MALLINCKRODT, INC. -- MAGNESIUM OXIDE  -- 6810-00-104-1893
<pre>=====================  Product Identification  =====================

Product ID:MAGNESIUM OXIDE
MSDS Date:01/18/1985
FSC:6810
NIIN:00-104-1893
=== Responsible Party ===
Company Name:MALLINCKRODT, INC.
Address:675 MC DONALD BLVD
Box:5840
City:ST. LOUIS
State:MO
ZIP:63134
Country:US
Info Phone Num:314-982-5000
Emergency Phone Num:314-982-5000
CAGE:DO886
=== Contractor Identification ===
Company Name:MALLINCKRODT INC
Address:675 MCDONNELL BLVD
Box:City:ST LOUIS
State:MO
ZIP:63134-5000
Country:US
Phone:314-895-2000/314-770-7860
CAGE:3T376
Company Name:MALLINCKRODT, INC.
Address:NONE SPECIFIED BY MANUFACTURER.
Box:M
City:PARIS
State:KY
ZIP:40361
Country:US
Phone:314-982-5000
CAGE:DO886

=============  Composition/Information on Ingredients  =============

Ingred Name:MAGNESIUM OXIDE
CAS:1309-48-4
RTECS #:OM3850000
Fraction by Wt: 100%
Other REC Limits:NONE SPECIFIED
OSHA PEL:15 MG/M3 PARTICULATE
ACGIH TLV:10 MG/M3;TDUST; 9293

=====================  Hazards Identification  =====================

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Explanation of Carcinogenicity:NONE OF THE COMPOUNDS IN THIS PRODUCT IS
    LISTED BY IARC, NTP, OR OSHA AS A CARCINOGEN.
Effects of Overexposure:MAY CAUSE IRRITATION OF EYES, SKIN, AND THE
    NASAL PASSAGES. INGESTION MAY CAUSE RAPID BOWEL EVACUATION.

=======================  First Aid Measures  =======================

First Aid:INHALATION:REMOVE TO FRESH AIR.GET MEDICAL HELP FOR ANY
    BREATHING DIFFICULTY. EYES:FLUSH WITH PLENTY OF WATER FOR 15
    MINUTES. GET MEDICAL ATTENTION.SKIN:WASH WITH SOAP AND WATER.IF
    IRRITATION PERSISTS , GET MED ATTN.INGESTION:GIVE SEVERAL GLASSES
    OF WATER TO DRINK TO DILUTE.IF LARGE AMOUNTS WERE SWALLOWED, GET
    MEDICAL ADVICE.

=====================  Fire Fighting Measures  =====================

Flash Point:NOT FLAMMABLE
Extinguishing Media:USE WATER FOG, CARBON DIOXIDE, FOAM, OR DRY
    CHEMICAL.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
    FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
    SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:FIRE OR EXCESSIVE HEAT MAY CAUSE
    PRODUCTION OF HAZARDOUS DECOMPOSITION PRODUCTS.

==================  Accidental Release Measures  ==================

Spill Release Procedures:VENTILATE AREA OF LEAK OR SPILL.CLEANUP
    PERSONNEL MAY REQUIRE PROTECTION FROM INHALATION OF DUST.SWEEP UP
    OR VACUUM FOR RECOVERY OR DISPOSAL.FLUSH RESIDUE WITH WATER.
Neutralizing Agent:NOT APPLICABLE.

======================	Handling and Storage  ======================

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL VENTILATED
    AREA. KEEP CONTAINERS TIGHTLY CLOSED WHEN NOT IN USE. AVOID DUST
    DISPERSAL.
Other Precautions:DO NOT TAKE INTERNALLY. DO NOT BREATHE MIST. AVOID
    PROLONGED OR REPEATED BREATHING OF VAPOR. AVOID CONTACT WITH EYES.
    USE WITH ADEQUATE VENTILATION. WASH THOROUGHLY AFTER HANDLING. FOR
    INDUSTRIAL USE  ONLY.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:IF VENTILATION DOES NOT MAINTAIN INHALATION
    EXPOSURES BELOW PEL(TLV), USE NIOSH/MSHA APPROVED DUST FILTER
    RESPIRATOR AS PER CURRENT 29 CFR 1910.134, INSTRUCTIONS/WARNINGS
    AND NIOSH-RESPIRATOR SELECTIO N.
Ventilation:MECHANICAL (GENERAL) ROOM VENTILATION IS NORMALLY ADEQUATE.
    LOCAL EXHAUST MAY BE REQUIRED IF WORK AREA NOT VENTED.
Protective Gloves:NEOPRENE, NITRILE, PVC OR NATURAL RUBBER
Eye Protection:SAFETY GOGGLES WITH OPTIONAL FACE SHIELD
Other Protective Equipment:EYE WASH STATION AND SAFETY SHOWER.
    INDUSTRIAL-TYPE WORK CLOTHING AND APRON AS REQUIRED.
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
    RECOMMENDED PROCEDURES. DO NOT WEAR CONTAMINATED CLOTHING OR
    FOOTWEAR.
Supplemental Safety and Health
AVOID PROLONGED OR REPEATED EXPOSURE. DO NOT GET ON SKIN OR IN EYES. DO
    NOT BREATHE VAPORS OR MISTS.

==================  Physical/Chemical Properties  ==================

HCC:N1
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:=3600.C, 6512.F
Melt/Freeze Pt:=2800.C, ######F
Decomp Temp:Decomp Text:NOT PROVIDED
Spec Gravity:3.22
Solubility in Water:SLIGHT
Appearance and Odor:BULKY WHITE POWDER AND ODORLESS

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
INTERHALOGENS, PHOSPHORUS PENTACHLORIDE, AND CHLORINE TRIFLUORIDE.
Stability Condition to Avoid:AVOID HUMID AREAS (ABSORBS WATER AND
    CARBON DIOXIDE FROM AIR)

====================  Disposal Considerations  ====================

Waste Disposal Methods:DISPOSAL SHOULD BE MADE IN ACCORDANCE WITH ALL
    APPLICABLE FEDERAL, STATE AND LOCAL LAWS AND REGULATIONS.

 Disclaimer (provided with this information by the compiling agencies):
 This information is formulated for use by elements of the Department
 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.