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

MSDS NAME:GRANULAR SILICA GEL,GRADE 41
NIIN:00-663-9415
MSDS Number: BFKGL
=== Responsible Party ===
Company:W R GRACE & CO
Emergency Phone Num:301-659-9000
CAGE:1BX64
=== Contractor Identification ===
Company:W R GRACE & CO
Address:55 HAYDEN AVE
City:LEXINGTON
State:MA
ZIP:02173
Country:US
Phone:713-479-7348
CAGE:1BX64
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
Fraction by Wt: 94.0%
ACGIH TLV:20MPPCF, DUST

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

Effects of Overexposure:IRRIT OF MUCOUS MEMBRANES, & NOSE/THROAT, IRRIT
    OF SKIN

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

First Aid:WASH DUST FROM SKIN OR EYES W/WATER. IF SWALLOWED, DRINK
    PLENTY WATER IMMED. MATL WILL PASS THROUGH BODY NORMALLY.

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

Spill Release Procedures:SWEEP UP OR VACUUM OR FLUSH TO APPRVD STORAGE
    CNTNR

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

Handling and Storage Precautions:KEEP TIGHTLY SEALED TO PROTECT QUALITY

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

Respiratory Protection:DUST MASK RESP MAY BE REQ IN DUSTY CONDITIONS,
    NIOSH APPRVD.
Ventilation:AS REQ TO CONTROL TLV IN AIR
Protective Gloves:COTTON WEAVE
Eye Protection:SAFETY GOGGLES
Supplemental Safety and Health
CAS REGISTRY NO. 63231-67-4(SILICA GEL); PH IN 5% SLURRY : APPROX. 3.5
    - 8.0 DEPENDING ON GRADE; BULK DENSITY: 45-48 LBS/CUF.

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

HCC:N1
Spec Gravity:2.1
Solubility in Water:NEGLIGIBLE
Appearance and Odor:CRYSTALLINE FORM

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

Stability Indicator/Materials to Avoid:YES
REACTS WITH HF(HYDROFLUORIC ACID)

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

Waste Disposal Methods:BURY IN APPRVD LANDFILL. COVER PROMPTLY TO AVOID
    BLOWING OF 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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