Product ID:SYTON HT-50 COLLOIDAL SILICA
MSDS Date:05/01/1990
FSC:8030
NIIN:00N072712
MSDS Number: CBYTV

Emergency Phone: 314-694-1000;800-424-9300(CHEMTREC)

Info Phone: 315-737-7381

Cage: 76541

Telephone: 314-694-6661 OR 800-332-3111

Cage: 76541

SILICA GEL; (SILICATE)

CAS: 112945-52-5

RTECS: VV7310000

Fraction By Weight: 50%

OSHA PEL 6 MG/M3

ACGIH TLV: 10 MG/M3

LD50 LC50 Mixture:LD50 (ORAL RAT): 7500 MG/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: BREATHING DRIED DUST OR SPRAY
MIST MAY CAUSE IRRITATION. REPEATED SKIN CONTACT MAY IRRITATE SOME
PEOPLE. COLLOIDAL SILICA MAY CAUSE MILD, TRANSIENT EYE IRRITATION.
CHRONIC: NONE SPECIFIED BY MA NUFACTURER.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:EYES: MILD EYE IRRITATION WITH DISCOMFORT,
TEARING OR BLURRING OF VISION. INHALATION: TEMPORARY LUNG EFFECTS
WITH COUGH. DISCOMFORT, DIFFICULTY, OR SHORTNESS OF BREATH.
Medical Cond Aggravated by Exposure:COLLOIDAL SILICA MAY CAUSE A TISSUE
RESPONSE IN THE LUNG (PNEUMOCONIOSIS) IF MISTS OR DUSTY DRIED
PARTICLES ARE INHALED.

First Aid:EYES: IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR AT LEAST 15
MINUTES. CALL MD. SKIN: FLUSH WITH WATER. INGESTION: NO SPECIFIC
INTERVENTION IS INDICATED AS COMPOUND IS NOT LIKELY TO BE HAZARDOUS
BY ING ESTION, HOWEVER, CONSULT MD IF NECESSARY. INHALATION: REMOVE
TO FRESH AIR. SUPPORT BREATHING (GIVE OXYGEN OR ARTIFICIAL
RESPIRATION) .

Flash Point:WILL NOT BURN
Extinguishing Media:AS APPROPRIATE FOR COMBUSTIBLES IN AREA.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA AND FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

Spill Release Procedures:FLUSH WITH WATER TO CHEMICAL SEWER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP CONTAINERS TIGHTLY CLOSED. STORE
AT TEMPERATURES ABOVE 2C (35F) TO AVOID IRREVERSIBLE PRECIPITATION
OF SILICA.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:USE NIOSH APPROVED RESPIRATOR WHERE DUST OR
SPRAY MIST OCCURS.
Ventilation:LOCAL EXHAUST WHEN SPRAYED TO PREVENT OVERSPRAY TO
ATMOSPHERE. MECHANICAL (GENERAL) VENTILATION: GOOD GENERAL VENT.
Protective Gloves:RUBBER GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS .
Other Protective Equipment:EMERGENCY EYEWASH & DELUGE SHOWER MEETING
ANSI DESIGN CRITERIA .
Work Hygienic Practices:AVOID CONTACT WITH EYES, SKIN, AND CLOTHING.
AVOID BREATHING DUST OR SPRAY MIST. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
VAP DENS: VAPOR IS WATER. PH: 9.8-10.6 @ 25C.

Boiling Pt:B.P. Text:212F,100C
Melt/Freeze Pt:M.P/F.P Text:32.0F,0.0C
Vapor Pres:24 @ 25C
Vapor Density:SUP DAT
Spec Gravity:1.38 (H*2O=1)
pH:SUPDAT
Evaporation Rate & Reference:<1 (BUTYL ACETATE=1)
Solubility in Water:100%
Appearance and Odor:MILKY WHITE LIQUID, ODORLESS

Stability Indicator/Materials to Avoid:YES
NO KNOWN HAZARDOUS INCOMPATIBILITY.
Stability Condition to Avoid:NO KNOWN HAZARDOUS INSTABILITY.
Hazardous Decomposition Products:NO KNOWN HAZARDOUS DECOMPOSITION.

Waste Disposal Methods:COMPLY WITH FEDERAL, STATE AND LOCAL
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.