Product ID:MAGNESIUM OXIDE
MSDS Date:01/18/1985
FSC:6810
NIIN:00-104-1893
MSDS Number: BJDRR

Emergency Phone: 314-982-5000

Info Phone: 314-982-5000

Cage: DO886

Telephone: 314-982-5000

Cage: DO886

MAGNESIUM OXIDE

CAS: 1309-48-4

RTECS: OM3850000

Fraction By Weight: 100%

OSHA PEL 15 MG/M3 PARTICULATE

ACGIH TLV: 10 MG/M3;TDUST; 9293

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: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.

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.

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 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.

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.

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 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)

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.