Product ID:SILICONE RUBBER SEALANT, RTV108
MSDS Date:09/25/1997
FSC:8040
NIIN:01-173-9815
MSDS Number: CHSWB

GE SILICONES

260 HUDSON RIVER RD
WATERFORD, NY 12188
US

Emergency Phone: 518-237-3330

Info Phone: 518-237-3330

Preparer: CE HANNIGAN

Cage: GESIL

GENERAL ELECTRIC CO, SILICONE PRODUCTS BUSINESS DEPT

WATERFORD, NY 12188 US

Telephone: 518-237-3330/800-332-3390

Cage: 01139

2,060 MG/KG

CAS: 4253-34-3

RTECS: VV4500000

Fraction By Weight: 1-5%

OSHA PEL 10 PPM (MFR)

ACGIH TLV: 10 PPM (MFR)

>64,000

CAS: 556-67-2

RTECS: GZ4397000

Fraction By Weight: 1-5%

OSHA PEL N/K

ACGIH TLV: 5 PPM (MFR)

>40000

CAS: 70131-67-8

Fraction By Weight: 60-80%

OSHA PEL N/K

ACGIH TLV: N/K

SILANOL/STPD SILOXANE W/ME SILSQXNS; LD50 (ORAL RAT)

CAS: 68554-67-6

Fraction By Weight: 5-10%

OSHA PEL N/K

ACGIH TLV: N/K

>10,000 MG/KG

CAS: 68611-44-9

Fraction By Weight: 10-30%

OSHA PEL 15 PPM (MFR)

ACGIH TLV: N/K

RANGE FINDING REPRO STUDIES WERE CONDUCTED (WHOLE

RTECS: 9999999ZZ

GESTATION & LACTATION)

RTECS: 9999999ZZ

GROUP, THERE WAS A STATISTICALLY SIGNIFICANT

RTECS: 9999999ZZ

INTERIM RSLTS FROM A 2 GENERATION REPRO STUDY IN

RTECS: 9999999ZZ

70 DAYS PRIOR TO MATING, THRU MATING, GESTATION &

RTECS: 9999999ZZ

LIVE MEAN LITTER SIZE AS WELL AS EXTENDED PERIODS

RTECS: 9999999ZZ

DATA TO HUMANS IS UNCLEAR. FURTHER STUDIES ARE

RTECS: 9999999ZZ

CAN GENERATE FORMALDEHYDE AT APPROX 300F (150C) &

RTECS: 9999999ZZ

A SKIN & RESPIRATORY SENSITIZER, EYE & THROAT

RTECS: 9999999ZZ

AN MSDS FOR FORMALDEHYDE IS AVAILABLE FROM GE

RTECS: 9999999ZZ

UNCURED PROD CONT IRRITATES EYES & MAY IRRITATE

RTECS: 9999999ZZ

LD50 LC50 Mixture:SEE INGREDIENTS.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INGEST: MAY BE HARMFUL IF
SWALLOWED. SKIN: UNCURED PROD CONT WILL IRRITATE LIPS, GUMS &
TONGUE. UNCURED PROD MAY IRRITATE SKIN. INHAL: CAUSES IRRIT OF
MOUTH, NOSE & THROAT. APPLIES ONLY TO UNCU RED PROD. EYES: UNCURED
PROD CONT IRRITATES EYES. SUBCHRONIC (TARGET ORGAN) EFTS: REPRO
DISORDERS. (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: MAY CAUSE LIVER EFTS. INGEST: RODENTS
GIVEN LGE DOSES VIA ORAL GAVAGE OF OCTAMETHYLCYCLOTETRASILOXANE
(1600 MG/KG/DAY, 14 DAYS), DEVELOPED INCRD LIVER WTS RELATIVE TO
UNEXPOSED CTL ANIMALS D UE TO HEPATOCELLULAR HYPERPLASIA
(INCRDNUMBER OF LIVER CELLS WHICH APPEAR NORM) AS WELL AS
HYPERTROPHY (SUP DAT)
Medical Cond Aggravated by Exposure:NONE KNOWN.

First Aid:INGESTION: RINSE MOUTH WITH WATER SEVERAL TIMES. SKIN: TO
CLEAN FROM SKIN, REMOVE COMPLETELY WITH A DRY CLOTH OR PAPER TOWEL,
BEFORE WASHING WITH DETERGENT AND WATER. GET MEDICAL ATTENTION IF
IRRITATI ON PERSISTS. INHALATION: MOVE PERSON TOFRESH AIR. EYES:
IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR AT LEAST 15 MINUTES AND
GET MEDICAL ATTENTION IF IRRITATION PERSISTS. NOTE TO MD: NONE
KNOWN.

Extinguishing Media:ALL STANDARD FIREFIGHTING MEDIA.
Fire Fighting Procedures:NONE KNOWN. WEAR NIOSH APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

Spill Release Procedures:WIPE, SCRAPE/SOAK UP W/INERT MATERIAL & PUT IN
CONTAINER FOR DISPOSAL. WASH WALKING SURFACES W/DETERGENT & WATER
TO REDUCE SLIPPING HAZARD. WEAR PROPER PROTECTIVE EQUIPMENT AS
SPECIFIED IN PROTECTIVE EQUIPMENT SECTION. INCREASE AREA
VENTILATION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:CAUTION! REMOVE CONT LENSES BEFORE
USING SEALANT. DO NOT HANDLE LENSES UNTIL ALL SEALANT HAS BEEN
CLEANED FROM FINGERTIPS, NAILS & CUTICLES.
Other Precautions:RESIDUAL SEALANT MAY REMAIN ON FINGERS FOR SEVERAL
DAYS & TRANSFER TO LENSES & CAUSE SEV EYE IRRIT. AVOID SKIN & EYE
CONT. PROD RELEASES ACETIC ACID DURING APPLICATION & CURING. USE
MECH VENT TO STAY BELOW TLV OF 10 PPM ACETIC ACID.(ING 17)

Respiratory Protection:USE IN A WELL-VENTILATED AREA. USE APPROVED
NIOSH RESPIRATORY PROTECTION IF TLV EXCEEDED, OR OVEREXPOSURE IS
LIKELY.
Ventilation:USE ONLY IN A WELL-VENTILATED AREA.
Protective Gloves:CLOTH GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:NONE KNOWN. EMERGENCY EYEWASH AND DELUGE
SHOWER MEETING ANSI DESIGN CRITERIA .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EFTS OF OVEREXP: (INCREASED CELL SIZE). INHAL: IN INHALATION STUDIES,
LAB RODENTS EXPOSED TO OCTAMETHYLCYCLOTETRASILOXANE (300 PPM 5
DAYS/WEEK, 90 DAYS) DEVELOPED INCREASED LIVER WEIGHTS IN FEMALE ANI
MALS RELATIVE TO UNEXPOSED CONTROL ANIMALS. WHEN EXPOSURE WAS
STOPPED, LIVER WEIGHTS RETURNED TO NORMAL. (ING 7)

Spec Gravity:1.06 (H*2O=1)
VOC Pounds/Gallon:41
Evaporation Rate & Reference:<1 (BUTYL ACETATE=1)
Solubility in Water:INSOLUBLE
Appearance and Odor:TRANSLUCENT SOLID WITH ACETIC ACID ODOR.
Percent Volatiles by Volume:<3.9

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Stability Condition to Avoid:NONE KNOWN.
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE,
SILICON DIOXIDE, ACETIC ACID, FORMALDEHYDE.

Waste Disposal Methods:DISPOSAL SHOULD BE MADE IN ACCORDANCE 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.