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                      **** MATERIAL SAFETY DATA SHEET ****

  Dimethylsulfoxide
07770

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

MSDS Name: Dimethylsulfoxide
Catalog Numbers:
     BP/D200, BPE231-1, BPE231-4, D/4127, D/4128, D/4129, D/4130
Synonyms:
     Methyl sulfoxide, DMSO, sulfinylbis(methane)
Company Identification:  Fisher Scientific UK
                         Bishop Meadow Road
                         Loughborough, Leicestershire
                         LE11 5RG, UK
For information, call:   01509 231166
For emergencies, call:   01509 231166

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

+----------------+--------------------------------------+----------+-----------+-----------+---------------+
|      CAS#      |              Chemical Name           |    %     |  EINECS#  |Haz Symbols| Risk Phrases  |
|----------------|--------------------------------------|----------|-----------|-----------|---------------+
|       67-68-5  |Methane, sulfinylbis-                 |   100    | 200-664-3 |||
+----------------+--------------------------------------+----------+-----------+-----------+---------------+
          Hazard Symbols: None Listed.
          Risk Phrases: None Listed.

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

                               EMERGENCY OVERVIEW
Not available.

Potential Health Effects
     Eye:
          Produces irritation, characterized by a burning sensation, redness,
          tearing, inflammation, and possible corneal injury.
     Skin:
          May cause irritation with burning pain, itching and redness.
          Substance is rapidly absorbed through the skin.
     Ingestion:
          Ingestion of large amounts may cause gastrointestinal irritation.
     Inhalation:
          May cause respiratory tract irritation.
     Chronic:
          Prolonged or repeated skin contact may cause dermatitis.

                    **** 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. Flush skin with plenty of water for at least 15
          minutes while removing contaminated clothing and shoes.
     Ingestion:
          Do not induce vomiting. 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 immediately.
     Inhalation:
          Remove from exposure and move to fresh air immediately. If not
          breathing, give artificial respiration. If breathing is difficult,
          give oxygen. Get medical aid.
     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. Vapors may form an explosive mixture with air.
     Extinguishing Media:
          For small fires, use dry chemical, carbon dioxide, water spray or
          alcohol-resistant foam.

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

     General Information: Use proper personal protective equipment as indicated
                          in Section 8.
     Spills/Leaks:
          Absorb spill with inert material (e.g. vermiculite, sand or earth),
          then place in suitable container. Do not flush into a sewer. Remove
          all sources of ignition.

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

     Handling:
          Use with adequate ventilation. Avoid contact with eyes, skin, and
          clothing. Keep container tightly closed. Avoid ingestion and
          inhalation.
     Storage:
          Keep away from heat, sparks, and flame. Keep from contact with
          oxidizing materials. 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 impervious gloves.
             Clothing:
                       Wear appropriate protective clothing to minimize
                       contact with skin.
          Respirators:
                       Follow the OSHA respirator regulations found in 29
                       CFR 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:             Liquid
Color:                      Colorless liquid
Odor:                       Odorless.
pH:                         Not available.
Vapor Pressure:             0.4 mm Hg at 20
Viscosity:                  Not available.
Boiling Point:              372 deg F
Freezing/Melting Point:     65.2 deg F
Autoignition Temperature:   419 deg F ( 215.00 deg C)
Flash Point:                184 deg F ( 84.44 deg C)
Explosion Limits, lower:    2.6
Explosion Limits, upper:    42
Decomposition Temperature:  Not available.
Solubility in water:        Completely soluble in water.
Specific Gravity/Density:   1.1 (water=1)
Molecular Formula:          C2H6OS
Molecular Weight:           73.0551

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

     Chemical Stability:
          Stable.
     Conditions to Avoid:
          Incompatible materials, strong oxidants.
     Incompatibilities with Other Materials:
          Reacts dangerously with strong oxidizing agents; nonmetal bromide,
          tolyl chloride, perchloric acid, and periodic acid.
     Hazardous Decomposition Products:
          Carbon monoxide, oxides of sulfur, carbon dioxide.
     Hazardous Polymerization: Has not been reported.

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

     RTECS#:
          CAS# 67-68-5: PV6210000
     LD50/LC50:
          CAS# 67-68-5: Draize test, rabbit, eye: 100 mg; Draize test, rabbit,
          eye: 500 mg/24H Mild; Draize test, rabbit, skin: 500 mg/24H Mild;
          Oral, mouse: LD50 = 7920 mg/kg; Oral, rat: LD50 = 14500 mg/kg; Skin,
          rat: LD50 = 40 gm/kg.
     Carcinogenicity:
       Methane, sulfinylbis- -
          Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
          See actual entry in RTECS for complete information.

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

     Other
          No information available.

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

Products which are considered hazardous for supply are classified as Special
Waste and the disposal of such chemicals is covered by regulations which may
vary according to location.  Contact a specialist disposal company or the local
waste regulator for advice.  Empty containers must be decontaminated before
returning for recycling.

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

     IATA
          Shipping Name: ETHANOL
           Hazard Class: 3.2
              UN Number: 1170
          Packing Group: II
     IMO
          Shipping Name: ETHANOL
           Hazard Class: 3.2
              UN Number: 1170
          Packing Group: II
     RID/ADR
          Shipping Name: ETHANOL
           Hazard Class: 3
              UN Number: 1170
          Packing group: II

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

 European/International Regulations
     European Labeling in Accordance with EC Directives
          Hazard Symbols: Not available.
          Risk Phrases:
          Safety Phrases:
   WGK (Water Danger/Protection)
          CAS# 67-68-5: 1
   United Kingdom Occupational Exposure Limits

   United Kingdom Maximum Exposure Limits

   Canada
          CAS# 67-68-5 is listed on Canada's DSL List.
          CAS# 67-68-5 is listed on Canada's Ingredient Disclosure List.
   Exposure Limits
          CAS# 67-68-5: OEL-RUSSIA:STEL 20 mg/m3
          OEL-SWITZERLAND:TWA 50 ppm (160 mg/m3);Skin
 US FEDERAL
     TSCA
          CAS# 67-68-5 is listed on the TSCA inventory.

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

     MSDS Creation Date:  1/12/1995  Revision #0 Date: Original.

     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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