SIGMA-ALDRICH



                         Material Safety Data Sheet



                                                  Date Printed: 01/DEC/2004

                                                  Date Updated: 13/MAR/2004

                                                                Version 1.3

                                                    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                     AZURE II

Product Number                   A2507



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

AZUR II (C.I. 52010/52015, S.#         37247-10-2   None        None

1038/1039)



Ingredient Name            Percent     CAS #        EC no       Annex I

                                                                Index Number

AZURE B (DIRECT            50          531-55-5     208-511-2   None

SYNTHESIS)



METHYLENE BLUE           50        61-73-4     200-515-2        None

Symbols: Xn

R-Phrases: 22 41

   Harmful if swallowed. Risk of serious damage to eyes.



Formula             C31H34Cl2N6S2



3 - Hazards Identification



SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT

   Harmful if swallowed. Risk of serious damage to eyes.





4 - First Aid Measures



AFTER INHALATION

   If inhaled, remove to fresh air. If not breathing give

   artificial respiration. If breathing is difficult, give oxygen.



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: Water spray. 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



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. Avoid contact

   with eyes, skin, and clothing. Avoid prolonged or repeated

   exposure.



STORAGE

   Conditions of Storage: Keep tightly closed.



8 - Exposure Controls / Personal Protection



ENGINEERING CONTROLS

   Safety shower and eye bath. Mechanical exhaust required.



GENERAL HYGIENE MEASURES

   Wash thoroughly after handling.



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







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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              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              Solubility in Water:Soluble.



10 - Stability and Reactivity



STABILITY

   Stable: Stable.

   Materials to Avoid: Strong oxidizing agents.



HAZARDOUS DECOMPOSITION PRODUCTS

   Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,

   Nitrogen oxides, Sulfur oxides, Hydrogen chloride gas.



HAZARDOUS POLYMERIZATION

   Hazardous Polymerization: Will not occur



11 - Toxicological Information



SIGNS AND SYMPTOMS OF EXPOSURE

   Absorption into the body leads to the formation of methemoglobin

   which in sufficient concentration causes cyanosis. Onset may be

   delayed 2 to 4 hours or longer. Exposure can cause: Stomach

   pains, vomiting, diarrhea. Nausea, dizziness, and headache.



ROUTE OF EXPOSURE

   Skin Contact: May cause skin irritation.

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

   Eye Contact: Causes severe eye irritation.

   Inhalation: Material may be irritating to mucous membranes and

   upper respiratory tract. May be harmful if inhaled.

   Ingestion: Harmful if swallowed.



TARGET ORGAN INFORMATION

   Blood. Central nervous system. Eyes.



12 - Ecological Information



No data available.





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13 - Disposal Considerations



SUBSTANCE DISPOSAL

   Contact a licensed professional waste disposal service to dispose

   of this material. Dissolve or mix the material with a combustible

   solvent and burn in a chemical incinerator equipped with an

   afterburner and scrubber. Observe all federal, state, and local

   environmental regulations.



14 - Transport Information



RID/ADR

   Non-hazardous for road transport.



IMDG

   Non-hazardous for sea transport.



IATA

   Non-hazardous for air transport.



15 - Regulatory Information



CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES

   INDICATION OF DANGER: Xn

     Harmful.

   R-PHRASES: 22 41

     Harmful if swallowed. Risk of serious damage to eyes.

   S-PHRASES: 26 39

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

     water and seek medical advice. Wear eye/face protection.



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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