Product ID:SILICON DIOXIDE, AMORPHOUS
MSDS Date:11/05/1985
FSC:6810
NIIN:00F040878
MSDS Number: BXMNS

Emergency Phone: 908-685-5000

Info Phone: 908-685-5000

Cage: 85091

Telephone: 908685-5306

Cage: 85091

SILICON DIOXIDE, CELITE 322

CAS: 112945-52-5

RTECS: VV7310000

Fraction By Weight: >99%

OSHA PEL 80 MG/CUM

ACGIH TLV: 0.2 MG/CUM

LD50 LC50 Mixture:ORAL LD50(RAT): 3160 MG/KG
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYE & RESPIRATORY TRACT IRRITANT. DUE
TO ABSORPTION OF MOISTURE & OILS, MAY IRRITATE THE NOSE/THROAT &
CAUSE PNEUMOCONIOSIS. FROM 8-18 MONTHS OF EXPOSURE MAY DEVELOP
PULOMARY INSUFFICIENCY; AFTER 10-2 5 YEARS EXPOSURE, DEATH FROM
CARDIAC FAILURE/DESTRUCTION OF LUNG TISSUE W/RESULTANT ANOXEMIA.
(SEE SUPP)
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, DRYING, COUGH, NOSEBLEEDS. FROM
8-18 MONTHS: DYSPNEA, TACHYPNEA, CYANOSIS, COR PULMONALE. AFTER
10-25 YEARS: DYSPNEA, DRY COUGH, CHEST PAIN, DECREASED VITAL
CAPACITY, DIMINISHED CHEST EXPA NSION, FATIGUE, CYANOSIS, ANOREXIA,
COUGH W/STRINGY MUCOUS, PLEURATIC PAIN, DECREASED VISUAL ACUITY

First Aid:INHALATION: REMOVE TO FRESH AIR. IF BREATHING HAS STOPPED,
GIVE CPR. KEEP WARM & AT REST. SKIN; WASH W/SOAP/MILD DETERGENT &
LARGE AMOUNTS OF WATER FOR 15-20 MINS. EYES: WASH IMMEDIATELY
W/LARGE AMOU NTS OF WATER FOR 15-20 MINS. INGESTION: GIVE
WATER/FLUIDS. TREAT SUPPORTIVELY & SYMPTOMATICALLY. OBTAIN MEDCIAL
ATTENTION IN ALL CASES.

Flash Point:NONCOMBUSTIBLE
Extinguishing Media:DRY CHEMICAL, CO2, WATER SPRAY/FOAM. LARGE: WATER
SPRAY, FOG/ALCOHOL FOAM.
Fire Fighting Procedures:MOVE CONTAINER FROM FIRE AREA IF POSSIBLE.
AVOID BREATHING VAPORS/DUSTS. KEEP UPWIND.
Unusual Fire/Explosion Hazard:NONE WHEN EXPOSED TO HEAT/FLAME.

Other Precautions:AVOID REPEATED/PROLONGED CONTACT W/THIS SUBSTANCE.

Respiratory Protection:AT 100 MPPCF-USE DUST MASK. 200 MPPCF-DUST MASK,
EXCEPT SINGLE-USE & QUARTER-MASK RESPIRATORS. FUME/HIGH-EFFICIENCY
PARTICULATE RESPIRATOR/SUPPLIED-AIR RESPIRATOR/SCBA. 1000
MPPCF-HIGH EFFICIENCY PART ICULATE RESPIRATOR W/FULL FACEPIECE.
Ventilation:LOCAL EXHAUST/GENERAL DILUTION TO MEET PERMISSIBLE EXPOSURE
LIMITS.
Protective Gloves:RECOMMENDED
Eye Protection:ADVISABLE
Other Protective Equipment:NOT REQUIRED
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING & SHOES
BEFORE REUSE.
Supplemental Safety and Health
INCOMPATIBILITIES CONT'D: MAGNESIUM, VINYL ACETATE, HYDROCHLORIC ACID &
WATER, BURNING SODIUM, FLUORINE, PHOSPHORIC ACID, HYDROGEN
FLUORIDE. HEALTH HAZ CONT'D: SKIN-IRRITATION. EYES: IRRITATION. HAS
C AUSED FIBROTIC NODULES IN THE EYE ANALOGOUS TO PULMONARY
SILICOSIS, DECREASED VISUAL ACUITY DUE TO CORNEAL OPACITY.

Boiling Pt:B.P. Text:4046F
Melt/Freeze Pt:M.P/F.P Text:3110F
Vapor Pres:10
Spec Gravity:2.2
pH:<7
Solubility in Water:INSOLUBLE
Appearance and Odor:SOFT, CHALKY, WHITE POWDER W/NO TASTE/ODOR.

Stability Indicator/Materials to Avoid:YES
CHLORINE TRIFLUORIDE/LIQUID OXYGEN DIFLUORIDE/SILICAL GEL/OZONE/XENON
HEXAFLUORIDE/MANGANESE TRIFLUORIDE. (SEE SUPP)
Hazardous Decomposition Products:AT TEMPS >1472F, CALCINING MAY OCCUR &
AMORPHOUS SILICA MAY BE CONVERTED TO FIBROGENIC CRYSTALLINE SILICA

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE W/LOCAL, STATE &
FEDERAL REGULATIONS.

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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.