SIGMA CHEMICAL COMPANY -- M3138 MANGANESE DIOXIDE  -- 6850-00F056303
<pre>=====================  Product Identification  =====================

Product ID:M3138 MANGANESE DIOXIDE
MSDS Date:07/01/1996
FSC:6850
NIIN:00F056303
=== Responsible Party ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:SAINT LOUIS
State:MO
ZIP:63178-5000
Country:US
Info Phone Num:314-771-5765/800-325-3010
Emergency Phone Num:314-771-5765/800-325-3010
CAGE:21076
=== Contractor Identification ===
Company Name:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928
Company Name:FLUKA CHEMICAL CORP
Address:1001 WEST ST PAUL
Box:City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:63181
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076

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

Ingred Name:MANGANESE DIOXIDE, MANGANESE PEROXIDE  *98-2*
CAS:1313-13-9
RTECS #:OP0350000
OSHA PEL:5 MG/CUM
ACGIH TLV:5 MG/CUM

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:HARMFUL IF INHALED, SWALLOWED/ABSORBED
    THROUGH THE SKIN. CAUSES EYE & SKIN IRRITATION. MAY AFFECT THE
    NERVES & LUNGS. MANGANESE POISONING MAY CAUSE A DECREASE IN
    FERTILITY IN MEN & MAY INVOLVE THE CNS .
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, LANGUOR, SLEEPINESS, WEAKNESS IN
    THE LEGS, DISTURBANCES SUCH AS LAUGHTER & SPASTIC GAIT W/TENDENCY
    TO FALL IN WALKING

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

First Aid:EYES: IMMEDIATELY FLUSH W/COPIOUS AMOUNTS OF WATER FOR 15
    MINS. SKIN: WASH W/SOAP & COPIOUS AMOUNTS OF WATER. INHALATION:
    REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF NECESSARY. INGESTION: WASH
    OUT MOUTH W /WATER IF CONSCIOUS. OBTAIN MEDICAL ATTENTION IN ALL
    CASES.

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

Flash Point:NONCOMBUSTIBLE
Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING
    FIRE CONDITIONS.
Fire Fighting Procedures:WEAR SELF CONTAINED BREATHING APPARATUS &
    PROTECTIVE CLOTHING TO PREVENT CONTACT W/SKIN & EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
    CONTACT W/OTHER MATERIAL MAY CAUSE FIRE.

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

Spill Release Procedures:WEAR SELF CONTAINED BREATHING APPARATUS,
    RUBBER BOOTS & HEAVY RUBBER GLOVES. SWEEP UP & PLACE IN A BAG &
    HOLD FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA & WASH
    SITE AFTER MATERIAL PICKUP I S COMPLETE.

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

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE. KEEP
    TIGHTLY CLOSED. DON'T STORE NEAR/NOR ALLOW CONTACT W/CLOTHING &
    OTHER COMBUSTIBLE MATERIAL.
Other Precautions:DON'T BREATHE VAPOR. AVOID CONTACT W/EYES, SKIN &
    CLOTHING. AVOID PROLONGED/REPEATED EXPOSURE. WEAR SUITABLE
    PROTECTIVE CLOTHING.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER, EYE BATH
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE.
Supplemental Safety and Health

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

Melt/Freeze Pt:M.P/F.P Text:995F
Spec Gravity:5.026
Appearance and Odor:BLACK/GRAY POWDER

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

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS, STRONG REDUCING AGENTS, ORGANIC MATERIALS
Stability Condition to Avoid:FIRE

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

Waste Disposal Methods:BURY IN A LANDFILL SITE APPROVED FOR THE
    DISPOSAL OF CHEMICAL & HAZARDOUS WASTE/DISPOSE OF IAW/LOCAL, STATE
    & 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.