=====================  Product Identification  =====================

MSDS NAME:O-C-265B, CALCIUM CARBONATE,ACS POWDER FORM
NIIN:00-234-8365
MSDS Number: BDLLZ
=== Responsible Party ===
Company:J.T. BAKER CHEMICAL CO.,(CHEMICAL COMMODITIES)
Emergency Phone Num:201-859-2151
CAGE:5B970
=== Contractor Identification ===
Company:J.T. BAKER CHEMICAL COMPANY SUB OF RICHARDSON-VICKS INC
Address:995 ZEPHYR AVE
Box:City:HAYWARD
State:CA
ZIP:94544-7917
Country:US
Phone:UNK
CAGE:5B970
Company:MALLINCKRODT BAKER,  INC.
Address:222 RED SCHOOL LANE
Box:City:PHILLIPSBURG
State:NJ
ZIP:08865
Country:US
Phone:800-582-2537
CAGE:70829

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

Name:CALCIUM CARBONATE (MARBLE) (LIMESTONE)
CAS:1317-65-3
RTECS #:EV9580000
Fraction by Wt: 100%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST; 9192

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

Effects of Overexposure:IRRITATES EYES & CAUSES REDNESS,PAIN.

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

Eyes:FIRST RINSE WITH PLENTY OF WATER,THEN TRANSPORT TO A DR,
    IF NECESSARY.

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

Extinguishing Media:ANY MEDIA SUITABLE FOR THE SUPPORTING FIRE.
Fire Fighting Procedures:WEAR DUST MASK.
Unusual Fire/Explosion Hazard:DECOMPOSES UPON HEATING,FORMING CO*2 & A
    CORROSIVE RESIDUE(CAO).REACTS WITH ACIDS TO FORM CO*2 GAS.

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

Spill Release Procedures:SWEEP UP SPILLED SUBSTANCE,WASH AWAY REMAINDER
    WITH LARGE AMOUNT OF WATER/AND/OR DISOLVE IN SOLUTION OF EXCESSIVE
    ACID,EXTRA PERSONAL PROTECTION:CLASS ZA PARTICLE FILTER RESPIRATOR)

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

Handling and Storage Precautions:STORE IN COOL,DRY PLACE.

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

Respiratory Protection:DUST MASK
Ventilation:MECHANICAL IS RECOMMENDED
Eye Protection:CLOSE FTG SAFETY GOGGLES
Supplemental Safety and Health

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

HCC:N1
Boiling Pt:B.P. Text:DECOMPOSES
Spec Gravity:2.7
Solubility in Water:NEGLIGIBLE
Appearance and Odor:FINE,WHITE POWDER;ODORLESS

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

Stability Indicator/Materials to Avoid:YES
ACIDS
Hazardous Decomposition Products:CALCIUM OXIDE (CORROSIVE RESIDUE) &
    CO*2

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

Waste Disposal Methods:FLUSH TO AN APPROVED DISPOSAL AREA WITH EXCESS
    WATER OR DISPOSE IN LANDFILL PROVIDING LOCAL ENVIRONMENTAL
    REGULATIONS PERMIT.

 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.

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