Product ID:SILICONE COMPOUND, RTV6428B
MSDS Date:02/12/1993
FSC:8030
NIIN:00N066949
Kit Part:Y
MSDS Number: CBFCD

GE SILICONES

260 HUDSON RIVER RD
WATERFORD, NY 12188
US

Emergency Phone: 518-237-3330

Info Phone: 518-237-3330

Preparer: DA POLSINELLI

Cage: GESIL

GENERAL ELECTRIC CO, SILICONE PRODUCTS BUSINESS DEPT

WATERFORD, NY 12188 US

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

Cage: 01139

SILOXANES AND SILICONES, DI-ME, VINYL GROUP TERMINATED;

CAS: 68083-19-2

RTECS: VW3300000

Fraction By Weight: 30-60%

OSHA PEL N/K

ACGIH TLV: N/K

DIMETHYL,METHYL HYDROGEN SILOXE COPOLYMER;

CAS: 68037-59-2

Fraction By Weight: 1-5%

OSHA PEL N/K

ACGIH TLV: N/K

SILICA, CRYSTALLINE - QUARTZ; (QUARTZ)

CAS: 14808-60-7

RTECS: VV7330000

Fraction By Weight: 30-60%

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.1 MG/M3 RDUST

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE:EYE:MAY CAUSE MILD IRRITATION.
THIS PROD CNTN METHYLPOLYSILOXANES WHICH CAN GENERATE FORMALDEHYDE
AT APPROXIMATELY 300F (150C) AND ABOVE, IN ATM WHICH CNTN OXYG.
FORMALDEHYDE IS A SKIN & RESP SE NSITIZER, EYES & THROAT IRRITANT,
ACUTETOXICANT, & POTENTIAL CANCER HAZARD. AN MSDS FOR FORMALDEHYDE
(EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ:IARC MONO,
SUPP. VOL 7, PG 341, 1987:GROUP 2A. NTP 7TH ANNUAL RPT ON CARCINS,
1994: (SUPDAT)
Effects of Overexposure:HLTH HAZ:IS AVAIL FROM GE SILICONES.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INGEST:CALL MD IMMEDIATELY . INHAL:REMOVE TO FRESH AIR.
SUPPORT BREATHING (GIVE O*2/ARTF RESP) . SKIN:REMOVE COMPLETELY
W/DRY CLOTH OR PAPER TOWEL, BEFORE WASHING WITH DETERGENT & WATER.
E YES:IMMED FLUSH W/PLENTY OF WATER FOR @LEAST 15 MINS & GET MED
ATTN IF IRRIT PERSISTS.

Flash Point Method:PMCC
Flash Point:>250F,>121C
Extinguishing Media:ALL STANDARD FIREFIGHTING MEDIA.
Fire Fighting Procedures:NONE KNOWN. USE NIOSH/MSHA APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

Spill Release Procedures:WASH WALKING SURFACES W/DETERGENT & WATER TO
REDUCE SLIPPING HAZARD. WEAR PROPER PROT EQUIP AS SPECIFIED IN THE
PROT EQUIP SECTION. WIPE, SCRAPE, OR SOAK UP IN AN INERT MATL & PUT
IN CNTNR INTENDED FO R FLAMMABLE MATLS FOR DISPOSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:RECOMMENDED STOR IN ORIGINAL CNTNR
BELOW 20C (85F). KEEP CNTNR CLSD WHEN NOT IN USE. DO NOT REUSE THIS
CNTNR.
Other Precautions:RELIEVE ANY INTERNAL PRESS WHEN RECEIVED & AT LEAST
WEEKLY THEREAFTER BY SLOWLY LOOSENING BUNG. RETIGHTEN BUNG IMMED.
KEEP CNTNR CLSD WHEN NOT IN USE TO PVNT CONT W/ACIDIC,
BASIC/OXIDIZING MATLS, & ME TALLIC CATALYSTS LIKE TIN SOAPS
(SUPDAT)

Respiratory Protection:NONE KNOWN. NIOSH/MSHA APPROVED RESPIRATOR
APPROPRIATE FOR EXPOSURE OF CONCERN .
Ventilation:NONE KNOWN.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EMERGENCY EYE WASH & DELUGE
SHOWER .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
OTHER PREC:AND NOBLE METALS (PT, RH, ETC).

Boiling Pt:B.P. Text:>500F,>260C
Spec Gravity:1.39 (WATER =1)
Evaporation Rate & Reference:<1 (BUTYL ACETATE =1)
Solubility in Water:INSOLUBLE
Appearance and Odor:OFF-WHITE LIQUID, SLIGHT ODOR.
Percent Volatiles by Volume:<1

Stability Indicator/Materials to Avoid:YES
ACIDIC, BASIC, OR OXIDIZING AGENTS, AND METALLIC CATALYSTS LIKE TIN
SOAPS & NOBLE METALS (PT, RH, ETC).
Stability Condition to Avoid:PRODUCT GENERATES FLAMMABLE GAS ON CONT
W/ACIDS, BASES OR OXIDIZING MATERIALS.
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE,
SILICON DIOXIDE, FLAMMABLE HYDROGEN GAS, 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.