Product ID:NATROCEL 97-A
MSDS Date:09/07/1993
FSC:9150
NIIN:00N022073
MSDS Number: CBBJH

NATROCHEM INC

SAVANNAH, GA 31498-4201
US

Emergency Phone: 912-236-4464

Info Phone: 912-236-4464

Preparer: JAMES L. PYE JR.

Cage: 9C469

NATROCHEM INC

1205 SAVANNAH, GA 31498-4201 US

Telephone: 912-236-4464

Cage: 9C469

BE ADEQUATE TO MAINTAIN AMBIENT WORKPLACE ATMOSPHERE

RTECS: 9999999ZZ

SHOULD ALWAYS BE PROVIDED TO DRAW DUST, FUMES & VAPS

RTECS: 9999999ZZ

SILICA GEL; (SILICON DIOXIDE)

CAS: 112945-52-5

RTECS: VV7310000

Fraction By Weight: 26-30%

OSHA PEL 6 MG/M3

ACGIH TLV: 10 MG/M3

MINERAL OIL, PETROLEUM EXTRACTS, HEAVY PARAFFINIC

CAS: 64742-04-7

RTECS: PY8042500

Fraction By Weight: 70-74%

OSHA PEL N/K

ACGIH TLV: N/K

SIX MONTHS TO TWO YRS. ALTHOUGH PRECIP SILICA WAS

RTECS: 9999999ZZ

DEPOSITED MATL WAS CLEARED SOON AFTER DUST EXPOS

RTECS: 9999999ZZ

INDICATES VERY LOW ORDER OF PULMONARY ACTIVITY FOR

RTECS: 9999999ZZ

ACCIDENTALLY ENTER MOUTH SHOULD BE RINSED

RTECS: 9999999ZZ

NORMAL PROCESSING. ALL POSS HLTH EFTS ARE NOT KNOWN &

RTECS: 9999999ZZ

LD50 LC50 Mixture:LD50:(ORAL) 5-15 G/KG.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE:EYES:MILDLY IRRIT. EXCESSIVE
CONT W/PWDR CAN CAUSE DRYING OF MUC MEMBS DUE TO ABSORPTION OF
MOISTURE & OILS. SKIN:MAY PRDCE SKIN TUMORS W/PRLNG OR RPTD CONT.
MOD IRRIT W/PRLNG OR RPTD CONT. AVOI D CONT. RPTD CONT HAS PRDCD
SKIN CANCER. INHAL:NUISANCE DUST. EXCESSIVE CONT W/PWDR CAN CAUSE
DRYING OF(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:MUC MEMBS OF NOSE & THROAT DUE TO
ABSORPTION OF MOISTURE & OILS. THIS MATL CAN ALSO CAUSE NASAL IRRIT
& NOSEBLEEDS. INGEST:SLIGHTLY TOX. CHRONIC:SILICON DIOXIDE:AN
EPIDEMIOLOGICAL STUDY WAS C ONDUCTED WHICH INCL 165 PRECIP SILICA
WORKERS WHO HAD BEEN EXPOS FOR AVG OF 18 YRS. NO ADVERSE EFTS WERE
NOTED (SUPDAT)
Medical Cond Aggravated by Exposure:SILICON DIOXIDE:PERSONS W/BREATHING
PROBEMS OR LUNG DISEASE SHOULD NOT WORK IN DUSTY AREAS UNLESS MD
APPROVES & CERTIFIES THEIR FITNESS TO WEAR NIOSH/MSHA APPROVED
RESPIRATORY PROTECTION.

First Aid:EYES:IMMED RINSE W/CLEAN WATER FOR AT LST 15 MINS. RETRACT
EYELIDS OFTEN. IF IRRIT PERSISTS, SEEK MED ATTN. SKIN:IMMED REMOVE
CONTAM CLTHG. WASH SKIN THORO W/MILD SOAP & WATER. FLUSH W/LUKEWARM
WATER FOR 15 MINS. SEEK MED ATTN IF ILL EFT/IRRIT DEVELOPS.
INHAL:REMOVE VICTIM TO FRESH AIR. INGEST:GIVE LIQS & INDUCE VOMIT
UNLESS VICTIM IS UNCONSCIOUS. OBTAIN MED ASSISTANCE. SM AMTS WHICH
(ING 6)

Flash Point Method:COC
Flash Point:410F,210C
Extinguishing Media:WATER FOG, CHEMICAL FOAM, DRY CHEMICAL POWDER,
CARBON DIOXIDE.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:CAN BE MADE TO BURN (FLASH POINT >200F).

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

Handling and Storage Precautions:NFPA CLASS IIIB STORAGE. HANDLING CAN
CREATE EXPLOSIVE DUST CLOUDS. ELIMINATES IGNITION SOURCES, USE
EXPLOSIVE PROOF EQUIPMENT.
Other Precautions:CONVEYING & PROCESSING EQUIPMENT SHOULD BE
SPARK-PROOF, WELL BONDED & GROUNDED. AVOID DUST ACCUMULATIONS.

Respiratory Protection:USE A NIOSH/MSHA APPROVED RESPIRATOR SUCH AS 3M
9900 OR EQUIIVALENT FOR PROTECTION AGAINST PNEUMOCONIOSIS PRODUCING
DUSTS.
Ventilation:PROVIDE EXPLO PROOF VENT AS REQD TO CONTROL AIRBORNE DUST
LEVELS. SUM TOTAL OF ALL INGS MAY EMIT VAPS DURING (ING 7)
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
ANSI DESIGN CRITERIA . PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH W/SOAP & WATER BEFORE EATING, DRINKING,
SMOKING OR USING TOILET FACILITIES. LAUNDER CONTAM CLOTHING BEFORE
REUSE.
Supplemental Safety and Health
EFTS OF OVEREXP:IN COMPLETE MED EXAM(INCL CHEST ROENTGENOGRAMS) OF
THESE WORKERS. PULM FUNC DECREMENTS WERE CORROLATED ONLY W/SMOKING
& AGE BUT NOT W/DEGREE OR DURATION OF DUST EXPOS. LAB STUDIES HAV E
ALSO BEEN CONDUCTED IN SM ANIMALS VIAINHAL TO LEVELS OF PRECIP
SILICA DUST OF UP TO 126 MG/M3 FOR PERIODS FROM(ING 3)

Boiling Pt:B.P. Text:>599F,>315C
Vapor Pres:<0.0001
Vapor Density:12.9
Spec Gravity:1.143
Evaporation Rate & Reference:1000 X SLOWER
Solubility in Water:NIL
Appearance and Odor:BROWN, FREE FLOWING POWDER W/SLIGHT ODOR.
Percent Volatiles by Volume:NIL

Stability Indicator/Materials to Avoid:YES
CALCINING, WHICH MAY RSLT IN CRYSTALLINE FORM/MIXING W/ADDITIVES MAY
ALTER TOXICOLOGICAL PROPERTIES. STRONG OXIDIZERS.
Stability Condition to Avoid:AVOID HIGH TEMPERATURES (>800C) TREATMENT.
AVOID ALTERATION OF PRODUCT PROPERTIES BEFORE REUSE.
Hazardous Decomposition Products:OXIDES OF CARBON.

Waste Disposal Methods:IN ACCORDANCE W/LOCAL, STATE & FEDERAL
REGULATIONS. DO NOT FLUSH TO DRAIN OR STORM SEWER. CONTRACT TO
AUTHORIZED DISPOSAL SERVICE.

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.