Product ID:SILICA, S5631
MSDS Date:01/01/1999
FSC:6810
NIIN:00N092695
Status Code:A
MSDS Number: CJTNZ

Emergency Phone: 314-771-5765

Info Phone: 314-771-5765

Cage: 21076

Telephone: 314-771-5765

Cage: 21076

SILICA

CAS: 7631-86-9

RTECS: VV7565000

OSHA PEL N/K

ACGIH TLV: N/K

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. MAY BE HARMFUL IF ABSORBED THROUGH THE SKIN.
CAUSES EYE IRRITATION. MATERIAL IS IRRITATING TO MUCOUS MEMBRANES
AND UPPER RESPIRATORY TRACT. MAY CAUSE SKIN IRRITATION. CHRONIC:
TARGET ORGANS: LUNGS.
Effects of Overexposure:SEE HEALTH HAZARDS.

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

Extinguishing Media:NON-COMBUSTIBLE. USE EXTINGUISHING MEDIA
APPROPRIATE TO SURROUNDING FIRE CONDITIONS.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA AND 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. HYGROSCOPIC.

Respiratory Protection:NIOSH APPROVED RESPIRATOR IN NON-VENTILATED
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:EYEWASH 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.
Stability Condition to Avoid: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 #: VV7328000, SILICA,
CRYSTALLINE-FUSED. TARGET ORGAN DATA: BEHAVIORAL (SOMNOLENCE,
TREMORS, CONVULSIONS/EFT ON SEIZURE THRESHOLD, MUSCLE WEAK);
CARDIAC (OTHER CHANGES); LUNGS, THORAX/RESPIRATIO N (CHANGES IN
PULM VASCULAR RESIST, FIBROSIS, INTERSTITIAL, ACUTE PULM EDEMA,
RESPIRATORY STIMULATION, OTHER CHANGES); GI (OTHER CHANGES,
TUMORS); NUTRITIONAL & GROSS METABOLIC (WEIGHT LOSS/DECREASED
WEIGHT GAIN); TUMORIGENIC (EQUIVOCAL TUMORIGENIC AGENT BY RTECS
CRITERIA, TUMORS AT SITE OF APPLICATION). ONLY SELECTED REGISTRY OF
TOXIC EFTS OF CHEM SUBSTANCES (RTECS) DATA IS PRESENTED HERE. SEE
AC TUAL ENTRY IN RTECS FOR COMPLETE INFO.

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.

SARA Title III Information:OTHER INFO: CHECK ACGIH TLV. NIOSH REL TO
SILICA, FUSED-AIR: 10H CA TWA 0.05 MG/M3; NIOSH DHHS #92-100, 1992.
NOHS 1974: HZD M4331; NIS 8; TNF 480; NOS 14; TNE 6475. NOES 1983:
HZD M4331; NIS 68; TNF 4174; NOS 60; TNE 52205; TFE 7320. EPA TSCA
SECTION 8 (B) CHEMICAL INVENTORY. EPA TSCA TEST SUBMISSION (TSCATS)
DATA BASE, JUNE 1998.
Federal Regulatory Information:EUROPEAN INFO: HARMFUL. R 20: HARMFUL BY
INHAL. R 36/37: IRRITATING TO EYES & RESP SYS. S 26: IN CASE OF
CONT W/EYES, RINSE IMMED W/PLENTY OF WATER & SEEK MED ADVICE. S 36:
WEAR SUITABLE PROT CLTHG. S 22: DO NOT BREATHE DUST. REVIEWS,
STDS, & REGS: OEL=MAK. ACGIH TLV-TWA 0.1 MG/M3, RESP DUST; DTLVS
TLV/BEI, 1997. IARC CANCER REVIEW: ANIMAL SUFFICIENT EVIDENCE;
IMEMDT 42, 39, 1987. IARC CANCER REVI EW: HUMAN LIMITED EVIDENCE;
IMEMDT 42, 39, 1987. IARC CANCER REVIEW: ANIMAL INADEQ EVIDENCE;
IMEMDT 68, 41, 1997. IARC CANCER REVIEW: GROUP 2A; IMSUDL 7, 341,
1987. MSHA STD-RESP DUST IN AIR: TWA 10 MG/M3/% RESP SIO*2+2;
(OTHER INFO)
State Regulatory Information: