SIGMA-ALDRICH



                         Material Safety Data Sheet



                                               Date Printed: 14/NOV/2004

                                               Date Updated: 13/MAR/2004

                                                             Version 1.1

                                                 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                   AMMONIUM CERIUM(IV) NITRATE, 99.99+%

Product Number                 229547



Company                        Sigma-Aldrich Pty, Ltd

                               Unit 2, 14 Anella Avenue

                               Castle Hill NSW 1765

                               Australia

Technical Phone #              +61 2 9841 0555

Fax                            +61 2 9841 0500

Emergency Phone #              +61 2 9841 0566



2 - Composition/Information on Ingredients



Product Name                         CAS #        EC no       Annex I

                                                              Index Number

AMMONIUM CERIUM(IV) NITRATE          16774-21-3   240-827-6   None



Formula             (NH4)2Ce(NO3)6

Molecular Weight    548.23 AMU



3 - Hazards Identification



SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT

   Contact with combustible material may cause fire. 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.

   Contact with other material may cause fire. May accelerate

   combustion.



SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS

   Wear self-contained breathing apparatus and protective clothing

   to prevent contact with skin and eyes.



6 - Accidental Release Measures



PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL

   Evacuate area.



PROCEDURE(S) OF PERSONAL PRECAUTION(S)

   Wear self-contained breathing apparatus, rubber boots, and heavy

   rubber gloves.



METHODS FOR CLEANING UP

   Sweep up, place in a bag and hold for waste disposal. Avoid

   raising dust. Ventilate area and wash spill site after material

   pickup is complete.



7 - Handling and Storage



HANDLING

   Directions for Safe Handling: Do not breathe dust. Do not get in

   eyes, on skin, on clothing. Avoid prolonged or repeated exposure.



STORAGE

   Conditions of Storage: Keep tightly closed. Keep away from

   combustible materials, heat, sparks, and open flame.



SPECIAL REQUIREMENTS: Store under inert gas. Hygroscopic.



8 - Exposure Controls / Personal Protection



ENGINEERING CONTROLS

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



GENERAL HYGIENE MEASURES

   Wash thoroughly after handling. Remove and wash contaminated

   clothing promptly. Discard contaminated shoes.



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: Solid

                        Form: Fine crystals



Property                Value                 At Temperature or Pressure



pH                      N/A





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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              N/A

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.

   Conditions to Avoid: Protect from moisture.

   Materials to Avoid: Strong reducing agents, Organic materials,

   Finely powdered metals.



HAZARDOUS DECOMPOSITION PRODUCTS

   Hazardous Decomposition Products: Nitrogen oxides.



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: Material is irritating to mucous membranes and upper

   respiratory tract. May be harmful if inhaled.

   Ingestion: May be harmful if swallowed.



12 - Ecological Information



No data available.



13 - Disposal Considerations



SUBSTANCE DISPOSAL

   Contact a licensed professional waste disposal service to dispose

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

   environmental regulations.





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14 - Transport Information



RID/ADR

   UN#: 1477

   Class: 5.1

   PG: II

   Proper Shipping Name: Nitrates, inorganic, n.o.s.



IMDG

   UN#: 1477

   Class: 5.1

   PG: II

   Proper Shipping Name: Nitrates, inorganic, n.o.s.

   Marine Pollutant: No

   Severe Marine Pollutant: No

   Technical Name: Required



IATA

   UN#: 1477

   Class: 5.1

   PG: II

   Proper Shipping Name: Nitrates, inorganic, n.o.s.

   Inhalation Packing Group I: No

   Technical Name: Required



15 - Regulatory Information



CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES

   INDICATION OF DANGER: O Xi

     Oxidizing. Irritant.

   R-PHRASES: 8 36/37/38

     Contact with combustible material may cause fire. Irritating to

     eyes, respiratory system and skin.

   S-PHRASES: 17 26 36

     Keep away from combustible material. In case of contact with

     eyes, rinse immediately with plenty of water and seek medical

     advice. Wear suitable protective clothing.



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 2004 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.









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