MSDS Name: Lead
Catalog Numbers:
    L18 500, L18-500, L18500, L246 500, L246-500, L246500, L27 1LB, L27-1LB,
    L271LB, S719571, NC9657609, XXL24625KG
    Lead Metal
Company Identification:  Biochemical Sciences, Inc.
                        200 Commodore Drive
                        Swedesboro, NJ  08085
For information, call:  800-524-0294
Emergency Number:       800-524-0294
For CHEMTREC assistance, call: 800-424-9300
For International CHEMTREC assistance, call: 703-527-3887


|      CAS#      |              Chemical Name           |    %     |  EINECS#  |
|     7439-92-1  |LEAD                                  |   99.8   | 231-100-4 |
         Hazard Symbols: T
         Risk Phrases: 20/22 33 61 62

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

                              EMERGENCY OVERVIEW
Harmful by inhalation and if swallowed. Danger of cumulative
effects. May cause harm to the unborn child. Possible risk of
impaired fertility.Dangerous to the environment.

Potential Health Effects
         Causes eye irritation.
         Causes skin irritation. May be absorbed through the skin.
         Causes gastrointestinal irritation with nausea, vomiting and
         diarrhea. Ingestion of lead compounds can cause toxic effects in the
         blood-forming organs, kidneys and central nervous system, Symptoms
         of lead poisoning or plumbism include weakness, weight loss,
         lassitude, insomnia, and hypotension. It also includes constipation,
         anorexia, abdominal discomfort and colic.
         May cause respiratory tract irritation. Inhalation of fumes may
         cause metal fume fever, which is characterized by flu-like symptoms
         with metallic taste, fever, chills, cough, weakness, chest pain,
         muscle pain and increased white blood cell count. May cause effects
         similar to those described for ingestion.
         Chronic exposure may cause reproductive disorders and teratogenic
         effects. Chronic exposure to lead may result in plumbism which is
         characterized by lead line in gum, headache, muscle weakness, mental

                   **** SECTION 4 - FIRST AID MEASURES ****

         Flush eyes with plenty of water for at least 15 minutes,
         occasionally lifting the upper and lower eyelids. Get medical aid.
         Get medical aid. Immediately flush skin with plenty of soap and
         water for at least 15 minutes while removing contaminated clothing
         and shoes. Discard contaminated clothing in a manner which limits
         further exposure.
         Get medical aid immediately. Do NOT induce vomiting. If conscious
         and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
         Remove from exposure to fresh air immediately. If not breathing,
         give artificial respiration. If breathing is difficult, give oxygen.
         Get medical aid.
    Notes to Physician:
         The use of Dimercaprol or BAL (British Anti-Lewisite) as a chelating
         agent should be determined by qualified medical personnel. The use of
         d-Penicillamine as a chelating agent should be determined by
         qualified medical personnel. The use of Calcium disodium EDTA as a
         chelating agent should be determined by qualified medical personnel.

                 **** 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. During a fire, irritating and highly toxic gases
         may be generated by thermal decomposition or combustion. Use
         extinguishing media appropriate to the surrounding fire. Substance is
         noncombustible. Dust can be an explosion hazard when exposed to heat
         or flame.
    Extinguishing Media:
         For small fires, use water spray, dry chemical, carbon dioxide or
         chemical foam. Substance is noncombustible; use agent most
         appropriate to extinguish surrounding fire.

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

    General Information: Use proper personal protective equipment as indicated
                         in Section 8.
         Vacuum or sweep up material and place into a suitable disposal
         container. Clean up spills immediately, observing precautions in the
         Protective Equipment section. Avoid generating dusty conditions.
         Provide ventilation.

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

         Wash thoroughly after handling. Wash hands before eating. Remove
         contaminated clothing and wash before reuse. Use with adequate
         ventilation. Minimize dust generation and accumulation. Avoid
         contact with eyes, skin, and clothing. Avoid ingestion and
         inhalation. Wash clothing before reuse.
         Store in a cool, dry place. Keep from contact with oxidizing
         materials. Keep containers tightly closed.


    Engineering Controls:
         Facilities storing or utilizing this material should be equipped
         with an eyewash facility and a safety shower. Use adequate general or
         local exhaust ventilation to keep airborne concentrations below the
         permissible exposure limits.
    Personal Protective Equipment

                      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.
                      Wear appropriate protective gloves and clothing to
                      prevent skin exposure.
                      Wear appropriate protective clothing to prevent skin
                      Follow the OSHA respirator regulations found in 29CFR
                      1910.134 or European Standard EN 149. Always use a
                      NIOSH or European Standard EN 149 approved respirator
                      when necessary.


Physical State:             Solid
Appearance:                 bluish white, silvery gray
Odor:                       none reported
pH:                         Not applicable.
Vapor Pressure:             1.3 mm Hg @ 970C
Vapor Density:              Not available.
Evaporation Rate:           Not applicable.
Viscosity:                  Not applicable.
Boiling Point:              1740 deg C
Freezing/Melting Point:     327.4 deg C
Autoignition Temperature:   Not available.
Flash Point:                Not available.
Explosion Limits, lower:    Not available.
Explosion Limits, upper:    Not available.
Decomposition Temperature:  Not available.
Solubility:                 Insoluble in water.
Specific Gravity/Density:   11.3
Molecular Formula:          Pb
Molecular Weight:           207.2

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

    Chemical Stability:
         Stable under normal temperatures and pressures.
    Conditions to Avoid:
         Dust generation, excess heat, strong oxidants.
    Incompatibilities with Other Materials:
         Strong oxidizing agents.
    Hazardous Decomposition Products:
         Lead/lead oxides.
    Hazardous Polymerization: Has not been reported.

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

         CAS# 7439-92-1: OF7525000
         Not available.
      LEAD -
              ACGIH: A3 - animal carcinogen
         California: carcinogen; initial date 10/1/92
               OSHA: Possible Select carcinogen
               IARC: Group 2B carcinogen
         There are several reports that certain lead compounds administered to
         animals in high doses are carcinogenic, primarily producing renal
         tumors. Salts demonstrating carcinogenicity in animals are usually
         soluble salts. Epidemiological studies have not shown a relationship
         between lead exposure and the incidence of cancer in lead workers.
         However, one study of lead-exposed workers demonstrated a
         statistically significant elevation in the standardized mortality
         ratio for gastric and lung cancer in battery plant workers only.
         Lead penetrates the placental barrier and has caused fetal
         abnormalities in animals. Excesssive exposure to lead during
         pregnancy has caused neurological disorders in infants.
    Reproductive Effects:
         Reproductive effects from lead have been documented in animals and
         human beings of both sexes. In battery workmen with a mean exposure
         of 8.5 years to lead, there was an increased frequency of sperm
         abnormalities as compared with a control group.
         Subtle neurologic effects have been demonstrated with relatively low
         blood levels of lead. The performance of lead workers on various
         neurophysiological tests was mildly reduced when compared with a
         control group. Anxiety, depression, poor concentration,
         forgetfulness, mild reductions in motor and sensory nerve conduction
         velociities have been documented in lead-exposed workers.
         No data available.
    Other Studies:
         No data available.

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

         LC50 Japanese quail (Coturnix japonica), males or females, 14 days
         old, oral (5-day adlibitum in diet) >5,000 ppm; at 1000, 2236 & 5000
         onset of toxic signs began at 7, 7 & 7 days and remissed at 11, 11 &
         12 days, respectively, no mortality was observed; control references
         were dieldrin & dicrotophos; corn oil diluent was added to diet at
         ratio of 2:98 by wt; (extreme concentrations: 1,000-5,000 ppm) /Lead
         metal, 100%.
         For more information, see "HANDBOOK OF ENVIRONMENTAL FATE AND
         EXPOSURE DATA."

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

Dispose of in a manner consistent with federal, state, and local regulations.

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

    US DOT
                        SOLID, N.O.S. (CONTAINS LEAD SHOT)
          Hazard Class: 9
             UN Number: UN3077
         Packing Group: III
    Canadian TDG
         No information available.

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

         CAS# 7439-92-1 is listed on the TSCA inventory.
         This material does not contain any Class 2 Ozone depletors.
    Clean Water Act:
         None of the chemicals in this product are listed as Hazardous
         Substances under the CWA.
         CAS# 7439-92-1 is listed as a Priority Pollutant under the Clean
         Water Act.
         CAS# 7439-92-1 is listed as a Toxic Pollutant under the Clean Water
         None of the chemicals in this product are considered highly hazardous
         by OSHA.
    LEAD can be found on the following state right to know lists:
    California, New Jersey, Florida, Pennsylvania, Minnesota,
    The following statement(s) is(are) made in order to comply with
    the California Safe Drinking Water Act:
    WARNING: This product contains LEAD, a chemical known to the state of
    California to cause cancer.
    WARNING: This product contains LEAD, a chemical known to the state
    of California to cause birth defects or other reproductive harm.
    California No Significant Risk Level:
    CAS# 7439-92-1: NOEL = 0.5 ug/day
European/International Regulations
    European Labeling in Accordance with EC Directives
         Hazard Symbols: T
         Risk Phrases:
                      R 20/22  Harmful by inhalation and if swallowed.
                      R 33  Danger of cumulative effects.
                      R 61  May cause harm to the unborn child.
                      R 62  Possible risk of impaired fertility.
         Safety Phrases:
  WGK (Water Danger/Protection)
         CAS# 7439-92-1: No information available.
  United Kingdom Occupational Exposure Limits

         CAS# 7439-92-1 is listed on Canada's DSL List.
         CAS# 7439-92-1 is listed on Canada's Ingredient Disclosure List.
  Exposure Limits
         CAS# 7439-92-1: OEL-FRANCE:TWA 150 mg/m3
         OEL-GERMANY:TWA 0.1 mg/m3
         OEL-POLAND:TWA 0.05 mg/m3

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

    MSDS Creation Date:  4/29/1999  Revision #2 Date:  8/02/2000

    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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