Product ID:2477, MAGNESIUM OXIDE
MSDS Date:03/17/1988
FSC:6810
NIIN:00N028396
MSDS Number: BMXVH

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

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:TARGET ORGANS: RESPIRATORY SYSTEM,
LUNGS & EYES. INHALATION OF DUST MAY CAUSE IRRITATION TO UPPER
RESIRATORY TRACT. INHALATION OF FUMES MAY RESULT IN LEUKOCYTOSIS.
CONTACT W/SKIN OR EYES MAY CAUSE IRR ITATION.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:RESPIRATORY SYSTEM DISEASE.

First Aid:CALL A MD. INGEST:IF SWALLOWED, 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:FLUSH W/PLENTY OF WATER FOR AT LEAST
15 MINS. SKIN:FLUSH W/WATER.

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

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

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

Respiratory Protection:RESPIRATORY PROTECTION REQUIRED IF AIRBORNE
CONCENTRATION EXCEEDS TLV. AT CONCENTRATIONS UP TO 500 PPM, A
NIOSH/MSHA APPROVED HIGH-EFFICIENCY PARTICULATE RESPIRATOR IS
RECOMMENDED. ABOVE THIS LEVEL, A NIOSH/MSHA APPRVD 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:NONE SPECIFIED BY MANUFACTURER.
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 (H*2O=1)
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, TRICHLORIDE & PHOSPHORUS
PENTACHLORIDE.
Stability Condition to Avoid:AIR & DUSTING.
Hazardous Decomposition Products:NONE IDENTIFIED.

Waste Disposal Methods:DISPOSE IN ACCORDANCE W/ALL APPLICABLE FEDERAL,
STATE & 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.