Product ID:SILICA GEL
MSDS Date:10/01/1992
FSC:4610
NIIN:00-776-0688
MSDS Number: BYFZH

W R GRACE & CO. DAVISON CHEMICAL DIVISION

10 E BALTIMORE STREET
BALTIMORE, MD 21202-1630
US

Emergency Phone: 301-659-9058(O)/301-874-2009(H)

Info Phone: 301-659-9000

Preparer: J.H.CONVEY

Cage: 16210

W R GRACE & CO. DAVISON CHEMICAL DIVISION

2117 BALTIMORE, MD 21202-1630 US

Telephone: 410-659-9000

Cage: 16210

SILICA GEL

CAS: 63231-67-4

RTECS: VV7322000

Fraction By Weight: >99.5%

OSHA PEL 6 MG/M3

ACGIH TLV: 10 MG/M3

WATER (MOISTURE)

CAS: 7732-18-5

RTECS: ZC0110000

LD50 LC50 Mixture:LD50>31600 MG/KG (RAT)
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:THE DRYING ACTION OF THIS MATERIAL CAN
CAUSE IRRITATION OF THE MUCOUS MEMBRANES OF THE NOSE AND THROAT &
IRRITATION OF THE SKIN. SILICA GEL IS A SYNTHETIC AMORPHOUS SILICA
NOT TO BE CONFUSED WITH CRYS TALLINE SILICA.EPIDEMIOLOGICAL STUDIES
INDICATE LOW POTENTIAL FOR ADVERSE HEALTH EFFECT.
Effects of Overexposure:IRRITANT TO NOSE,THROAT & SKIN. INHALATION
TOXICITY IS LOW. DO NOT INHAL DUST.
Medical Cond Aggravated by Exposure:NONE STATED.

First Aid:EYE:FLUSH WITH LARGE AMOUNTS OF WATER, OCCASIONALLY LIFTING
UPPER & LOWER EYE LIDS,IF IRRITATION PERSISTS,CALL A PHYSICIAN;
SKIN:WASH WITH SOAP & WATER; INGEST:MATERIAL WILL PASS THROUGH BODY
NORMALLY ; INHAL:REMOVE TO FRESH AIR.

Flash Point:NON-FLAMMABLE
Extinguishing Media:NOT FLAMMABLE;USE SUITABLE MEDIA FOR SURROUNDING
FIRE.
Fire Fighting Procedures:NOT APPLICABLE;USE NIOSH APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER SPRAY
TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:NOT EXPECTED.

Spill Release Procedures:SWEEP UP OR VACUUM UP & FLUSH INTO A SUITABLE
AREA OR CONTAINER FOR DISPOSAL.
Neutralizing Agent:NONE

Handling and Storage Precautions:NO SPECIAL REQUIREMENT. KEEP DRY,
TIGHTLY SEALED TO PROTECT QUALITY.
Other Precautions:DO NOT BREATH DUST. AVOID SKIN & EYES CONTACT. WORK
IN GOOD VENTILATED AREA.

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR FOR DUST.
Ventilation:PROVIDE MECHANICAL(GEN/LOCAL EXHAUST)VENTILATION TO
MAINTAINN Protective Gloves:LONG SLEEVE & CLOSE-WEAVE COTTON GLOVES.
Eye Protection:GOGGLES
Other Protective Equipment:AS REQUIRED TO PREVENT PROLONGED CONTACT.
Work Hygienic Practices:WASH AFTER HANDLING.
Supplemental Safety and Health
APPROXIMATE ANALYSIS SHOWS 99.5% SILICA GEL, HEAVY METALS < 30 PPM AND
LEAD < 10 PPM. CRYSTALLINE SILICA IS NOT DETECTED.

HCC:N1
Spec Gravity:2.1
pH:3-8
Solubility in Water:INSOLUBLE
Appearance and Odor:DRY WHITE GRANULES,BEADS OR POWDER,NO ODOR

Stability Indicator/Materials to Avoid:YES
REACTS WITH HF
Stability Condition to Avoid:NOT SPECIFIED BY THE MFR
Hazardous Decomposition Products:NOT SPECIFIED BY THE MFR

Waste Disposal Methods:DISPOSE IN AN APPROVED LANDFILL ACCORDING TO
FEDERAL, STATE AND LOCAL REGULATIONS. 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.