Product ID:ETHYL SILICATE
MSDS Date:07/14/1993
FSC:6810
NIIN:00F045808
MSDS Number: BYMDF

Emergency Phone: 310-516-8000

Info Phone: 310-516-8000

Cage: 63415

Telephone: 310-516-9843

Cage: 63415

ETHYL SILICATE, TETRA ETHYL ORTHOSILICATE

CAS: 78-10-4

RTECS: VV9450000

Fraction By Weight: 100%

OSHA PEL 100 PPM

ACGIH TLV: 10 PPM

LD50 LC50 Mixture:ORAL LD50(RAT): 6270 MG/KG
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: IRRITATION/NARCOTIC. 1000
PPM IMMEDIATELY DANGEROUS TO LIFE/HEALTH. EXPOSURE TO AMOUNTS
RANGING FROM 125-1000 PPM RESULTED IN LIVER, LUNG, SLIGHT TO
MODERATE KIDNEY DAMAGE & SIGNIFICANT MO RTALITY. SKIN:
IRRITATION/DERMATITIS & CORROSION. EYES: EXTREME IRRITATON, BURNS &
CONJUNCTIVITIS. INGESTION: CORROSION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, HEADACHE, NAUSEA, VOMITING,
DIZZINESS, FATIGUE, TREMORS, NARCOSIS, LACRIMATION, REDNESS, PAIN,
BLURRED VISION, BURNS, DISCOMFORT, PAINFUL SWALLOWING, DIARRHEA.

First Aid:INHALATION: REMOVE TO FRESH AIR IMMEDIATELY. GIVE CPR IF
NEEDED. KEEP WARM & AT REST. TREAT SYMPTOMATICALLY & SUPPORTIVELY.
SKIN: WASH AREA W/SOAP/MILD DETERGENT & LARGE AMOUNTS OF WATER FOR
15-20 MIN S. EYES: WASH IMMEDIATELY W/LARGE AMOUNTS OF WATER/NORMAL
SALINE FOR 15-20 MINS. INGESTION: IF CONSCIOUS & NOT CONVULSING,
INDUCE EMESIS BY GIVING SYRUP OF IPECAC FOLLOWED BY WATER. (SEE
SUPP)

Flash Point:84F
Lower Limits:1.3
Upper Limits:23
Extinguishing Media:DRY CHEMICAL, CO2, WATER SPRAY/REGULAR FOAM. LARGE
FIRES, USE WATER SPRAY, FOG/REGULAR FOAM.
Fire Fighting Procedures:WEAR SCBA W/A FULL FACEPIECE & OPERATED IN A
POSITIVE PRESSURE MODE. MOVE CONTAINERS SAFELY. DON'T GET WATER
INTO CONTAINERS. STAY AWAY FROM ENDS OF TANK. (SUPP
Unusual Fire/Explosion Hazard:MODERATE HAZARD WHEN EXPOSED TO
HEAT/FLAME. VAPORS ARE > AIR & MAY TRAVEL TO DISTANT IGNITION
SOURCES & FLASHBACK. VAPOR-AIR MIXTURES ARE EXPLOSIVE >FLASHPOINT.

Spill Release Procedures:SHUT OFF IGNITION SOURCES. DON'T TOUCH
MATERIAL. STOP LEAK SAFELY. USE WATER SPRAY TO REDUCE VAPORS. DON'T
GET WATER INSIDE CONTAINER. SMALL: TAKE UP W/SAND/OTHER ABSORBENT
MATERIAL & PLACE INTO CONTA INERS FOR LATER DISPOSAL. (SEE SUPP)

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE; KEEP
CONTAINER TIGHTLY CLOSED WHEN NOT IN USE. STORE AWAY FROM
INCOMPATIBLE SUBTANCES. NO SMOKING IN HAZARDOUS AREA.
Other Precautions:AVOID CONTACT W/HEAT, SPARKS, FLAMES/OTHER IGNITION
SOURCES. VAPORS MAY BE EXPLOSIVE. MATERIAL IS CORROSIVE; AVOID
CONTACT W/SKIN/EYES. DON'T ALLOW CONTAMINATION OF WATER SOURCES.
AVOID BREATHING CORR OSIVE VAPORS. KEEP UPWIND.

Respiratory Protection:USE ANY SUPPLIED-AIR RESPIRATOR W/A FULL
FACEPIECE OPERATED IN A PRESSURE DEMAND/OTHER POSITIVE PRESSURE
MODE.
Ventilation:LOCAL EXHAUST TO MEET EXPOSURE LIMITS. EQUIPMENT MUST BE
EXPLOSION PROOF.
Protective Gloves:REQUIRED
Eye Protection:SPLASH-PROOF/RESISTANT SAFETY GOGGLES
Other Protective Equipment:APPROPRIATE PROTECTIVE (IMPERVIOUS) CLOTHING
& EQUIPMENT. EYE WASH FOUNTAIN.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING & SHOES
BEFORE REUSE.
Supplemental Safety and Health
FIRE PROC: USE WATER SPRAY TO ABSORB FLAMMABLE, CORROSIVE VAPORS. FIRST
AID: IF VOMITING OCCURS KEEP HEAD < THE HIPS TO PREVENT ASPIRATION.
GIVE ACTIVATED CHARCOAL. PERFORM GASTRIC LAVAGE CAUTIOSLY BY A
QUALIFIED MEDICAL PERSONNEL. SPILLS:LARGE-DIKE FAR AHEAD FOR LATER
DISPOSAL. EVACUATE AREA/ISOLATE & DENY ENTERY.

Boiling Pt:B.P. Text:329-336F
Melt/Freeze Pt:M.P/F.P Text:-123/-107F
Vapor Pres:2
Vapor Density:7.2
Spec Gravity:0.92-0.95
Evaporation Rate & Reference:(BU AC = 1): 0.3
Solubility in Water:DECOMPOSES SLOWLY
Appearance and Odor:COLORLESS LIQUID W/ALCOHOL-LIKE ODOR
Percent Volatiles by Volume:99.9

Stability Indicator/Materials to Avoid:YES
ACIDS, ALKALIES, OXIDIZERS, PLASTICS, RUBBER, COATINGS.
Stability Condition to Avoid:HEAT, SPARKS, FLAMES/OTHER IGNITION
SOURCES.
Hazardous Decomposition Products:TOXIC OXIDES OF CARBON & SILICON.

Waste Disposal Methods:DISPOSAL MUST BE IAW/FEDERAL, STATE & LOCAL
REGULATIONS. EPA HAZARDOUS WASTE NO D001.

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.