Material Safety Data Sheet

                      acc. to OSHA and ANSI





�       1 Identification of substance:





    �   Product details:



    �   Product name: TUNGSTEN(IV) SULFIDE, POWDER



    �   Stock number: 5565YD



    �   Manufacturer/Supplier:

        Nanostructured & Amorphous Materials, Inc.

        16840 Clay Road, Suite #113

        Houston, TX 77084, USA



�       2 Composition/Data on components:





    �   Chemical characterization:

                   Description: (CAS#)



        Tungsten Sulfide (CAS# 12138-09-9); 99.5%

    �   Formula: WS2



�       3 Hazards identification



    �   EMERGENCY OVERVIEW

        Irritant.

        Irritating to eyes, respiratory system and skin.



    �   For additional information on toxicity, please refer

        to Section 11.



�       4 First aid measures



    ORAL EXPOSURE

       If swallowed, wash out mouth with water provided

       person is conscious. Call a physician.

    INHALATION EXPOSURE

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

       artificial respiration. If breathing is difficult,

       give oxygen.

    DERMAL EXPOSURE

       In case of contact, immediately wash skin with soap

       and copious amounts of water.

    EYE EXPOSURE

       In case of contact, immediately flush eyes with

       copious amounts of water for at least 15 minutes.

�     5 Fire fighting measures

      FLASH POINT

             N/A

      AUTOIGNITION TEMP

             N/A

      FLAMMABILITY

             N/A

      EXTINGUISHING MEDIA

            Suitable: Carbon dioxide, dry chemical powder, or

            appropriate foam.

      FIREFIGHTING

            Protective Equipment: Wear self-contained

            breathing apparatus and protective clothing to

            prevent contact with skin and eyes.

            Specific Hazard(s): Emits toxic fumes under fire

      conditions.

      EXPOSURE HAZARD(S)

            Material: Irritant.

�     6 Accidental release measures

      PROCEDURE TO BE FOLLOWED IN CASE OF LEAK OR SPILL

           Evacuate area.

      PROCEDURE(S) OF PERSONAL PRECAUTION(S)

           Wear respirator, chemical safety goggles, 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

           User Exposure: Do not breathe dust. Avoid contact

           with eyes, skin, and clothing. Avoid prolonged or

           repeated exposure.

      STORAGE

           Suitable: Keep tightly closed. Store in a cool

          dry place.

�    8 Exposure controls and personal protection

     ENGINEERING CONTROLS

          Safety shower and eye bath. Mechanical exhaust

required.

     PERSONAL PROTECTIVE EQUIPMENT

          Other: Wear appropriate government approved

          respirator, chemical-resistant gloves, safety

          goggles, other protective clothing.

     GENERAL HYGIENE MEASURES

          Wash thoroughly after handling. Wash contaminated

          clothing before reuse.

�    9 Physical and chemical   properties:

     Molecular Weight          247.98 AMU

     pH                        N/A

     BP/BP Range               N/A

     MP/MP Range               N/A

     Freezing Point            N/A

     Vapor Pressure            N/A

     Vapor Density             N/A

     Saturated Vapor Conc.     N/A

     SG/Density                7.5 g/cm3

     Bulk Density              N/A

     Odor Threshold            N/A

     Volatile%                 N/A

     VOC Content               N/A

     Water Content             N/A

     Solvent Content           N/A

     Evaporation Rate          N/A

     Viscosity                 N/A

     Surface Tension           N/A

     Partition Coefficient     N/A

     Decomposition Temp.       N/A

     Flash Point               N/A

     Explosion Limits          N/A

     Flammability              N/A

     Auto ignition Temp        N/A

     Refractive Index          N/A

     Optical Rotation          N/A

     Miscellaneous Data        N/A

     Solubility                N/A

     N/A = not available

�   10 Stability and reactivity

     STABILITY

          Materials to Avoid: Strong acids.

     HAZARDOUS DECOMPOSITION PRODUCTS

         Hazardous Decomposition Products: Sulfur oxides,

         Hydrogen sulfide gas.

�   11 Toxicological information



     ROUTE OF EXPOSURE

         Inhalation: Material is irritating to mucous

         membranes and upper respiratory tract.

         Multiple Routes: Causes eye and skin irritation.

         May be harmful by inhalation, ingestion, or skin

         absorption.

     SIGNS AND SYMPTOMS OF EXPOSURE

         To the best of our knowledge, the chemical,

         physical, and toxicological properties have not

         been thoroughly investigated.

�   12 Ecological information:

     No data available.

�   13 Disposal considerations

     APPROPRIATE METHOD OF DISPOSAL OF SUBSTANCE OR

PREPARATION

          Bury in a landfill site approved for the disposal

          of chemical and hazardous wastes. Observe all

          federal, state, and local environmental

          regulations.

�   14 Transport information

     DOT

          Proper Shipping Name: None

          Non-Hazardous for Transport: This substance is

          considered to be non-hazardous for transport.

     IATA

          Non-Hazardous for Air Transport: Non-hazardous for

          air transport.

�   15 Regulations

     EU ADDITIONAL CLASSIFICATION

          Symbol of Danger: Xi

          Indication of Danger: Irritant.

          R: 36/37/38

          Risk Statements: Irritating to eyes, respiratory

          system and skin.

          S: 26-37/39

          Safety Statements: In case of contact with eyes,

          rinse immediately with plenty of water and seek

          medical advice. Wear suitable gloves and eye/face

          protection.

     US CLASSIFICATION AND LABEL TEXT

         Indication of Danger: Irritant.

         Risk Statements: Irritating to eyes, respiratory

         system and skin.

         Safety Statements: In case of contact with eyes,

         rinse immediately with plenty of water and seek

         medical advice. Wear suitable gloves and eye/face

         protection.

     UNITED STATES REGULATORY INFORMATION

         SARA LISTED: No

     CANADA REGULATORY INFORMATION

         WHMIS Classification: This product has been

         classified in accordance with the hazard criteria

         of the CPR, and the MSDS contains all the

         information required by the CPR.

         DSL: Yes

         NDSL: No

�   16 Other information:



     Employers should use this information only as a

     supplement to other information gathered by them, and

     should make independent judgment of suitability of

     this information to ensure proper use and protect the

     health and safety of employees. This information is

     furnished without warranty, and any use of the product

     not in conformance with this Material Safety Data

     Sheet, or in combination with any other product or

     process, is the responsibility of the user.