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

MSDS Name: Azure a (cert)
Catalog Numbers:
    AC401630000, AC401630100, EK 120 6168, EK1206168
Synonyms:
    C.I. 52005; 3-Amino-7-(dimethylamino)phenothizin-5-ium chloride;
    7-(Dimethylamino)-3-amino-3H-phenothiazine hydrochloride
Company Identification:  Fisher Scientific
                        1 Reagent Lane
                        Fairlawn, NJ  07410
For information, call:  201-796-7100
Emergency Number:       201-796-7100
For CHEMTREC assistance, call: 800-424-9300
For International CHEMTREC assistance, call: 703-527-3887

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

+----------------+--------------------------------------+----------+-----------+
|      CAS#      |              Chemical Name           |    %     |  EINECS#  |
|----------------|--------------------------------------|----------|-----------|
|      531-53-3  |AZURE A                               |          | 208-510-7 |
+----------------+--------------------------------------+----------+-----------+
         Hazard Symbols: None Listed.
         Risk Phrases: None Listed.

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

                              EMERGENCY OVERVIEW
Appearance: Not available.
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: None known.

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:
         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 if irritation develops or persists. Flush skin with
         plenty of soap and water.
    Ingestion:
         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.
    Inhalation:
         Remove from exposure to fresh air immediately. Get medical aid if
         cough or other symptoms appear.
    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.
    Extinguishing Media:
         Use water spray, dry chemical, carbon dioxide, or chemical foam.
    Autoignition Temperature:Not available.
    Flash Point:           270 deg C ( 518.00 deg F)
    Explosion Limits, lower:Not available.
    Explosion Limits, upper:Not available.
    NFPA Rating:            Not published.

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

    General Information: Use proper personal protective equipment as indicated
                         in Section 8.
    Spills/Leaks:
         Sweep up or absorb material, then place into a suitable clean, dry,
         closed container for disposal. Avoid generating dusty conditions.

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

    Handling:
         Wash thoroughly after handling. Use with adequate ventilation. Avoid
         breathing dust, vapor, mist, or gas. 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:
         Use adequate ventilation to keep airborne concentrations low.

                                Exposure Limits
+--------------------+-------------------+-------------------+-----------------+
|   Chemical Name    |        ACGIH      |       NIOSH       |OSHA - Final PELs|
|--------------------|-------------------|-------------------|-----------------|
| AZURE A            |none listed        |none listed        |none listed      |
+--------------------+-------------------+-------------------+-----------------+

    OSHA Vacated PELs:
         AZURE A:
            No OSHA Vacated PELs are listed for this chemical.

    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 appropriate protective gloves to prevent skin
                      exposure.
            Clothing:
                      Wear appropriate protective clothing to prevent skin
                      exposure.
         Respirators:
                      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.

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

Physical State:             Solid
Appearance:                 Not available.
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:     290  deg C dec
Decomposition Temperature:
Solubility in water:        soluble in water (moderately)
Specific Gravity/Density:
Molecular Formula:          C14H14ClN3S
Molecular Weight:           291.79

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

    Chemical Stability:
         Stable under normal temperatures and pressures.
    Conditions to Avoid:
         Incompatible materials, dust generation.
    Incompatibilities with Other Materials:
         Strong oxidizing agents.
    Hazardous Decomposition Products:
         Hydrogen chloride, nitrogen oxides, carbon monoxide, oxides of
         sulfur, carbon dioxide.
    Hazardous Polymerization: Will not occur.

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

    RTECS#:
         CAS# 531-53-3: SP5660000
    LD50/LC50:
         Not available.
    Carcinogenicity:
      AZURE A -
         Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
    Epidemiology:
         No data available.
    Teratogenicity:
         No data available.
    Reproductive Effects:
         No data available.
    Neurotoxicity:
         No data available.
    Mutagenicity:
         No data available.
    Other Studies:
         No data available.

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

                **** 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# 531-53-3 is listed on the TSCA inventory.
       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
    AZURE A 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.
  WGK (Water Danger/Protection)
         CAS# 531-53-3: No information available.
  United Kingdom Occupational Exposure Limits

  Canada
         CAS# 531-53-3 is listed on Canada's DSL List.
         WHMIS: Not available.
         CAS# 531-53-3 is not listed on Canada's Ingredient Disclosure List.
  Exposure Limits

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

    MSDS Creation Date:  8/24/1997  Revision #1 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.