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

MSDS NAME:MAGNESIUM CARBONATE ANHYDROUS, 1040096
NIIN:00N082469
MSDS Number: CGCYW
=== Responsible Party ===
Company:JANSSEN PHARMACEUTICALAAN 3A
Address:2440 GEEL, BELGIUM
Info Phone Num:800-227-6701
Emergency Phone Num:800-424-9300(CHEMTREC)
CAGE:GO500
=== Contractor Identification ===
Company:ARCOS ORGANICS NW
Address:JANSSEN PHARMACEUTICALAAN 3A
Box:City:2440 GEEL, BELGIUM
Phone:800-227-6701
CAGE:ACRXS
Company:JANSSEN PHARMACEUTICAIAAN 3
Address:2440
City:GEAL
Country:US
Phone:800-227-6701
CAGE:GO500

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

Name:MAGNESIUM (II) CARBONATE (1:1); (MAGNESIUM CARBONATE)
CAS:546-93-0
RTECS #:OM2470000
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST; 9495

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: EYE: MAY CAUSE MILD EYE
    IRRITATION. SKIN: LOW HAZARD FOR USUAL INDUSTRIAL HANDLING.
    INGESTION: MAY CAUSE IRRITATION OF THE DIGESTIVE TRACT. EXCESS
    EXPOSURE CAN CAUSE CNS DEPRESSION AND NEUROLOG ICAL AND CARDIAC
    ABNORMALITIES. INHALATION: MAY CAUSE RESPIRATORY TRACT IRRITATION.
    CHRONIC: NO INFORMATION FOUND.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

Eyes:IMMED FLUSH W/PLENTY OF H*2O FOR AT LEAST 15 MIN, OCCAS
    LIFTING THE UPPER & LOWER LIDS. GET MED AID. SKIN:IMMED FLUSH
    W/PLENTY OF SOAP & H*2O FOR AT LEAST 15 MIN WHILE REMOVING CONTAMD
    CLTHG & SH OES. GET MED AID IF IRRIT DEVELOPS/PERSISTS. INGEST:IF
    VICTIM IS CONSCIOUS & ALERT, GIVE 2-4 CUPFULS OF MILK OR WATER. GET
    MED AID IMMED. INHAL:REMOVE FROM EXPOSURE TO FRESH AIR IMMED.
    (SUPDAT)

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

Extinguishing Media:SUBSTANCE IN NONCOMBUSTIBLE; USE AGENT MOST
    APPROPRIATE TO EXTINGUSH SURROUNDING FIRE.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT . COMBUSTION GENERATES TOXIC FUMES.
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:SWEEP UP, THEN PLACE INTO A SUITABLE CLEAN,
    DRY CONTAINER FOR DISPOSAL. AVOID GENERATING DUSTY CONDITIONS.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN A TIGHTLY CLOSED CONTAINER.
    STORE IN A COOL, DRY, WELL-VENTILATED AREA AWAY FROM INCOMPATIBLE
    SUBSTANCES. USE WITH ADEQUATE VENTILATION.
Other Precautions:MINIMIZE DUST GENERATION AND ACCUMULATION. AVOID
    CONTACT WITH SKIN AND EYES. KEEP CONTAINER SLIGHTLY CLOSED. AVOID
    INGESTION AND INHALATION.

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

Respiratory Protection:FOLLOW THE OSHA RESPIRATOR REGULATIONS FOUND IN
    29CFR 1010.134. ALWAYS USE A NIOSH-APPROVED RESPIRATOR WHEN
    NECESSARY.
Ventilation:USE ADEQUATE GENERAL OR LOCAL EXHAUST VENTILATION TO KEEP
    AIRBORNE CONCENTRATIONS BELOW THE PERMISSIBLE EXPOSURE LIMITS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
    ANSI DESIGN CRITERIA .
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. REMOVE
    CONTAMINATED CLOTHING AND WASH BEFORE REUSE.
Supplemental Safety and Health
PH:SLIGHTLY ALKALINE. FIRST AID PROC:IF NOT BREATHING, GIVE ARTIFICIAL
    RESP. IF BREATHING IS DIFFICULT, GIVE OXYGEN. GET MEDICAL AID.
    NOTES TO PHYSICIAN:TREAT SYMPTOMATICALLY & SUPPORTIVELY. ANTIDOTE:
    THE USE OF CALCIUM GLUCONATE TO PRECIPITATE THE OXALATE SHOULD BE
    DETERMINED BY ONLY QUALIFIED MEDICAL PERSONNEL.

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

Boiling Pt:B.P. Text:1652F,900C
Melt/Freeze Pt:M.P/F.P Text:662F,350C
Vapor Pres:NEGLIGIBLE
Spec Gravity:2.958 (H*2O =1)
pH:SUPDAT
Evaporation Rate & Reference:NEGLIGIBLE
Solubility in Water:INSOLUBLE
Appearance and Odor:SOLID WHITE CRYSTALS; NONE REPORTED ODOR.

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

Stability Indicator/Materials to Avoid:YES
ACIDS AND FORMALDEHYDE.
Stability Condition to Avoid:INCOMPATIBLE MATERIALS, EXCESS HEAT.
Hazardous Decomposition Products:CARBON DIOXIDE, OXIDES OF MAGNESIUM.

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

Waste Disposal Methods:DISPOSE OF IN A MANNER CONSISTENT WITH FEDERAL,
    STATE, AND LOCAL 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.

*** END OF RECORD ***