Product ID:CIRCOLIGHT RPI DLC-A
MSDS Date:12/15/1988
FSC:9150
NIIN:00N050076
MSDS Number: BVGBQ

NATROCHEM INC

SAVANNAH, GA 31498-4201
US

Emergency Phone: 912-236-4464

Info Phone: 912-236-4464

Cage: 9C469

NATROCHEM INC

1205 SAVANNAH, GA 31498-4201 US

Telephone: 912-236-4464

Cage: 9C469

SILICA GEL; (SILICON DIOXIDE)

CAS: 63231-67-4

RTECS: VV7340000

Fraction By Weight: 28%

OSHA PEL 6 MG/M3

ACGIH TLV: 10 MG/M3

NAPHTHENIC MINERAL OIL; (NAPTHENIC OIL). LD50 (ORAL,RAT)

CAS: 64742-34-3

Fraction By Weight: 72%

OSHA PEL N/K

ACGIH TLV: N/K

PERFORMED BY/KNOWN TO, PPG INDICATE A VERY LOW ORDER

RTECS: 9999999ZZ

UNTREATED NAPTHENIC OIL HAS PRODUCED SKIN CANCER IN

RTECS: 9999999ZZ

CNTCT MAY

RTECS: 9999999ZZ

MAY PRODUCE SKIN TUMORS ON PROLONGED/REPEATED

RTECS: 9999999ZZ

EXPOS MAY IRRIT EYES, NOSE, THROAT. DISCOMFORT.

RTECS: 9999999ZZ

ENTER MOUTH SHOULD BE RINSED OUT UNTIL

RTECS: 9999999ZZ

PROCESSING. ALL POSS HLTH EFTS ARE NOT KNOWN &

RTECS: 9999999ZZ

ALWAYS BE PROVIDED TO DRAW DUST, FUMES & VAPS AWAY

RTECS: 9999999ZZ

ADEQ TO MAINTAIN AMBIENT WORKPLACE ATMOSPHERE BELOW

RTECS: 9999999ZZ

LD50 LC50 Mixture:INGREDIENT 2
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: EXCESS CONT W/POWDER CAN CAUSE
DRY OF MUC MEMB OF NOSE, EYES, & THROAT DUE TO ABSORP OF MOISTURE &
OILS. MATL CAN ALSO CAUSE NASAL IRRIT & NOSEBLEEDS. EYE CONT
W/POWDER CAN RSLT IN MILD IRRIT. CHRONIC: AN EPIDEMIOLOGICAL STUDY
WAS CONDUCTED WHICH INCL 165 PRECIPITATED SILICA WORKERS WHO HAD
(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ: BEEN EXPOSED AN AVG OF 18 YRS. NO
ADVERSE EFTS WERE NOTED IN COMPLETE MED EXAM (INCL CHEST
ROENTGENOGRAMS) OF THESE WORKERS. PULM FUNC DECREMENTS WERE
CORRELATED ONLY W/SMOKING & AGE BUT NOT W/DEGREE/DURATION OF DUST
EXPOS. LAB STUDIES HAVE ALSO BEEN CONDUCTED IN SM ANIMALS VIA INHAL
TO LEVELS OF (SUPDAT)
Medical Cond Aggravated by Exposure:SILICON DIOXIDE: PERSONS W/BRTHG
PROBLEMS OR LUNG DISEASE SHOULD NOT WORK IN DUSTY AREAS UNLESS A
PHYSICIAN APPROVED AND CERTIFIES THEIR FITNESS TO WEAR RESPIRATORY
PROTECTION.

First Aid:EYE: IMMED RINSE W/CLEAN WATER FOR @ LST 15 MIN. RETRACT LIDS
OFTEN. IF IRRIT PERSISTS, SEEK MED ATTN. SKIN: IMMED REMOVE CONTAMD
CLTHG. WASH SKIN THORO W/MILD SOAP WATER. FLUSH W/LUKEWARM FOR 15
MIN . SEEK MED ATTN IF ILL EFT/IRRIT DEVELOPS. INHAL: REMOVE TO
FRESH AIR, CALL A PHYS IMMED. INGEST: GIVE LIQ & INDUCE VOMIT
UNLESS VICTIM IS UNCON. OBTAIN MED ASSIST. SM AMTS WHICH
ACCIDENTALLY (ING 8)

Flash Point Method:COC
Flash Point:>320F,>160C
Extinguishing Media:WATER FOG, CHEMICAL FOAM, DRY CHEMICAL POWDER AND
CO*2.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:CAN BE MADE TO BURN (FL PT >200F).

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

Handling and Storage Precautions:HNDLG CAN CREATE EXPLOS DUST CLOUDS.
ELIM IGNIT SOURCES, USE EXPLO PROOF EQUIP. AVOID DUST
ACCUMULATIONS.
Other Precautions:CONVEYING AND PROCESSING EQUIPMENT SHOULD BE
SPARK-PROOF, WELL BONDED AND GROUNDED.

Respiratory Protection:USE A NIOSH/MSHA APPRVD RESP SUCH AS 3M
9900/EQUIVALENT FOR PROTECTION AGAINST PNEUMOCONIOSIS PRODUCING
DUSTS.
Ventilation:PROVIDE EXPLO PROOF VENT AS REQD TO CTL AIRBORNE DUST
LEVELS. SUM TOTAL OF ALL INGRED MAY EMIT VAPS DURING NORM (ING 6)
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKER GOGGLES .
Other Protective Equipment:PROTECTIVE CLOTHING, EYE WASH STATION AND
SAFETY SHOWER WHICH MEET ANSI DESIGN CRITERIA .
Work Hygienic Practices:WASH W/SOAP & WATER BEFORE EATING, DRINKING,
SMOKING/USING TOILET FACILITIES. LAUNDER CONTAMD CLTHG BEFORE
RE-USE.
Supplemental Safety and Health
MATL TO AVOID: MAY ALTER TOX PROPERTIES. STRONG OXIDIZERS. EFTS OF
OVEREXP: PRECIPITATED SILICA DUST OF UP TO 126 MG/M3 FOR PERIODS OF
6 MTHS TO 2 YRS. ALTHOUGH PRECIPITATED SILICA WAS TEMPORARILY DEP
OSITED IN ANIMALS LUNGS, MOST OF DEPOSITED MATL WAS CLEARED SOON
AFTER DUST EXPOS ENDED. RSLTS OF ALL STUDIES (ING 3)

Boiling Pt:B.P. Text:WIDE RANGE
Vapor Pres:<0.0001
Vapor Density:>11
Spec Gravity:1.11
Evaporation Rate & Reference:NIL
Solubility in Water:NIL
Appearance and Odor:OFF-WHITE, FREE FLOWING POWDER W/LITTLE ODOR
Percent Volatiles by Volume:NIL

Stability Indicator/Materials to Avoid:YES
AVOID ALTERATION OF PROD PROPERTIES BEFORE REUSE. CALCINING, WHICH MAY
RSLT IN CRYSTALLINE FORM/MIX W/ADDITIVES (SUPDAT)
Stability Condition to Avoid:AVOID HIGH TEMPERATURES (>800C) TREATMENT.
Hazardous Decomposition Products:CARBON MONOXIDE AND ASPHYXIANTS.

Waste Disposal Methods:I/A/W LOCAL, STATE AND FEDERAL REGULATIONS.

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.