   2

                        Color: Weaker brown-yellow



Property                Value                 At Temperature or Pressure



pH                      N/A

BP/BP Range             N/A

MP/MP Range             N/A

Flash Point             N/A

Flammability            N/A

Autoignition Temp       N/A

Oxidizing Properties    N/A

Explosive Properties    N/A

Explosion Limits        N/A

Vapor Pressure          N/A

SG/Density              1.05 g/cm3

Partition Coefficient   N/A

Viscosity               N/A

Vapor Density           N/A

Saturated Vapor Conc.   N/A

Evaporation Rate        N/A

Bulk Density            N/A

Decomposition Temp.     N/A

Solvent Content         N/A

Water Content           N/A

Surface Tension         N/A

Conductivity            N/A

Miscellaneous Data      N/A

Solubility              N/A



10 - Stability and Reactivity



STABILITY

   Stable: Stable.

   Materials to Avoid: Bases, Amines, Alkali metals Copper, Copper

   alloys, Aluminum.



HAZARDOUS DECOMPOSITION PRODUCTS

   Hazardous Decomposition Products: Hydrogen chloride gas.



HAZARDOUS POLYMERIZATION

   Hazardous Polymerization: Will not occur



11 - Toxicological Information



SIGNS AND SYMPTOMS OF EXPOSURE

   To the best of our knowledge, the chemical, physical, and

   toxicological properties have not been thoroughly investigated.



ROUTE OF EXPOSURE

   Skin Contact: Causes skin irritation.

   Skin Absorption: May be harmful if absorbed through the skin.

   Eye Contact: Causes eye irritation.

   Inhalation: May be harmful if inhaled. Material is irritating to

   mucous membranes and upper respiratory tract.

   Ingestion: May be harmful if swallowed.



12 - Ecological Information



No data available.



13 - Disposal Considerations







ALDRICH - 207209                 www.sigma-aldrich.com         Page    3

SUBSTANCE DISPOSAL

   Contact a licensed professional waste disposal service to dispose

   of this material. Observe all federal, state, and local

   environmental regulations.



14 - Transport Information



RID/ADR

   UN#: 1789

   Class: 8

   PG: II

   Proper Shipping Name: Hydrochloric acid



IMDG

   UN#: 1789

   Class: 8

   PG: II

   Proper Shipping Name: Hydrochloric acid

   Marine Pollutant: No

   Severe Marine Pollutant: No



IATA

   UN#: 1789

   Class: 8

   PG: II

   Proper Shipping Name: Hydrochloric acid

   Inhalation Packing Group I: No



15 - Regulatory Information



CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES

   INDICATION OF DANGER: Xi

     Irritant.

   R-PHRASES: 36/37/38

     Irritating to eyes, respiratory system and skin.

   S-PHRASES: 26

     In case of contact with eyes, rinse immediately with plenty of

     water and seek medical advice.



16 - Other Information



WARRANTY

   The above information is believed to be correct but does not

   purport to be all inclusive and shall be used only as a guide. The

   information in this document is based on the present state of our

   knowledge and is applicable to the product with regard to

   appropriate safety precautions. It does not represent any

   guarantee of the properties of the product. Sigma-Aldrich Inc.,

   shall not be held liable for any damage resulting from handling or

   from contact with the above product. See reverse side of invoice

   or packing slip for additional terms and conditions of sale.

   Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited

   paper copies for internal use only.



DISCLAIMER

   For R&D use only. Not for drug, household or other uses.









ALDRICH - 207209               www.sigma-aldrich.com          Page     4