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

MSDS NAME:PROTEK-SORB
NIIN:00-935-9795
MSDS Number: BGXBY
=== Responsible Party ===
Company: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:301-659-9000
Emergency Phone Num:301-659-9000
Preparer's Name:J.H. CONVEY (MANAGER)
CAGE:16210
=== Contractor Identification ===
Company: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  =============

Name:SILICA GEL
CAS:63231-67-4
RTECS #:VV7322000
Fraction by Wt: 99.7%
OSHA PEL:80 MG/M3 / % SIO2
ACGIH TLV:10 MG/M3

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

LD50 LC50 Mixture:ORAL LD50 (RAT) IS EST. >31,600 MG/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: EYE, SKIN & RESPIRATORY TRACT
    IRRITATION. CHRONIC: THE DRYING ACTION OF THIS MATERIAL CAN CAUSE
    IRRITATION OF THE MUCOUS MEMBRANES OF THE NOSE AND THROAT AND
    IRRITATION OF THE SKIN. AVOID PROLO NGED BREATHING OF THE DUST OR
    CONTACT OF DUST WITH THE SKIN.
Explanation of Carcinogenicity:THIS PRODUCT AND ITS COMPONENTS ARE NOT
    LISTED ON THE IARC, NTP OR OSHA CARCINOGENS LISTS.
Effects of Overexposure:MAY CAUSE EYE, SKIN & RESPIRATORY TRACT
    IRRITATION.
Medical Cond Aggravated by Exposure:MANUFACTURER KNOWS OF NO MEDICAL
    CONDITIONS ABNORMALLY AGGRAVATED BY EXPOSURE TO SILICA GEL.

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

Eyes: IMMEDIATELY WASH FROM EYES WITH LARGE AMOUNTS OF WATER,
    OCCASIONALLY LIFTING THE UPPER & LOWER EYE LIDS. IF IRRITATION
    OCCURS AND PERSISTS, SEEK MEDICAL ATTENTION. SKIN: WASH WITH SOAP
    AND WATER . INGESTION: MATERIAL WILL PASS THROUGHTHE BODY NORMALLY.
    INHALATION: REMOVE TO FRESH AIR.

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

Flash Point:NONE
Autoignition Temp:Autoignition Temp Text:NONE
Lower Limits:NONE
Upper Limits:NONE
Extinguishing Media:USE CARBON DIOXIDE, FOAM, DRY CHEMICAL, OR WATER
    FOG AS REQUIRED BY SURROUNDING FIRE.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
    FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE.
Unusual Fire/Explosion Hazard:NONE. NON-FLAMMABLE

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

Spill Release Procedures:SWEEP OR VACUUM UP OR FLUSH TO SEWER.
Neutralizing Agent:NONE REQUIRED

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

Handling and Storage Precautions:AVOID PROLONGED BREATHING OF THE DUST
    OR CONTACT OF DUST WITH THE SKIN. WHEN HANDLING, WEAR LONG SLEEVES
    AND CLOSE-WEAVE COTTON GLOVES WITH WRISTLETS.
Other Precautions:WEAR GOGGLES IF DUST CAUSES EYE DISCOMFORT. WEAR A
    PROPERLY FITTED NIOSH-APPROVED DUST RESPIRATOR FOR DUSTY
    CONDITIONS.

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

Respiratory Protection:WEAR A PROPERLY FITTED NIOSH/MSHA APPROVED DUST
    RESPIRATOR IF CONDITIONS ARE DUSTY.
Ventilation:MECHANICAL(GENERAL) VENTILATION IS USUALLY ADEQUATE TO
    MAINTAIN DUST LEVELS BELOW TLV FOR NUISANCE DUST.
Protective Gloves:CLOSE-WEAVE COTTON WITH TIGHT WRISTLETS
Eye Protection:GOGGLES FOR DUSTY CONDITIONS
Other Protective Equipment:LONG SLEEVED WORK CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER USE AND BEFORE EATING,
    DRINKING OR SMOKING. VACUUM UP ANY DUST. LAUNDER CLOTHING BEFORE
    REUSE.
Supplemental Safety and Health
SILICA GEL IS A SYNTHETIC AMORPHOUS SILICA NOT TO BE CONFUSED WITH
    CRYSTALLINE SILICA. EPIDEMIOLOGICAL STUDIES INDICATE LOW POTENTIAL
    FOR ADVERSE HEALTH EFFECTS. SILICA GEL IS CONSIDERED TO BE A NUISA
    NCE DUST. IN THE ACTIVATED FORM, SILICAGEL ACTS AS A DESICCANT &
    CAN CAUSE A DRYING IRRITATION OF THE MUCOUS MEMBRANES.

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

HCC:N1
Spec Gravity:2.1
pH:3.9 *
Solubility in Water:NEGLIGIBLE
Appearance and Odor:SMALL INDIVIDUAL PACKETS, NO ODOR
Percent Volatiles by Volume:0.0

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

Stability Indicator/Materials to Avoid:YES
REACTS WITH HF
Stability Condition to Avoid:MOISTURE
Hazardous Decomposition Products:NONE

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

Waste Disposal Methods:DISPOSE IN AN APPROVED LANDFILL ACCORDING TO
    LOCAL, STATE AND FEDERAL REGULATIONS. COVER PROMPTLY TO AVOID
    BLOWING DUST.

 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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