Product ID:PSI-631 SILICONE SEALANT
MSDS Date:12/14/1990
FSC:8040
NIIN:01-009-1562
Kit Part:Y
MSDS Number: BJZXK

POLYMERIC SYSTEMS, INC.

WHEATLAND & MASON STREETS
PHOENIXVILLE, PA 19460
US

Emergency Phone: 215-935-1170

Info Phone: 215-935-1170

Preparer: E. F. CLUFF

Cage: 0KND3

POLYMERIC SYSTEMS, INC.

PHOENIXVILLE, PA 19460 US

Telephone: 610-935-1170

Cage: 0KND3

METHYLTRIS (METHYLETHYLKETOXIMINO) SILANE

CAS: 22984-54-9

Fraction By Weight: 4-7%

VOC 0.4 LBS/GAL

RTECS: 9999999VO

VOC 40 GRAMS/LITER

RTECS: 9999999VO

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:MAY CAUSE DROWSINESS AND NARCOSIS. NO
EVIDENCE OF CHRONIC EFFECTS PRODUCED BY VAPOR. ORAL FEEDING OF MEKO
TO ANIMALS PRODUCED ADVERSE EFFECTS ON RED BLOOD CELLS.
Effects of Overexposure:RELEASES METHYL ETHYL KETOXIME (MEKO) ON
EXPOSURE TO AIR OR MOISTURE. MAY CAUSE REVERSIBLE NARCOSIS IN HIGH
VAPOR CONCENTRATIONS.
Medical Cond Aggravated by Exposure:ANEMIA

First Aid:INHALATION: REMOVE TO FRESH AIR. EYES: WASH WITH WATER FOR 15
MINUTES.

Flash Point Method:OC
Flash Point:250F,121C
Extinguishing Media:WATER, CO2, DRY CHEMICALS, FOAM, SAND.
Fire Fighting Procedures:USE SELF-CONTAINED BREATHING APPARATUS
OPERATED IN POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:TOXIC GASES AND AEROSOLS MAY BE PRODUCED
BY COMBUSTION, E.G., CO AND SIO2.

Spill Release Procedures:MATERIAL RELEASES METHYL ETHYL KETOXIME SLOWLY
ON EXPOSURE TO AIR. PROVIDE ADEQUATE VENTILATION DURING CLEAN UP.
TRANSFER TO A WASTE CONTAINER. LET CURE TO SOLID RUBBER.

Handling and Storage Precautions:AVOID PROLONGED SKIN CONTACT AND
BREATHING OF VAPORS. DO NOT INGEST. STORE UNDER 100 F. AVOID
EXPOSURE TO MOISTURE.
Other Precautions:WASH BEFORE EATING, DRINKING OR SMOKING. DO NOT RUB
EYES WHILE WORKING WITH SEALANT.

Respiratory Protection:IF A HIGH VAPOR CONCENTRATION IS ANTICIPATED,
USE A CHEMICAL CARTRIDGE RESPIRATOR WITH ORGANIC VAPOR CARTRIDGE(S)
(MSHA AND NIOSH APPROVED) TO PROTECT AGAINST MEKO VAPORS.
Ventilation:GENERAL MECHANICAL VENTILATION SHOULD BE ADEQUATE.
Protective Gloves:DISPOSABLE PLASTIC
Eye Protection:SAFETY GLASSES
Supplemental Safety and Health

Decomp Temp:Decomp Text:>752F,>400C
Vapor Pres:<8 MM
Vapor Density:3
pH:7-8
Viscosity:10-20,000 *
Solubility in Water:MODERATE
Appearance and Odor:THICK PASTE, SLIGHT MEDICINAL ODOR.
Percent Volatiles by Volume:4-7
Corrosion Rate:*POISE

Stability Indicator/Materials to Avoid:YES
WATER
Stability Condition to Avoid:HIGH TEMPERATURES
Hazardous Decomposition Products:CO, VOLATILE ORGANICS AND SILICA
AEROSOLS FROM THERMAL DEGRADATION.

Waste Disposal Methods:NOT AN EPA HAZARDOUS WASTE. DISPOSE OF IN
ACCORDANCE WITH APPROPRIATE GOVERNMENTAL REGULATIONS. NORMALLY
LANDFILLING IS APPROPRIATE FOR CURED, SOLID RUBBER.

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.