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

MSDS Name: Jenner stain, high purity biological stain
Catalog Numbers:
    AC229760000, AC229760250
Synonyms:
    None listed.
Company Identification (Europe):  Acros Organics BVBA
                                 Janssen Pharmaceuticalaan 3a
                                 2440 Geel, Belgium
Company Identification (USA):     Acros Organics
                                 One Reagent Lane
                                 Fairlawn, NJ  07410
For information in North America, call:   800-ACROS-01
For information in Europe, call:          0032(0) 14575211
For emergencies in the US, call CHEMTREC: 800-424-9300
For emergencies in Europe, call:     0032(0) 14575299

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

+----------------+--------------------------------------+----------+-----------+
|      CAS#      |              Chemical Name           |    %     |  EINECS#  |
|----------------|--------------------------------------|----------|-----------|
|    62851-42-7  |Jenner Stain, high purity biological s|   100    | unlisted  |
|                |tain                                  |          |           |
+----------------+--------------------------------------+----------+-----------+
         Hazard Symbols: None Listed.
         Risk Phrases: None Listed.

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

                              EMERGENCY OVERVIEW
Appearance:  dark green.
Caution! The toxicological properties of this material have not been
fully investigated. May cause eye and skin irritation. May cause
respiratory and digestive tract irritation.
Target Organs: No data found.

Potential Health Effects
    Eye:
         May cause eye irritation.
    Skin:
         May cause skin irritation.
    Ingestion:
         May cause irritation of the digestive tract. The toxicological
         properties of this substance have not been fully investigated.
    Inhalation:
         May cause respiratory tract irritation. The toxicological properties
         of this substance have not been fully investigated.
    Chronic:
         No information found.

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

    Eyes:
         Immediately 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 soap and water for n. Get medical
         aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and
         drink 2-4 cupfuls of milk or water.
    Inhalation:
         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:
         Treat symptomatically and supportively.

                 **** 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.
    Extinguishing Media:
         Use agent most appropriate to extinguish fire. Use water spray, dry
         chemical, carbon dioxide, or appropriate foam.
    Autoignition Temperature:Not available.
    Flash Point:           Not available.
    Explosion Limits, lower:Not available.
    Explosion Limits, upper:Not available.
    NFPA Rating: (estimated) Health: ; Flammability: ; Reactivity: 0

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

    General Information: Use proper personal protective equipment as indicated
                         in Section 8.
    Spills/Leaks:
         Clean up spills immediately, observing precautions in the Protective
         Equipment section. Sweep up, then place into a suitable container for
         disposal. Avoid generating dusty conditions. Provide ventilation.

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

    Handling:
         Wash thoroughly after handling. Remove contaminated clothing and
         wash before reuse. Use with adequate ventilation. Avoid contact with
         eyes, skin, and clothing. Keep container tightly closed. Avoid
         ingestion and inhalation.
    Storage:
         Store in a tightly closed container. Store in a cool, dry,
         well-ventilated area away from incompatible substances.

         **** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

    Engineering Controls:
         Facilities storing or utilizing this material should be equipped
         with an eyewash facility and a safety shower. Use adequate
         ventilation to keep airborne concentrations low.

                                Exposure Limits
+--------------------+-------------------+-------------------+-----------------+
|   Chemical Name    |        ACGIH      |       NIOSH       |OSHA - Final PELs|
|--------------------|-------------------|-------------------|-----------------|
| Jenner Stain, high |none listed        |none listed        |none listed      |
| purity biological s|                   |                   |                 |
| tain               |                   |                   |                 |
+--------------------+-------------------+-------------------+-----------------+

    OSHA Vacated PELs:
       &                      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 appropriate protective gloves to prevent skin
                      exposure.
            Clothing:
                      Wear appropriate protective clothing to prevent skin
                      exposure.
         Respirators:
                      A respiratory protection program that meets OSHA's 29
                      CFR :1910.134 and ANSI Z88.2 requirements or European
                      Standard EN 149 must be followed whenever workplace
                      conditions warrant a respirator's use.

            **** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State:             Crystalline powder
Appearance:                 dark green
Odor:                       None reported.
pH:                         Not available.
Vapor Pressure:             Not available.
Vapor Density:              Not available.
Evaporation Rate:           Not available.
Viscosity:                  Not available.
Boiling Point:              Not available.
Freezing/Melting Point:     Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula:
Molecular Weight:

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

    Chemical Stability:
         Stable under normal temperatures and pressures.
    Conditions to Avoid:
         Incompatible materials, strong oxidants.
    Incompatibilities with Other Materials:
         Oxidizing agents.
    Hazardous Decomposition Products:
         Carbon monoxide, irritating and toxic fumes and gases, carbon
         dioxide.
    Hazardous Polymerization: Has not been reported.

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

    RTECS#:
         CAS# 62851-42-7 unlisted.
    LD50/LC50:
         Not available.
    Carcinogenicity:
      Jenner Stain, high purity biological stain -
         Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
    Epidemiology:
         No information available.
    Teratogenicity:
         No information available.
    Reproductive Effects:
         No information available.
    Neurotoxicity:
         No information available.
                **** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Chemical waste generators must determine whether a discarded chemical
is classified as a hazardous waste.
US EPA guidelines for the classification determination are listed in
40 CFR Parts 261.3. Additionally, waste generators must consult state
and local hazardous waste regulations to ensure complete and accurate
classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.

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

    US DOT
         No information available
    Canadian TDG
         No information available.

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

US FEDERAL
    TSCA
         CAS# 62851-42-7 is not listed on the TSCA inventory.
         It is for research and development use only.
       Health & Safety Reporting List
         None of the chemicals are on the Health & Safety Reporting List.
       Chemical Test Rules
         None of the chemicals in this product are under a Chemical Test Rule.
       Section 12b
         None of the chemicals are listed under TSCA Section 12b.
       TSCA Significant New Use Rule
         None of the chemicals in this material have a SNUR under TSCA.
    SARA
       Section 302 (RQ)
         None of the chemicals in this material have an RQ.
       Section 302 (TPQ)
         None of the chemicals in this product have a TPQ.
       Section 313
         No chemicals are reportable under Section 313.
    Clean Air Act:
         This material does not contain any hazardous air pollutants.
         This material does not contain any Class 1 Ozone depletors.
         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.
         None of the chemicals in this product are listed as Priority
         Pollutants under the CWA.
         None of the chemicals in this product are listed as Toxic Pollutants
         under the CWA.
    OSHA:
         None of the chemicals in this product are considered highly hazardous
         by OSHA.
STATE
    Jenner Stain, high purity biological stain is not present on state
    lists from CA, PA, MN, MA, FL, or NJ.
    California No Significant Risk Level:
    None of the chemicals in this product are listed.
European/International Regulations
    European Labeling in Accordance with EC Directives
         Hazard Symbols: Not available.
         Risk Phrases:
         Safety Phrases:
                      S 24/25  Avoid contact with skin and eyes.
                      S 28A  After contact with skin, wash immediately with
                      plenty of water.
                      S 37  Wear suitable gloves.
                      S 45  In case of accident or if you feel unwell, seek
               tt>  United Kingdom Occupational Exposure Limits

  Canada
         None of the chemicals in this product are listed on the DSL/NDSL list.
         WHMIS: Not available.
         CAS# 62851-42-7 is not listed on Canada's Ingredient Disclosure List.
  Exposure Limits

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

    MSDS Creation Date:  9/02/1997  Revision #3 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.