Product ID:PSI-690 SILICONE SEALANT
MSDS Date:12/14/1990
FSC:8040
NIIN:00-880-7332
MSDS Number: BKJRF

POLYMERIC SYSTEMS, INC.

WHEATLAND AND MASON STREETS
PHOENIXVILLE, PA 19460
US

Emergency Phone: 215-935-1170

Info Phone: 215-935-1170 GOVT/RITA 404-331-5855

Preparer: E. F. CLUFF

Cage: 0KND3

POLYMERIC SYSTEMS, INC.

PHOENIXVILLE, PA 19460 US

Telephone: 610-935-1170

Cage: 0KND3

METHYLTRIACETOXYSILANE

CAS: 4253-34-3

RTECS: VV4500000

Fraction By Weight: 2-6%

ETHYLTRIACETOXYSILANE

CAS: 17689-77-9

Fraction By Weight: 2-6%

0.4 LB/GL; 40 G/L

RTECS: 9999999VO

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: SEVERE IRRITATION TO
RESPIRATORY TRACT, PULMONARY EDEMA, EYE LACRIMATION, CORNEAL EDEMA,
SKIN IRRITATION AND DERMATITIS. CHRONIC: BRONCHITIS, LARYNGITIS,
DERMATITIS, CONJUNCTIVITIS.
Effects of Overexposure:IRRITATION TO SKIN, EYES AND MUCOUS
MEMBRANES.MAY CAUSE DISCOMFORT, TEARING, CHOKING OR BURNING
SENSATION.
Medical Cond Aggravated by Exposure:RESPIRATORY, EYE AND SKIN
DISORDERS.

First Aid:REMOVE TO FRESH AIR. WASH SKIN WITH SOAP AND WATER. FLUSH
EYES WITH WATER FOR AT LEAST 15 MINUTES.

Flash Point Method:CC
Flash Point:>400F,>204C
Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL, 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 (CO AND SIO2).

Spill Release Procedures:PRODUCT RELEASES ACETIC ACID WHEN MIX W/AIR.
PROVIDE ADEQUATE VENTILATION. WEAR PROPER PROTECTIVE EQUIPMENT IF
HANDLING LARGE AMOUNTS. TRANSFER TO A WASTE CONTAINER. LET CURE TO
SOLID RUBBER, ALLOWING ALL LIBERATED ACETIC ACID TO DISSIPATE.
Neutralizing Agent:AQUEOUS SODIUM BICARBONATE

Handling and Storage Precautions:AVOID PROLONGED SKIN CONTACT.
LIBERATED ACETIC ACID VAPORS CAUSE IRRITATION TO SKIN, EYES AND
BRONCHIAL TISSUES. DO NOT INGEST.

Respiratory Protection:IF USED IN CLOSED SPACE WHERE VENTILATION IS
INADEQUATE, USE A CHEMICAL CARTRIDGE RESPIRATOR WITH FULL FACE
PIECE AND ORGANIC VAPOR CARTRIDGES (NIOSH/MSHA APPROVED) TO PROTECT
AGAINST ACETIC ACID VAPO RS.
Ventilation:RECOMMENDED 10 CHANGES PER HOUR.
Protective Gloves:DISPOSABLE PLASTIC.
Eye Protection:SAFETY GLASSES
Other Protective Equipment:NONE
Work Hygienic Practices:WASH BEFORE EATING, DRINKING OR SMOKING. DO NOT
RUB EYES WHILE WORKING WITH SEALANT.
Supplemental Safety and Health
KEY1: N1. THIS ENTRY DESCRIBES PART 1 OF A TWO PART KIT. SEE THIS SAME
NSN, P/N IND C, FOR PART 2 DATA.

HCC:N1
Decomp Temp:Decomp Text:>400F,>204C
Vapor Pres:< 5
Vapor Density:2.07
pH:3-5
Solubility in Water:MODERATE
Appearance and Odor:THICK PASTE, VINEGARLIKE ODOR
Percent Volatiles by Volume:4-7

Stability Indicator/Materials to Avoid:YES
AVOID PROLONGED CONTACT WITH MOISTURE DURING STORAGE.
Hazardous Decomposition Products:ACETIC ACID FROM MOISURE CONTACT. CO
AND VOLATILE ORGANICS AND SILICA AEROSOLS FROM THERMAL DEGRADATION.

Waste Disposal Methods:NOT AN EPA HAZARDOUS WASTE. DISPOSE OF IN
ACCORDANCE WITH APPROPRIATE GOVERNAMENTAL 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.