
MSDS - MANGANESE DIOXIDE

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   1 - PRODUCT IDENTIFICATION
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PRODUCT NAME:     MANGANESE DIOXIDE
FORMULA:          MNO2
FORMULA WT:          86.94
CAS NO.:           1313-13-9
NIOSH/RTECS NO.:  OP0350000
COMMON SYNONYMS:  BLACK MANGANESE OXIDE;  CEMENT BLACK;  MANGANESE (IV) OXIDE
PRODUCT CODES:    Z134,2526,8392,5308,2527,5298
  EFFECTIVE: 09/08/86     
  REVISION #02   

                            PRECAUTIONARY LABELLING
BAKER SAF-T-DATA(TM) SYSTEM

                      HEALTH        -  1  SLIGHT
                      FLAMMABILITY  -  0  NONE
                      REACTIVITY    -  1  SLIGHT
                      CONTACT       -  1  SLIGHT
HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD).

LABORATORY PROTECTIVE EQUIPMENT

SAFETY GLASSES; LAB COAT

PRECAUTIONARY LABEL STATEMENTS

                                   WARNING
                               CAUSES IRRITATION
                              HARMFUL IF INHALED
DURING USE AVOID CONTACT WITH EYES, SKIN, CLOTHING.  WASH THOROUGHLY AFTER
HANDLING.  WHEN NOT IN USE KEEP IN TIGHTLY CLOSED CONTAINER.

SAF-T-DATA(TM) STORAGE COLOR CODE:     ORANGE (GENERAL STORAGE)

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   2 - HAZARDOUS COMPONENTS
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                          COMPONENT                         %      CAS NO.

MANGANESE DIOXIDE                                        90-100  1313-13-9

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   3 - PHYSICAL DATA
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BOILING POINT:    N/A                         VAPOR PRESSURE(MM HG): N/A

MELTING POINT:      535 C (   995 F)          VAPOR DENSITY(AIR=1):  N/A

SPECIFIC GRAVITY:  5.02                       EVAPORATION RATE:      N/A
   (H2O=1)                                       (BUTYL ACETATE=1)

SOLUBILITY(H2O):     NEGLIGIBLE (LESS THAN 0.1 %)  % VOLATILES BY VOLUME: N/A

APPEARANCE & ODOR:  ODORLESS BLACK CRYSTALLINE POWDER.

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   4 - FIRE AND EXPLOSION HAZARD DATA
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FLASH POINT (CLOSED CUP   N/A

FLAMMABLE LIMITS:  UPPER - N/A  %       LOWER - N/A  %

FIRE EXTINGUISHING MEDIA
  USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING FIRE.

SPECIAL FIRE-FIGHTING PROCEDURES
  FIREFIGHTERS SHOULD WEAR PROPER PROTECTIVE EQUIPMENT AND SELF-CONTAINED
  (POSITIVE PRESSURE IF AVAILABLE) BREATHING APPARATUS WITH FULL FACEPIECE.
  MOVE EXPOSED CONTAINERS FROM FIRE AREA IF IT CAN BE DONE WITHOUT RISK.
  USE WATER TO KEEP FIRE-EXPOSED CONTAINERS COOL.

UNUSUAL FIRE & EXPLOSION HAZARDS
  STRONG OXIDIZER.  CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE.

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   5 - HEALTH HAZARD DATA
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TLV LISTED DENOTES CEILING LIMIT.

THRESHOLD LIMIT VALUE (TLV/TWA):   5    MG/M3 (       PPM)

CARCINOGENICITY:  NTP: NO     IARC: NO     Z LIST: NO     OSHA REG: NO

EFFECTS OF OVEREXPOSURE
  DUST MAY IRRITATE SKIN OR EYES.
  INHALATION OF EXCESSIVE AMOUNTS OF DUST MAY CAUSE NAUSEA, WEAKNESS,
  CHILLS, AND LOSS OF APPETITE.
  INHALATION OF DUST MAY CAUSE IRRITATION TO UPPER RESPIRATORY TRACT.
  INGESTION MAY CAUSE CENTRAL NERVOUS SYSTEM DEPRESSION.
  PROLONGED INHALATION OF MANGANESE IN THE FORM OF ITS INORGANIC COMPOUNDS
  MAY CAUSE MANGANISM.

TARGET ORGANS
  RESPIRATORY SYSTEM, CENTRAL NERVOUS SYSTEM, BLOOD, KIDNEYS

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
  NONE IDENTIFIED

ROUTES OF ENTRY
  INGESTION, INHALATION

EMERGENCY AND FIRST AID PROCEDURES
  INGESTION:     IF SWALLOWED AND THE PERSON IS CONSCIOUS, IMMEDIATELY GIVE
                    LARGE AMOUNTS OF WATER.  GET MEDICAL ATTENTION.
  INHALATION:    IF A PERSON BREATHES IN LARGE AMOUNTS, MOVE THE EXPOSED
                    PERSON TO FRESH AIR.  GET MEDICAL ATTENTION.
  EYE CONTACT:   IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR AT LEAST 15
                    MINUTES.  GET MEDICAL ATTENTION.
  SKIN CONTACT:  IMMEDIATELY WASH WITH PLENTY OF SOAP AND WATER FOR AT LEAST
                    15 MINUTES.

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   6 - REACTIVITY DATA
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STABILITY:  STABLE                 HAZARDOUS POLYMERIZATION:  WILL NOT OCCUR

CONDITIONS TO AVOID:    HEAT, FLAME, OTHER SOURCES OF IGNITION

INCOMPATIBLES:          STRONG OXIDIZING AGENTS, STRONG ACIDS,
                        STRONG REDUCING AGENTS, NITRATES,
                        COMBUSTIBLE MATERIALS, HYDROGEN PEROXIDE, AZIDES,
                        CHLORINE, CHLORATES, CHLORINE TRIFLUORIDE

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   7 - SPILL AND DISPOSAL PROCEDURES
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STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE
  WEAR SUITABLE PROTECTIVE CLOTHING.  KEEP COMBUSTIBLES (WOOD, PAPER, OIL,
  ETC.) AWAY FROM SPILLED MATERIAL.  WITH CLEAN SHOVEL, CAREFULLY PLACE
  MATERIAL INTO CLEAN, DRY CONTAINER AND COVER; REMOVE FROM AREA.  FLUSH
  SPILL AREA WITH WATER.

DISPOSAL PROCEDURE
  DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL
  ENVIRONMENTAL REGULATIONS.

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   8 - PROTECTIVE EQUIPMENT
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VENTILATION:             USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET
                         TLV REQUIREMENTS.

RESPIRATORY PROTECTION:  NONE REQUIRED WHERE ADEQUATE VENTILATION
                         CONDITIONS EXIST.  IF AIRBORNE CONCENTRATION
                         EXCEEDS TLV, A SELF-CONTAINED BREATHING APPARATUS
                         IS ADVISED.

EYE/SKIN PROTECTION:     SAFETY GOGGLES, UNIFORM, APRON, PROPER GLOVES ARE
                         RECOMMENDED.

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   9 - STORAGE AND HANDLING PRECAUTIONS
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SAF-T-DATA(TM) STORAGE COLOR CODE:     ORANGE (GENERAL STORAGE)

SPECIAL PRECAUTIONS
  KEEP CONTAINER TIGHTLY CLOSED.  STORE SEPARATELY AND AWAY FROM FLAMMABLE
  AND COMBUSTIBLE MATERIALS.

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  10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION
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DOMESTIC (D.O.T.)

PROPER SHIPPING NAME     CHEMICALS, N.O.S. (NON-REGULATED)

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME     CHEMICALS, N.O.S. (NON-REGULATED)

