Product ID:ACC20670, SILICA GEL
MSDS Date:06/26/1987
FSC:6810
NIIN:00N031406
MSDS Number: BNSFB

FISHER SCIENTIFIC

1 REAGENT LANE
FAIR LAWN, NJ 07410-2802
US

Emergency Phone: 201-796-7100

Info Phone: 201-796-7100

Cage: 1B464

FISHER SCIENTIFIC CO. CHEMICAL MFG DIV

FAIRLAWN, NJ 07410-2802 US

Telephone: 201-796-7100

Cage: 1B464

DUE TO CORNEAL OPACITY IN PUPILLARY AREA W/ABNORM

RTECS: 9999999ZZ

EVIDENCE OF CHEM REMAINS (APPROX 15-20 MIN).

RTECS: 9999999ZZ

2 TO 4 GLASSES OF WATER, AND INDUCE VOMITING BY

RTECS: 9999999ZZ

INFO & MATLS TO AVOID CONTACT NEHC .

RTECS: 9999999ZZ

SILICA GEL; (HYDRATED AMORPHOUS SILICA)

CAS: 63231-67-4

RTECS: VV7340000

Fraction By Weight: 100%

OSHA PEL 6 MG/M3

ACGIH TLV: 10 MG/M3

AFTER 10-25 YEARS EXPOS DYSPNEA, DRY COUGH,

RTECS: 9999999ZZ

OSHA PEL 80 MG/M3

ACGIH TLV: 10 MG/M3

EXPANSION MAY OCCUR & PROGRESS TO MARKED FATIGUE,

RTECS: 9999999ZZ

MUCOUS, PLEURATIC PAIN & INCAPACITY TO WORK. IF

RTECS: 9999999ZZ

CARDIAC FAILURE OR DESTRUCTION OF LUNG TISSUE WITH

RTECS: 9999999ZZ

IN THE EYE ANALOGOUS TO PULM SILICOSIS. IN ONE CASE

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:MAY IRRIT EYES & RESP TRACT.PRLNGD
INHAL MAY AFFECT LUNGS.ACUTE:INHAL:IRRIT/DRYING OF NOSE & THROAT
W/COUGH & NOSEBLEEDS MAY OCCUR.OVERWHELMING EXPOS HAS CAUSED ACUTE
PNEUMOCONIOSIS.SKIN:NO DATA AVAIL , MAY CAUSE IRRIT.EYE:PARTICLES
MAY CAUSE IMMED IRRIT.IN RABBITS, PARTICLES OF SILICA IN CORNEAL
(EFTS OF OVEREXPOS)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ: STOMA CAUSED VERY LITTLE RXN, BUT IF
PENETRATION OF ANTERIOR CHAMBER OCCURRED, AN INFLAMM REACTION W/
FORMATION OF FIBROTIC NODULES IN THE IRIDOCORNEAL ANGLE DEVELOPED
IN 3-5 WEEKS. INGEST: CHEMICALLY & BIOLOGICALLY INERT WHEN
INGESTED. CHRONIC: PURE AMORPHOUS SILICA IS LOW TOX & DOES NOT
(SUPP DATA)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INHAL:REMOVE FROM EXPOS AREA TO FRESH AIR IMMED.IF BRTHG HAS
STOPPED, PERFORM ARTF RESP.KEEP PERS WARM & @ REST.GET MED ATTN
IMMED. EYE:WASH IMMED W/LG AMTS OF WATER, OCCASIONALLY LIFTING
UPPER & LOWE R LIDS, UNTIL NO EVID OF CHEM REMAINS (APPROX 15-20
MIN).GET MED ATTN IMMED. SKIN:REMOVE CONTAMD CLTHG & SHOES IMMED.
WASH AFFECTED AREA W/SOAP/MILD DETERGENT & LG AMTS OF WATER UNTIL
NO (ING 8)

Extinguishing Media:DRY CHEM/CO2/WATER SPRAY/FOAM. LG FIRES:USE WATER
SPRAY, FOG/ALCOHOL FOAM.(1984 EMER RESPONSE GUIDEBOOK, DOT P
5800.3).
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT . NO ACUTE HAZ. MOVE CNTNR FROM FIRE AREA IF
POSS. AVOID BREATHING VAPS/DUSTS; KEEP UPWIND.
Unusual Fire/Explosion Hazard:NEGLIGIBLE FIRE AND NEGLIGIBLE EXPLOSION
HAZARD IN DUST FORM WHEN EXPOSED TO HEAT OR FLAME.

Spill Release Procedures:KEEP OUT OF SEWERS, WATERWAYS AND WATER
SOURCES.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID CONTACT WITH OR STORAGE WITH
INCOMPATIBLE MATERIALS. AVOID REPEATED/PROLONGED CONTACT.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:ALL MUST BE NIOSH/MSHA APPRVED:30 MG/M3-DUST
MASK, 300 MG/M3-FUME/HIGH EFFICIENCY PARTICULATE RESP W/FULL
FACEPIECE/SCBA, 3000 MG/M3-SUPPLIED AIR RESP W/FULL FACEPIECE,
HELMET, HOOD/SCBA W/FULL FACEPI ECE.FOR MORE RESP INFO CONT NEHC .
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION AND/OR GENERAL DILUTION
VENTILATION TO MEET PUBLISHED EXPOSURE LIMITS.
Protective Gloves:PROT GLOVES NOT REQD BUT RECOMMENDED.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:PROTECTIVE CLOTHING NOT REQUIRED. AVOID
REPEATED OR PROLONGED CONTACT WITH THIS SUBSTANCE.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
HLTH HAZ: CAUSE SILICOSIS; HOWEVER, IT IS USUALLY CONTAMD W/CRYSTALLINE
SILICA. INDIVIDUAL SUSCEPTIBILITY VARIES. OCCASIONALLY, W/ONLY 8-18
MONTHS OF EXPOS, A RAPIDLY DEVELOPING PULM INSUFFICIENCY, DY SPNEA,
TACHYPNEA & CYANOSIS FOLLOWED BYCOR PULMONALE & A SHORT SURVIVAL
TIME OCCUR. MORE FREQUENTLY, (ING 2)

HCC:N1
Boiling Pt:B.P. Text:4046F,2230C
Melt/Freeze Pt:M.P/F.P Text:3110F,1710C
Spec Gravity:2
pH:7.9
Solubility in Water:INSOLUBLE
Appearance and Odor:COLORLESS TO WHITE, ODORLESS POWDER OR GRANULES.
INDICATING GRADE MAY BE BLUE.

Stability Indicator/Materials to Avoid:YES
OXIDIZERS, CHLORINE TRIFLUORIDE, MAGNESIUM, VINYL ACETATE, HCL,
FLUORINE & OTHER MATLS. FOR MORE (ING 10)
Stability Condition to Avoid:AVOID CONTACT WITH OR STORAGE WITH
INCOMPATIBLE MATERIALS.
Hazardous Decomposition Products:AT TEMPS ABOVE 800C, CALCINING MAY
OCCUR & AMORPHOUS SILICA MAY BE CONVERTED TO FIBROGENIC CRYSTALLINE
SILICA.

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

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