MSDS - BARIUM CARBONATE

------------------------------------------------------------------------------
   1 - PRODUCT IDENTIFICATION
------------------------------------------------------------------------------

PRODUCT NAME:     BARIUM CARBONATE
FORMULA:          BACO3
FORMULA WT:         197.35
CAS NO.:            513-77-9
NIOSH/RTECS NO.:  CQ8750000
PRODUCT CODES:    5181,0952,0950,5313,5095,5142
  EFFECTIVE: 05/12/86     
  REVISION #01   

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

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

LABORATORY PROTECTIVE EQUIPMENT

GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES

PRECAUTIONARY LABEL STATEMENTS

                                   WARNING
                        HARMFUL IF SWALLOWED OR INHALED
                               CAUSES IRRITATION
AVOID CONTACT WITH EYES, SKIN, CLOTHING.
KEEP IN TIGHTLY CLOSED CONTAINER.  WASH THOROUGHLY AFTER HANDLING.

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

------------------------------------------------------------------------------
   2 - HAZARDOUS COMPONENTS
------------------------------------------------------------------------------

                          COMPONENT                         %      CAS NO.

                        NOT APPLICABLE

------------------------------------------------------------------------------
   3 - PHYSICAL DATA
------------------------------------------------------------------------------

BOILING POINT:    N/A                         VAPOR PRESSURE(MM HG): N/A

MELTING POINT:     1300 C (  2372 F)          VAPOR DENSITY(AIR=1):  N/A

SPECIFIC GRAVITY:  4.28                       EVAPORATION RATE:      N/A
   (H2O=1)                                       (BUTYL ACETATE=1)

SOLUBILITY(H2O):     NEGLIGIBLE (LESS THAN 0.1 %)  % VOLATILES BY VOLUME: 0


APPEARANCE & ODOR:  WHITE TO CREAM-COLORED POWDER WITHOUT AN ODOR.

------------------------------------------------------------------------------
   4 - FIRE AND EXPLOSION HAZARD DATA
------------------------------------------------------------------------------

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
  BREATHING APPARATUS WITH FULL FACEPIECE OPERATED IN POSITIVE PRESSURE MODE.

TOXIC GASES PRODUCED
  CARBON MONOXIDE, CARBON DIOXIDE

------------------------------------------------------------------------------
   5 - HEALTH HAZARD DATA
------------------------------------------------------------------------------


TOXICITY:   LD50 (ORAL-RAT)(MG/KG)          -  630

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

EFFECTS OF OVEREXPOSURE
  DUST MAY IRRITATE SKIN OR EYES.
  INHALATION OF DUST MAY CAUSE IRRITATION TO UPPER RESPIRATORY TRACT.
  INGESTION MAY CAUSE NAUSEA AND VOMITING.
  INGESTION MAY CAUSE GASTROINTESTINAL PAIN.
  CHRONIC EFFECTS OF BARIUM COMPOUNDS MAY INCLUDE BRONCHIAL IRRITATION,
  DEGENERATION OF CENTRAL NERVOUS SYSTEM, AND DAMAGE TO SPLEEN,
  LIVER, AND BONE MARROW.

TARGET ORGANS
  NONE IDENTIFIED

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
  NONE IDENTIFIED

ROUTES OF ENTRY
  NONE INDICATED

EMERGENCY AND FIRST AID PROCEDURES
  CALL A PHYSICIAN.
  IF SWALLOWED, IF CONSCIOUS, GIVE LARGE AMOUNT OF MILK, MILK OF MAGNESIA,
  OR WHITES OF EGGS BEATEN WITH WATER.  INDUCE VOMITING.
  IF INHALED, REMOVE TO FRESH AIR.  IF NOT BREATHING, GIVE ARTIFICIAL
  RESPIRATION.  IF BREATHING IS DIFFICULT, GIVE OXYGEN.
  IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH PLENTY OF WATER FOR AT
  LEAST 15 MINUTES.  FLUSH SKIN WITH WATER.

------------------------------------------------------------------------------
   6 - REACTIVITY DATA
------------------------------------------------------------------------------

STABILITY:  STABLE                 HAZARDOUS POLYMERIZATION:  WILL NOT OCCUR

CONDITIONS TO AVOID:    NONE DOCUMENTED

INCOMPATIBLES:          STRONG ACIDS

DECOMPOSITION PRODUCTS: CARBON MONOXIDE, CARBON DIOXIDE

------------------------------------------------------------------------------
   7 - SPILL AND DISPOSAL PROCEDURES
------------------------------------------------------------------------------

STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE
  WEAR SELF-CONTAINED BREATHING APPARATUS AND FULL PROTECTIVE CLOTHING.
  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.

EPA HAZARDOUS WASTE NUMBER:          D005 (EP TOXIC WASTE)

------------------------------------------------------------------------------
   8 - PROTECTIVE EQUIPMENT
------------------------------------------------------------------------------

VENTILATION:             USE ADEQUATE GENERAL OR LOCAL EXHAUST VENTILATION
                         TO KEEP FUME OR DUST LEVELS AS LOW AS POSSIBLE.

RESPIRATORY PROTECTION:  NONE REQUIRED WHERE ADEQUATE VENTILATION
                         CONDITIONS EXIST.  IF AIRBORNE CONCENTRATION IS
                         HIGH, USE AN APPROPRIATE RESPIRATOR OR DUST MASK.

EYE/SKIN PROTECTION:     SAFETY GLASSES WITH SIDESHIELDS, PROPER GLOVES ARE
                         RECOMMENDED.

------------------------------------------------------------------------------
   9 - STORAGE AND HANDLING PRECAUTIONS
------------------------------------------------------------------------------

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

SPECIAL PRECAUTIONS
  KEEP CONTAINER TIGHTLY CLOSED.  SUITABLE FOR ANY GENERAL CHEMICAL STORAGE
  AREA.


------------------------------------------------------------------------------
  10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION
------------------------------------------------------------------------------

DOMESTIC (D.O.T.)

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

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME     BARIUM COMPOUNDS, N.O.S. (BARIUM CARBONATE)
HAZARD CLASS             6.1
UN/NA                    UN1564
LABELS                   HARMFUL - STOW AWAY FROM FOOD STUFFS