JOHNSON MATTHEY CATALOG CO -- MAGNESIUM OXIDE, 12862  -- 6810-00N048534
<pre>=====================  Product Identification  =====================

Product ID:MAGNESIUM OXIDE, 12862
MSDS Date:07/13/1988
FSC:6810
NIIN:00N048534
=== Responsible Party ===
Company Name:JOHNSON MATTHEY CATALOG CO
Address:30 BOND ST
City:WARD HILL
State:MA
ZIP:01835-0747
Country:US
Info Phone Num:508-521-6300
Emergency Phone Num:800-424-9300(CHEMTREC)
CAGE:0JVJ1
=== Contractor Identification ===
Company Name:JOHNSON MATTHEY CATALOG CO INC ALFA AESAR
Address:30 BOND ST
Box:City:WARD HILL
State:MA
ZIP:01835-0747
Country:US
Phone:978-521-6300
CAGE:0JVJ1

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

Ingred Name:MAGNESIUM OXIDE
CAS:1309-48-4
RTECS #:OM3850000
Fraction by Wt: 100%
OSHA PEL:15 MG/M3 PARTICULATE
ACGIH TLV:10 MG/M3 TDUST

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

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:ACUTE:INGEST:MAGNESIUM OXIDE IS SLOWLY
    ABSORBED. INGESTION MAY CAUSE RAPID BOWEL EVACUATION. SKIN/EYE
    CONTACT:MAY CAUSE SLIGHT IRRITATION. INHAL:MAY CAUSE RESPIRATORY
    IRRITATION, DIFFICULTY IN BREATHI NG. INHALATION OF MAGNESIUM OXIDE
    FUMESCAN PRODUCE METAL FUME FEVER, AN ILLNESS SIMILAR TO
    INFLUENZA.(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:SYMPTOMS INCLUDE FEVER, COUGH, NAUSEA,
    VOMITING, HEADACHE, MUSCULAR PAIN & LEUKOCYTOSIS. CHRONIC:NONE
    KNOWN.
Medical Cond Aggravated by Exposure:CHRONIC RESPIRATORY DISEASES.

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

First Aid:INHAL:REMOVE TO FRESH AIR. SUPPORT BREATHING (GIVE O*2/ARTF
    RESP) . ONE SHOULD OBTAIN MEDICAL ATTENTION. INGEST:ONE SHOULD
    OBTAIN MEDICAL ATTENTION. SKIN:REMOVE CONTAMINATED CLOTHING, FLOOD
    W/LA RGE AMOUNTS OF WATER. IF IRRITATION PERSISTS SEEK MEDICAL
    ATTENTION. EYE:IMMEDIATELY FLUSH, INCLUDING UNDER EYELIDS, W/LARGE
    AMOUNTS OF WATER FOR AT LEAST 15 MINUTES. CALL MD.

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

Extinguishing Media:NONCOMBUSTIBLE. IF MATERIAL IS INVOLVED IN A FIRE
    USE DRY CHEMICAL OR CARBON DIOXIDE EXTINGUISHER.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT . NO SPECIAL FIREFIGHTING PROCEDURES NEEDED. IF W/OUT
    RISK REMOVE MATERIAL FROM FIRE AREA.
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:WEARING FULL PROTECTIVE EQUIPMENT, COVER SPILL
    W/DRY SAND OR VERMICULITE. MIX WELL & CAREFULLY TRANSFER TO A
    CONTAINER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:KEEP CONTAINER TIGHTLY CLOSED. STORE
    IN A COOL, DRY, WELL-VENTILATED AREA.
Other Precautions:WARNING:MAY CAUSE METAL FUME FEVER.

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

Respiratory Protection:NIOSH/MSHA APPROVED HIGH EFFICIENCY PARTICLE
    RESPIRATOR.
Ventilation:LABORATORY FUME HOOD.
Protective Gloves:RUBBER GLOVES.
Eye Protection:ANSI APPROVED SAFETY GOGGLES .
Other Protective Equipment:LAB COAT & APRON, FLAME & CHEM RESIST
    CVERALLS, ANSI APPVD EYEWASH CAP OF SUST FLUSHING & SFTY DRNCH SHWR
    & (SUPDAT)
Work Hygienic Practices:WASH THOROUGHLY AFTER USE.
Supplemental Safety and Health
OTHER PROT EQUIP:HYGIENIC FACILITIES FOR WASHING.

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

Boiling Pt:B.P. Text:6512F,3600C
Melt/Freeze Pt:M.P/F.P Text:5072F,2800C
Vapor Pres:0
Spec Gravity:3.58 (H*2O=1)
Evaporation Rate &amp; Reference:0 (BUTYL ACETATE=1)
Solubility in Water:VERY SLIGHTLY SOL
Appearance and Odor:WHITE POWDER OR PELLETS; ODORLESS.
Percent Volatiles by Volume:0

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

Stability Indicator/Materials to Avoid:YES
INTERHALOGENS, PHOSPHORUS PENTACHLORIDE, CHLORINE TRIFLUORIDE, STRONG
    ACIDS, STRONG OXIDIZERS.
Stability Condition to Avoid:INCOMPATIBLES.
Hazardous Decomposition Products:REACTS W/WATER TO FORM MAGNESIUM
    HYDROXIDE.

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

Waste Disposal Methods:CONSULT STATE, LOCAL OR FEDERAL EPA REGULATIONS
    FOR PROPER DISPOSAL.

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