Product ID:SILICA FUMED 0.008U, S5255
MSDS Date:01/01/1999
FSC:6810
NIIN:00N093215
Status Code:A
MSDS Number: CJWLM

Emergency Phone: 314-771-5765

Info Phone: 314-771-5765

Cage: 21076

Telephone: 314-771-5765

Cage: 21076

SILICA, AMOPHOUS FUMED; (SILICA FUMED)

CAS: 112945-52-5

RTECS: VV7310000

LD50 LC50 Mixture:LD50 (ORAL,RAT): 3160 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: HARMFUL IF INHALED. MAY BE
HARMFUL IF SWALLOWED. CAUSES EYE IRRITAITON. MATERIAL IS IRRITATING
TO MUCOUS MEMEBRANES AND UPPER RESPIRATORY TRACT. MAY CAUSE SKIN
IRRITATION. CHRONIC: TARGET ORGAN (S): LUNGS. (TOXIC INFO)
Effects of Overexposure:SEE HEALTH HAZARD.

First Aid:EYES: IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH COPIOUS
AMOUNTS OF WATER FOR AT LEAST 15 MINUTES. ASSURE ADEQUATE FLUSHING
OF THE EYES BY SEPARATING THE EYELIDS WITH FINGERS. SKIN: IN CASE
OF CO NTACT, IMMEDIATELY WASH SKIN WITH SOAP AND COPIOUS AMOUNTS OF
WATER. INHALATION: IF INHALED, REMOVE TO FRESH AIR. IF NOT
BREATHING GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT,
GIVE OXYGEN. INGESTION: IF SWALLOWED, WASH OUT MOUTH WITH WATER
PROVIDED PERSON IS CONSCIOUS. CALL A PHYSICIAN.

Extinguishing Media:NONCOMBSUTIBLE. USE EXTINGUISHING MEDIA APPROPRIATE
TO SURROUNDING FIRE CONDITIONS.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .

Spill Release Procedures:WEAR NIOSH APPROVED RESPIRATOR, CHEMICAL
SAFETY GOGGLES, RUBBER BOOTS AND HEAVY RUBBER GLOVES. SWEEP UP,
PLACE IN A BAG AND HOLD FOR WASTE DISPOSAL. AVOID RAISING DUST.
VENTILATE AREA AND WASH SPILL S ITE AFTER MATERIAL PICKUP IS
COMPLETE.

Handling and Storage Precautions:AVOID CONTACT AND INHALATION. HARMFUL
DUST. IRRITANT. KEEP CONTAINER CLOSED. STORE IN A COOL DRY PLACE.

Respiratory Protection:NIOSH APPROVED RESPIRATOR IN NONVENTILATED AREAS
AND/OR FOR EXPOSURE ABOVE THE ACGIH TLV.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:COMPATIBLE CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:EYE WASH AND DELUGE SHOWER MEETING ANSI
DESIGN CRITERIA .
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

Appearance and Odor:SOLID.

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS. PROTECT FROM MOISTURE.
Hazardous Decomposition Products:NATURE OF DECOMPOSITION PRODUCTS NOT
KNOWN.

Waste Disposal Methods:BURY IN A LANDFILL SITE APPROVED FOR THE
DISPOSAL OF CHEMICAL AND HAZARDOUS WASTES. OBSERVE ALL FEDERAL,
STATE AND LOCAL ENVIRONMENTAL REGULATIONS.

Toxicological Information:RTECS #: VV7310000 SILICA, AMORPHOUS FUMED.
TOXICITY DATA: ORL-RAT LD50:3160 MG/KG ARSIM* 20,9,1966. INV-RAT
LD50:15 MG/KG BSIBAC 44,1685,1968. TARGET ORGAN DATA: LUNGS, THORAX
OR RESPIRATION (ACUTE P ULMONARY EDEMA) ONLY SELECTED REGISTRY OF
TOXIC EFFECTS OF CHEMICAL SUBSTANCES (RTECS) DATA IS PRESENTED
HERE. SEE ACTUAL ENTRY IN RTECS FOR COMPLETE INFORMATION.

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.

Ecological:DATA NOT YET AVAILABLE.

Transport Information:CONTACT SIGMA CHEMICAL COMPANY FOR TRANSPORTATION
INFORMATION.

Federal Regulatory Information:EUROPEAN INFORMATION: CAUTION: SUBSTANCE
NOT YET FULLY TESTED. HARMFUL R 20 HARMFUL BY INHALATION. R 36/37
IRRITATING TO EYES AND RESPIRATORY SYSTEM. S 26 IN CASE OF CONTACT
WITH EYES, RINSE IMMEDIATE LY WITH PLENTY OF WATER AND SEEK MEDICAL
ADVICE. S 36 WEAR SUITABLE PROTECTIVE CLOTHING. S 22 DO NOT BREATHE
DUST.
State Regulatory Information:REVIEWS, STANDARDS, AND REGULATIONS:
OEL=MAK. IARC CANCER REVIEW: ANIMAL INADEQUATE EVIDENCE IMEMDT
42,39,1987. IARC CANCER REVIEW: HUMAN INADEQUATE EVIDENCE IMEMDT
42,39,1987. IARC CANER REVIEW: HUMA N INADEQUATE EVIDENCE IMEMDT
68,41,1997.IARC CANCER REVIEW: GROUP 3 IMEMDT 68, 41,1997. MSHA
STANDARD-DUST IN AIR:TWA 20 MPPCF DTLWS* 3,33,1973. EPA TSCA TEST
SUBMISSION (TSCATS) DATA BASE, JUNE 1998. NIOSH ANALYTICAL METHOD,
1994: SILICA, AMORPHOUS, 7501. OSHA ANALYTICAL METHODS #ID-125G.