Product ID:MAGNESIUM OXIDE
MSDS Date:01/01/1993
FSC:6810
NIIN:00-104-1893
MSDS Number: BRNZV

Emergency Phone: 800-424-9300 CHEMTREC

Info Phone: 909-683-5165

Preparer: JEANIE SINCLAIR

Cage: 0STM5

Telephone: 425-889-3400/425-889-3617

Cage: 0STM5

MAGNESIUM OXIDE

CAS: 1309-48-4

RTECS: OM3850000

Fraction By Weight: >99%

OSHA PEL 15 MG/M3 PARTICULATE

ACGIH TLV: 10 MG/M3;TDUST; 9293

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHALATION MAY CAUSE
RESPIRATORY IRRITATION. CONTACT WITH EYES MAY CAUSE IRRITATION.
INGESTION MAY CAUSE GI TRACT IRRITATION OR OBSTRUCTION. CHRONIC:
PROLONGED OR REPEATED EXPOSURE MAY CAUSE SK IN IRRITATION,
BRONCHITIS, REDUCED LUNGCAPACITY OR OTHER LUNG DISEASE.
Explanation of Carcinogenicity:MAGNESIUM OXIDE IS NOT LISTED AS A
CARCINOGEN BY NTP, IARC, OR OSHA.
Effects of Overexposure:INHALED: FEVER, NOSE BLEEDS, COUGHING,
WHEEZING, SHORTNESS OF BREATH, HEADACHE, NAUSEA, VOMITING, CHEST
PAIN, MUSCULAR PAIN, LEUKOCITOSIS. EYES: REDNESS, DISCOMFORT. SKIN:
RASH, DISCOMFORT. INGESTED: DIARRHEA, NAUSEA, VOMITING,
DEPRESSION,MUCULAR CONTRACTION, RESPIRATORY PARALYSIS.
Medical Cond Aggravated by Exposure:PRE-EXISTING RESPIRATORY DISEASE.

First Aid:INHALED: MOVE TO FRESH AIR. GIVE ARTIFICIAL RESPIRATION IF
NOT BREATHING. GET MEDICAL ATTENTION. EYES: FLUSH WITH LOTS OF
WATER FOR 15 MINUTES. SEE DOCTOR. SKIN: WASH WITH SOAP AND WATER.
APPLY SKIN L OTION. INGESTED: GET MEDICAL ATTENTION.

Flash Point:NONE
Extinguishing Media:MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
FULL PROTECTIVE GEAR.
Unusual Fire/Explosion Hazard:NONE

Spill Release Procedures:WEAR PROPER PROTECTIVE CLOTHING. SWEEP UP AND
DISPOSE OF IN DOT-APPROVED WASTE CONTAINERS.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN A COOL, DRY AREA AWAY FROM
INCOMPATIBLE MATERIALS. KEEP BAGS DRY AT ALL TIMES.
Other Precautions:WASH THOROUGHLY AFTER HANDLING. DO NOT GET IN EYES OR
ON SKIN OR ON CLOTHES.

Respiratory Protection:IF ENGINEERING CONTROLS FAIL OR EMERGENCY
OCCURS; USE NIOSH/MSHA APPROVED RESPIRATOR. USE IN ACCORDANCE WITH
29 CFR 1910.134.
Ventilation:USE LOCAL MECHANICAL EXHAUST TO MAINTAIN EXPOSURE BELOW
REGULATORY LIMITS.
Protective Gloves:RUBBER
Eye Protection:SAFETY GLASSES
Other Protective Equipment:LONG-SLEEVED SHIRT, TROUSERS, SAFETY SHOES.
EYE WASH STATION & SAFETY SHOWER.
Work Hygienic Practices:WASH HANDS AFTER USE AND BEFORE EATING,
DRINKING, OR SMOKING. LAUNDER CONTAMINATED CLOTHES BEFORE REUSE.
Supplemental Safety and Health

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:5072F,2800C
Spec Gravity:0.2-0.9
Solubility in Water:NEGLIGIBLE
Appearance and Odor:FINE WHITE POWDER; ODORLESS.

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, CHLORINE TRIFLUORIDE, PHOSPHORUS
PENTACHLORIDE, INTERHALOGENS.
Stability Condition to Avoid:TEMPERATURES ABOVE 5072F AND MOISTURE.
CONTACT WITH INCOMPATIBLE MATERIALS.
Hazardous Decomposition Products:MAGNESIUM OXIDE FUMES GENERATED IF
HEATED TO VOLITILZATION.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE AND
FEDERAL 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.