Product ID:2476, MAGNESIUM OXIDE
MSDS Date:03/17/1988
FSC:6810
NIIN:00N028394
MSDS Number: BNBGH

Emergency Phone: 201-859-2151;800-424-9300(CHEMTREC)

Info Phone: 201-859-2151

Cage: DO803

Telephone: 800-582-2537

Cage: 70829

MAGNESIUM OXIDE

CAS: 1309-48-4

RTECS: OM3850000

Fraction By Weight: 95-100%

OSHA PEL 15 MG/M3 PARTICULATE

ACGIH TLV: 10 MG/M3;TDUST; 9293

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION OF DUST MAY CAUSE
IRRITATION TO UPPER RESPIRATORY TRACT. INHALATION OF FUMES MAY
RESULT IN LEUKOCYTOSIS. CONTACT WITH SKIN OR EYES MAY CAUSE
IRRITATION. TARGET ORGANS: RESPIRATORY SYSTEM, L UNGS, EYES.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:RESPIRATORY SYSTEM DISEASE.

First Aid:CALL A PHYSICIAN. INGEST: DO NOT INDUCE VOMITING; IF
CONSCIOUS, GIVE LARGE AMOUNTS OF WATER. INHAL: REMOVE TO FRESH AIR.
IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS
DIFFICULT, GIVE OXYGEN. EYES: IMMEDIATELY FLUSH WITH PLENTY OF
WATER FOR AT LEAST 15 MIN. SKIN: FLUSH SKIN WITH WATER.

Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING
FIRE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

Spill Release Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE CLOTHING. WITH CLEAN SHOVEL, CAREFULLY PLACE MATERIAL
INTO CLEAN, DRY CONTAINER AND COVER; REMOVE FROM AREA. FLUSH SPILL
AREA WITH WATER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP CONTAINER TIGHTLY CLOSED.
SUITABLE FOR ANY GENERAL CHEMICAL STORAGE AREA.
Other Precautions:AVOID CONTACT WITH EYES, SKIN, CLOTHING. DO NOT
BREATHE DUST. USE WITH ADEQUATE VENTILATION.

Respiratory Protection:RESPIRATORY PROTECTION REQUIRED IF AIRBORNE
CONCENTRATION EXCEEDS TLV. AT CONCENTRATIONS UP TO 500 PPM, A
NIOSH/MSHA APPROVED HIGH-EFFECIENCY PARTICULATE RESPIRATOR IS
RECOMMENDED. ABOVE THIS LEVEL, A NIOSH/MSHA APPROVED SCBA IS
ADVISED.
Ventilation:USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV
REQUIREMENTS.
Protective Gloves:NEOPRENE GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:LAB COAT.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

HCC:N1
Boiling Pt:B.P. Text:6512F,3600C
Melt/Freeze Pt:M.P/F.P Text:5166F,2852C
Spec Gravity:3.60
Solubility in Water:NEGLIGIBLE (<0.1%)
Appearance and Odor:WHITE TO LIGHT-GRAY POWDER. ODORLESS.
Percent Volatiles by Volume:3

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS, BROMINE TRIFLUORIDE AND TRICHLORIDE, PHOSPHORUS
PENTACHLORIDE.
Stability Condition to Avoid:AIR, DUSTING.
Hazardous Decomposition Products:NONE IDENTIFIED.

Waste Disposal Methods:DISPOSE IN ACCORDANCE WITH ALL APPLICABLE
FEDERAL, STATE AND LOCAL ENVIRONMENTAL 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.