CABOT CORP CAB-O-SIL DIV -- CAB-O-SIL UNTREATED FUMED SILICA -- 9620-00-512-0765
=====================  Product Identification  =====================

Product ID:CAB-O-SIL UNTREATED FUMED SILICA
MSDS Date:01/01/1993
FSC:9620
NIIN:00-512-0765
MSDS Number: BSVQC
=== Responsible Party ===
Company Name:CABOT CORP CAB-O-SIL DIV
Box:188
City:TUSCOLA
State:IL
ZIP:61953-0188
Country:US
Info Phone Num:217-253-3370/800-222-6745
Emergency Phone Num:217-253-3370/800-222-6745
CAGE:LO484
=== Contractor Identification ===
Company Name:CABOT CORP CAB-O-SIL DIV
Box:188
City:TUSCOLA
State:IL
ZIP:61953-0188
Country:US
Phone:217-253-3370/800-222-6745
CAGE:LO484
Company Name:CABOT CORP CARBOSIL DIVISION
Address:700 E. U.S. HIGHWAY 36
Box:City:TUSCOLA
State:IL
ZIP:61953-0188
Country:US
Phone:217-253-3370
CAGE:3F733
Company Name:MCD INDUSTRIES
Address:COLLINS & WILLARD STS
Box:City:PHILADELPHIA
State:PA
ZIP:19134
Country:US
CAGE:34274

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

Ingred Name:FUMED SILICA, AMORPHOSU, CRYST.-FREE
CAS:112945-52-5
Fraction by Wt: 99%+%
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:ORAL LD50=5000MG/KG.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:NONE KNOWN OTHER THAN POSSIBLE
    TEMP DISCOMFORT DUE TO INHAL OF DUST CONCEN ABOVE PERMISSIBLE
    EXPOSURE LIMIT. CHRONIC:CAUSES NO CHRONIC HEALTH EFFECTS PER HUMAN
    STUDIES,HOWEVER,SOME RESEARCHERS B ELIEVE THAT CHRONIC INFLAMM,LUNG
    FIBROSIS & LUNG TUMORS CAN OCCUR FROM EXPOSURE TO LEVELS OF
    INSOLUBLE DUST ABOVE 6MG/M3
Effects of Overexposure:EXPOSURE ABOVE INDUSTRY STANDARD OF 6MG/M3
    REULTS IN DUST OVERLOAD PHENOMENON WHICH IS DUE TO LUNG CLEARANCE
    MECHANISM BEING OVERLOADED. AMORPHOUS FUMED SILICA WAS NOT USED IN
    THESE RESEARCH TESTS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:FLUSH EYES WITH PLENTY OF WATER. FOR INHALATION DISCOMFORT,
    MOVE VICTIM TO FRESH AIR.

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

Extinguishing Media:NONE SPECIFIED BY MANUFACTURER. HOWEVER, USE
    EXTINGUISHING MEDIA FOR EXISTING SURROUNDING FIRES.
Fire Fighting Procedures:NONE SPECIFIED BY MANUFACTURER. HOWEVER, USE
    APPROPRIATE FIRE-FIGHTING EQUIPMENT INCLUDING SELF-CONTAINED
    BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:DRY POWDERED MATLS CAN BUILD STATIC
    ELECTRICAL CHARGES WHEN SUBJECTED TO FRICTION.PROPER PRECAUTIONS
    WHEN USING PRODUCT IN PRESENCE OF FLAMM/EXPLOSIVE LIQUIDS.

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

Spill Release Procedures:SPILLED CAB-O-SIL FUMED SILICA IS NOT A
    HAZARDUS WASTE UNDER US FEDERAL RCRA REGULATIONS. MAY BE SWEPT UP
    OR VACUUMED FOR NORMAL DISPOSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:NONE SPECIFIED BY MANUFACTURER.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:NIOSH APPROVED DUST RESPIRATOR RECOMMENDED FOR
    CONCENTRATIONS BAVOE 6MG/M3.
Ventilation:ADEQUATE FOR DUSTY ENVIRONMENTS.
Protective Gloves:NOT NECESSARY.
Eye Protection:SAFETY GLASSES.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:WASH HANDS AFTER HANDLING & BEFORE
    EAT/DRINK/SMOKE.
Supplemental Safety and Health
PH=4.0 FOR 4% AQUEOUS SLURRY. HCC CHANGED FROM N1 TO T6 BASED ON
    CONCERNS INVOLVING TWO INCIDENCES OF RUPTURED BAGS (10 LBS EACH)
    SPILLING FINE POWDER PRODUCT THAT READILY BECAME AIRBORNE. SOME
    RESEAR CHERS BELIEVE CHRONIC INFLAMMATION, LUNG FIBROSIS, LUNG
    TUMORS CAN OCCUR FROM EXPOSURE TO INSOLUBLE DUST ABOVE 6 MG/M3.

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

HCC:T6
Decomp Temp:Decomp Text:NONE SPECI.
Spec Gravity:2.2
pH:4 SLUR
Evaporation Rate & Reference:NONE SPECIFIED BY MANUFA.
Solubility in Water:INSOLUBLE
Appearance and Odor:FINE WHITE POWDER WITH NO ODOR.
Percent Volatiles by Volume:NONE .
Corrosion Rate:NONE SP.

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

Stability Indicator/Materials to Avoid:YES
NONE SPECIFIED BY MANUFACTURER.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH
    FEDERAL/STATE/LOCAL REGULATIONS.

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 disclaims all liability for its use.  Any person utilizing this
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