W R GRACE & CO. DAVISON CHEMICAL DIVISION -- SILICA GEL  -- 6850-01-036-9625
<pre>=====================  Product Identification  =====================

Product ID:SILICA GEL
MSDS Date:06/15/1995
FSC:6850
NIIN:01-036-9625
=== Responsible Party ===
Company Name:W R GRACE & CO. DAVISON CHEMICAL DIVISION
Address:10 E BALTIMORE STREET
Box:2117
City:BALTIMORE
State:MD
ZIP:21202-1630
Country:US
Info Phone Num:410-659-9000
Emergency Phone Num:410-659-9058/301-874-2009(J.CONVEY)
CAGE:16210
=== Contractor Identification ===
Company Name:DRESSER INDUSTRIES, INSTRUMENT DIV.
Address:250 E MAINT ST
Box:City:STRATFORD
State:CT
ZIP:06497-5145
Country:US
Phone:203-385-0472
CAGE:38056
Company Name:GRACE W R AND CO
Address:919 18TH ST NW
City:WASHINGTON
State:DC
ZIP:20006
Country:US
Phone:410-659-9000
CAGE:0NAV2
Company Name:W R GRACE & CO. DAVISON CHEMICAL DIVISION
Address:10 E BALTIMORE STREET
Box:2117
City:BALTIMORE
State:MD
ZIP:21202-1630
Country:US
Phone:410-659-9000
CAGE:16210

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

Ingred Name:AMORPHOUS SILICA GEL (FORMERLY CAS # 63231-67-4)
CAS:112926-00-8
RTECS #:VV7322000
Fraction by Wt: 99.0%
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:LD50 (ORAL, RAT) IS UNKNOWN.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:EYE, SKIN, RESPIRATORY
    TRACT. ACUTE- CONSIDERED TO BE A NUISSANCE DUST. HAS LOW POTENTIAL
    FOR ADVERSE HEALTH EFFECTS. EYES/SKIN:MAY CAUSE MECHANICAL
    IRRITATION. INHALE:DUSTS MAY CAUSE RE SPIRATORY TRACT IRRITATION.
    ORAL:LOW TOXICITY. CHRONIC- UNKNOWN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, COUGH, TEARING, REDNESS
Medical Cond Aggravated by Exposure:NONE

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

First Aid:GET MEDICAL HELP IF SYMPTOMS PERSIST. INHALED:MOVE TO FRESH
    AIR. EYES:FLUSH WITH WATER FOR 15 MINUTES. HOLD EYELIDS OPEN.
    SKIN:FLUSH WITH PLENTY OF WATER. ORAL:RINSE OUT MOUTH WITH WATER.
    MATERIAL WIL L PASS THROUGH BODY NORMALLY.

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

Flash Point:NONE
Lower Limits:NOT RELEVANT
Upper Limits:NOT RELEVANT
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, FOAM OR DRY CHEMICAL
    FOR SURROUNDING FIRE. USE WATER SPRAY TO COOL FIRE EXPOSED
    CONTAINERS.
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
    SELF-CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:NONE

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

Spill Release Procedures:WEAR PROTECTIVE EQUIPMENT. CAREFULLY SWEEP OR
    VACUUM THE SPILL AREA. COLLECT AND PLACE THE SPILLED MATERIAL IN A
    WASTE DISPOSAL CONTAINER. AVOID DUSTING.
Neutralizing Agent:NOT RELEVANT

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

Handling and Storage Precautions:STORE IN DRY PLACE, IN TIGHTLY CLOSED
    CONTAINER, AWAY FROM HYDROFLUORIC ACID. KEEP OUT OF REACH OF
    CHILDREN.
Other Precautions:WEAR GOGGLES IF DUST CAUSES EYE DISCOMFORT. WEAR A
    PROPERLY FITTED NIOSH-APPROVED DUST RESPIRATOR FOR DUSTY
    CONDITIONS. USE WITH ADEQUATE VENTILATION. WASH THOROUGHLY AFTER
    HANDLING. AVOID CONTACT WIT H EYES AND SKIN. AVOID INHALING DUST.

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

Respiratory Protection:IF ENGINEERING CONTROLS ARE INADEQUATE TO
    CONTROL DUST CONCENTRATIONS TO AN ACCEPTABLE LEVEL, A
    NIOSH-APPROVED DUST RESPIRATOR SHOULD BE WORN. IF RESPIRATORS ARE
    USED, A PROGRAM SHOULD BE INSTITUTED T O COMPLY WITH OSHA 29CFR
    1910.134.
Ventilation:USE GENERAL OR LOCAL EXHAUST VENTILATION TO KEEP DUST
    LEVELS AS LOW AS POSSIBLE.
Protective Gloves:COTTON/RUBBER/LATEX RECOMMENDED
Eye Protection:SAFETY GOGGLES FOR DUSTY CONDITIONS
Other Protective Equipment:LONG SLEEVE WORK CLOTHING, EYE WASH FOUNTAIN
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
    RECOMMENDED PROCEDURES. WASH THOROUGHLY BEFORE EATING,
    DRINKING/SMOKING.
Supplemental Safety and Health
PERCENTAGE DIFFERENT. PH IN 5% SLURRY: 3.5 - 8.5, PER MSDS.

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

HCC:V7
NRC/State Lic Num:NOT RELEVANT
Spec Gravity:2.1
Viscosity:NOT RELEVANT
Evaporation Rate &amp; Reference:NOT RELEVANT
Solubility in Water:INSOLUBLE
Appearance and Odor:DRY WHITE GRANULES, POWDER OR BEADS

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

Stability Indicator/Materials to Avoid:YES
HYDROFLUORIC ACID
Stability Condition to Avoid:NONE

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

Waste Disposal Methods:LANDFILL IN ACCEPTABLE MANNER, IN FULL
    COMPLIANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS. REUSING OR
    RECYCLING IS RECOMMENDED.

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