Product ID:BIO-SIL A AND BIO-SIL HA, 131-1390
MSDS Date:02/02/1988
FSC:6810
NIIN:00N016317
MSDS Number: BLBNX

Emergency Phone: 415-232-7000

Info Phone: 415-232-7000

Preparer: R. WOOD

Cage: 10987

Telephone: 415-232-7000

Cage: 10987

SILICA, AMORPHOUS, PRECIPITATED AND GEL

CAS: 7699-41-4

RTECS: VV8850000

OSHA PEL 20 MPPCF

ACGIH TLV: 10 MG/M3 TDUST; 9293

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL: INHAL OF DUST CAN CAUSE A
DRYING OF THE THROAT AND CAUSE IRRIT OF THE MUCOUS MEMBRANES OF THE
NOSE EYE: CONTACT WITH THE EYES WILL CAUSE A MECHANICAL IRRIT.
SKIN: CONTACT WITH THE SKIN CAN CAU SE A DRYING ACTION THAT CAN
CAUSE AN IRRIT OF THE SKIN.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:ACUTE: IRRITATION THROUGH DEHYDRATION. CHRONIC:
NONE KNOWN.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYE: FLUSH WITH LARGE AMOUNTS OF WATER FOR AT LEAST 15 MIN,
LIFTING THE UPPER AND LOWER LIDS OCCASIONALLY. CALL MED IMMED.
SKIN: WASH WITH SOAP AND WATER. INHAL: REMOVE TO FRESH AIR.
SWALLOWED: DRINK WATER. MATERIAL WILL PASS THROUGH BODY NORMALLY.

Extinguishing Media:NONE SPECIFIED BY MANUFACTURER.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT . USE H*2O TO COOL FIRE-EXPOSED CONTAINERS.
Unusual Fire/Explosion Hazard:NONE KNOWN.

Spill Release Procedures:SWEEP OR SHOVEL INTO A CONTAINER. COVER
PROMPTLY TO AVOID BLOWING OF DUST. WEAR PROTECTIVE CLOTHING AND
APPROPRIATE RESPIRATORY PROTECTION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP TIGHTLY SEALED TO PROTECT QTY.
STORE IN A COOL, DRY WELL-VENTILATED PLACE AWAY FROM INCOMPAT MATL.
AN EYE WASH SHOULD BE NEARBY & READY FOR USE.
Other Precautions:DO NOT CUT, GRIND, WELD OR DRILL ON OR NEAR
CONTAINER.

Respiratory Protection:WEAR NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE
FOR EXPOSURE OF CONCERN .
Ventilation:LOCAL EXHAUST VENTIALTION IS RECOMMENDED TO KEEP EMPLOYEE
EXPOSURES BELOW THE AIRBORNE EXOSURE LIMITS.
Protective Gloves:CHEMICAL RESISTANT GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:WEAR LAB COAT OR APRON.
Work Hygienic Practices:USE GOOD LABORATORY PRACTICES. WASH HANDS AFTER
USING AND BEOFRE EATING. DO NOT EAT, DRINK, OR SMOKE IN THE WORK
AREA.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

HCC:N1
Spec Gravity:2.2
Solubility in Water:INSOLUBLE
Appearance and Odor:WHITE SOLID. ODORLESS.

Stability Indicator/Materials to Avoid:YES
REACTS WITH HYDROFLUORIC ACID.

Waste Disposal Methods:COMPLY WITH ALL APPLICABLE FEDERAL, STATE, AND
LOCAL REGULATIONS ON SPILL REPORTING, WASTE HANDLING, AND WASTE
DISPOSAL.

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.