Product ID:HI-SIL T-600
MSDS Date:05/05/1988
FSC:6850
NIIN:00N025492
MSDS Number: BMQYW

PPG INDUSTRIES INC (WAS PTTTSBURGH PLATE GLASS CO)

ONE PPG PLACE
PITTSBURGH, PA 15272
US

Emergency Phone: 304-843-1300

Info Phone: 412-434-3131

Preparer: R. KENNETH LEE

Cage: 47695

PPG INDUSTRIES INC

PITTSBURGH, PA 15272 US

Telephone: 1-800-245-2974 (CAL HYPO)

Cage: 47695

BE I/A/W 29 CFR 1910.132 AND 29 CFR

RTECS: 9999999ZZ

PRECIPITATED SILICAS.

RTECS: 9999999ZZ

SILICA GEL; (SI02 HYDRATE)

CAS: 63231-67-4

RTECS: VV7340000

Fraction By Weight: 87%(MIN

MOST OF THE DEPOSITED MATL WAS CLEARED SOON

RTECS: 9999999ZZ

STUDIES PERFORMED BY, OR KNOWN TO, PPG INDICATE A

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: EXCESSIVE CONT W/POWDER CAN
CAUSE DRYING OF MUC MEMB OF NOSE, EYES & THROAT DUE TO ABSORPTION
OF MOISTURE & OILS, CAN ALSO CAUSE NASAL IRRIT & NOSEBLEEDS. EYE
CONT W/POWDER CAN RESULT IN MILD I RRIT. CHRONIC: AN
EPIDEMIOLOGICAL STUDYWAS CONDUCTED WHICH INCLUDED 165 PRECIPITATED
SILICA WORKERS, (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:44 HAD BEEN EXPOS FOR AN AVERAGE OF 18
YEARS. NO ADVERSE EFTS WERE NOTED IN COMPLETE MEDICAL EXAMINATIONS
(INCLUDING CHEST ROENTGENOGRAMS) OF THESE WORKERS. PULMONARY
FUNCTION DECREMENTS WERE CORRELATED ONLY W/SMOKING & AGE BUT NOT
W/THE DEGREE/DURATION OF DUST EXPOSURES. LAB STUDIES HAVE ALSO
(SUPP DATA)
Medical Cond Aggravated by Exposure:PPG RECOMMENDS THAT PERSONS WITH
BREATHING PROBLEMS OR LUNG DISEASE SHOULD NOT WORK IN DUST AREAS
UNLESS MD APPROVES.

First Aid:INHAL: IF SYMPTOMS OF DISCOMFORT/IRRIT OCCUR DUE TO THIS
PROD, REMOVE TO FRESH AIR. IF IRRIT/DISCOMFORT PERSISTS, CONSULT
MD. EYE: IF POWDER ENTERS EYES, FLUSH W/PLENTY OF WATER FOR AT
LEAST 15 MIN. I F IRRIT/DISCOMFORT OCCURS, CONSULT MD. SKIN: FLUSH
W/PLENTY OF WATER. IF IRRIT/DISCOMFORT OCCURS, CONSULT MD. INGEST:
NOT A LIKELY ROUTE OF EXPOSURE. NOTE TO MD: TREAT SYMPTOMATICALLY.

Flash Point:NONE
Extinguishing Media:NOT APPLICABLE. USE MEDIA SUITABLE FOR SURROUNDING
FIRE .
Fire Fighting Procedures:NOT APPLICABLE. WEAR NIOSH/MSHA APPROVED SCBA
AND FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE

Spill Release Procedures:VACCUM SPILLED MATERIAL AND PLACE IN CLOSED
PLASTIC BAGS FOR DISPOSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:WEAR RESP PROT WHEN DUST EXPOS IS
ABOVE PERMISSIBLE EXPOSURE LIMITS. RESP PROT MUST BE NIOSH/MSHA
APPROVED DUST FILTER RESPIRATOR. STORE IN DRY AREA.
Other Precautions:AVOID PRLNGD/RPTD INHAL OF DUST. MAY IRRITATE RESP
TRACT. AVOID CONT W/EYES. MAY CAUSE IRRIT & PAIN. AVOID PRLNGD,
RPTD/EXCESSIVE CONT W/SKIN. MAY CAUSE IRRIT & DISCOMFORT. USE WITH
ADEQUATE VENTILATI ON. DO NOT EAT/DRINK/SMOKE IN WORK AREA.

Respiratory Protection:USE NIOSH/MSHA APPROVED DUST FILTER RESP FOR
EXPOS ABOVE PERMISSIBLE EXPOSURE LIMITS. THE RESPIRATORY USE
LIMITATIONS MADE BY NIOSH/MSHA OR THE MANUFACTURER MUST BE
OBSERVED. RESP PROT PROGRAMS MUST B E IN ACCORDANCE WITH 29 CFR
1910.134.
Ventilation:GENERAL OR LOCAL EXHAUST SUFFICIENT TO MAINTAIN EMPLOYEE
EXPOSURE BELOW PERMISSIBLE EXPOSURE LIMITS.
Protective Gloves:CLOTH, LEATHER, OR RUBBER GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:BOOTS/APRONS/CHEM SUITS SHOULD BE USED WHEN
NEC TO PVNT SKIN CONT. PERSONAL PROT CLTHG & USE OF EQUIP MUST (ING
6)
Work Hygienic Practices:WASH THOROUGHLY EVERDAY AFTER WORK.
Supplemental Safety and Health
PH:6.5-7.3 (5% SUSPENSION). MATL TO AVOID:W/ADDITIVES MAY ALTER
TOXICOLOGICAL PROPERTIES. HLTH HAZ:BEEN CONDUCTED IN SM ANIMALS VIA
INHAL TO LEVELS OF PRECIPITATED SILICA DUST OF UP TO 126 MG/CU.M.
FO R PERIODS FROM 6 MONTHS TO 2 YEARS. ALTHOUGH PRECIPITATED SILICA
WAS TEMPORARILY DEPOSITED IN ANIMALS' LUNGS, (ING 2)

HCC:N1
Vapor Pres:NONE
pH:SUPDAT
Solubility in Water:ESSENTIALLY INSOL
Appearance and Odor:WHITE, ODORLESS POWDER

Stability Indicator/Materials to Avoid:YES
AVOID ALTERATION OF PROD PROPERTIES BEFORE USE. CALCINING, WHICH MAY
RESULT IN CRYSTALLINE FORMATION/MIXING (SUPP DATA)
Stability Condition to Avoid:HIGH TEMPERATURES (>800C) TREATMENT
(CALCINING).
Hazardous Decomposition Products:NONE

Waste Disposal Methods:WASTE FROM THIS PRODUCT MAY BE DISPOSED OF IN A
SANITARY LANDFILL IF STATE AND LOCAL REGULATIONS PERMIT. CARE
SHOULD BE EXERCISED TO AVOID CREATION OF DUST DURING DISPOSAL
OPERATIONS.

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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.