Product ID:SILICONE RESIN
MSDS Date:02/02/1991
FSC:9999
NIIN:00B040039
MSDS Number: BKBHL

DOW CORNING CORPORATION

SOUTH SAGINAW ROAD
MIDLAND, MI 48686
US

Emergency Phone: (517) 496-5900

Info Phone: (517) 496-600

Preparer: JACK L. SHENEBERGER

Cage: 5D028

DOW CORNING CORP

AUBURN, MI 48611 US

Telephone: 517-496-4388

Cage: 71984

TOLUENE

CAS: 108-88-3

Fraction By Weight: 14%

OSHA PEL 200 PPM/150 STEL

ACGIH TLV: 50 PPM; 9293

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

SOLVENT NAPHTHA, PETROLEUM, LIGHT ALIPHATIC

CAS: 64742-89-8

Fraction By Weight: 39%

ISOBUTYLISOBUTYRATE

CAS: 97-85-8

Fraction By Weight: 13%

PROPYLENE GLYCOL METHYL ETHER

CAS: 107-98-2

Fraction By Weight: 13%

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Health Hazards Acute and Chronic:ACUTE: SLIGHT TO MODERATE IRRITATION
OF THE EYES AND SKIN. CHRONIC: REPEATED PROLONGED EXPOSURE TO SKIN
IRRITATES SERIOUSLY AND MAY BURN. VAPORS MAY INJURE BLOOD, LIVER,
LUNGS, KIDNEYS AND NERVOUS S YSTEM. DEGREE OF EFFECTS DEPENDS ON
CONCENTRATION AND LENGTH OF EXPOSURE.
Effects of Overexposure:EYES: SLIGHT TO MODERATE IRRITATION. SKIN: MAY
IRRITATE SERIOUSLY OR BURN MILDLY. INHALATION: SHORT EXPOSURE MAY
CAUSE DROWSINESS AND IRRITATE NOSE AND THROAT. VAPORS MAY INJURE
BLOOD, LIVER, LUNDS, KIDNEYS AND NERVOUS SYSTEM. ORAL: SWALLOWING
LARGE AMOUNTS MAY INJURE SERIOUSLY.
Medical Cond Aggravated by Exposure:PROLONGED TOLUENE OVEREXPOSURE MAY
INJURE BLOOD, LIVER, LUNGS, KIDNEYS AND NERVOUS SYSTEM AND MAY
AGGRAVATE EXISTING EYE, SKIN AND RESPIRATORY DISORDERS.

First Aid:EYES: IMMEDIATELY FLUSH WITH WATER FOR 15 MIN., GET MEDICAL
ATTENTION: SKIN: WIPE OFF AND FLUSH WITH WATER FOR 15 MIN., GET
MEDICAL ATTENTION IF IRRITATION DEVELOPS. INHALATION: REMOVE TO
FRESH AIR. GET MEDICAL ATTENTION IF ILL EFFECTS PERSIST. ORAL:
GET MEDICAL ATTENTION IF LARGE AMOUNT SWALLOWED. DO NOT INDUCE
VOMITTING. IF VOMITTING OCCURS, KEEP HEAD BELOW HIPS TO PREVENT
ASPIRATION.

Flash Point Method:TCC
Flash Point:40.0F,4.4C
Extinguishing Media:WATER FOG, CO2, DRY CHEMICAL, FOAM
Fire Fighting Procedures:SCBA AND PROTECTIVE CLOTHING SHOULD BE WORN IN
FIGHTING FIRES INVOLVING CHEMICALS.
Unusual Fire/Explosion Hazard:VAPORS ARE HEAVIER THAN AIR AND CAN
TRAVEL ALONG THE GROUND TO REMOTE IGNITION SOURCES.

Spill Release Procedures:USE ABSORBENT MATERIAL TO COLLECT AND CONTAIN
FOR SALVAGE OR DISPOSAL. REMOVE ALL SOURCES OF IGNITION AND WEAR
PROPER PROTECTION EQUIPMENT.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP CONTAINER CLOSED AND AWAY FROM
HEAT, SPARKS, AND OPEN FLAME.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:USE RESPIRATORY PROTECTION UNLESS LOCAL EXHAUST
VENTILATION IS ADEQUATE OR AIR SAMPLING DATA SHOWS EXPOSURES ARE
WITHIN TLV AND PEL GUIDELINES.
Ventilation:LOCAL OR MECHANICAL EXHAUST RECOMMENDED.
Protective Gloves:RUBBER OR PLASTIC GLOVES ARE RECOMMENDED
Eye Protection:SAFETY GLASSES (MINIMUM)
Other Protective Equipment:ORGANIC TYPE VAPOR RESPIRATOR.
Work Hygienic Practices:WASHING AT MEALTIME AND END OF SHIFT IS
ADEQUATE. REMOVE CONTAMINATED CLOTHING AND SHOES AS SOON AS
PRACTICAL.
Supplemental Safety and Health
THESE PRECAUTIONS ARE FOR ROOM TEMPERATURE HANDLING, USE AT ELEVATED
TEMPERATURES, OR AEROSOL/SPRAY APPLICATIONS, MAY REQUIRE ADDED
PRECAUTIONS. * GOOD PRACTICE REQUIRES THAT GROSS AMOUND OF ANY
CHEMI CAL BE REMOVED FROM THE SKIN AS SOON ASPRACTICAL, ESPECIALLY
BEFORE EATING OR SMOKING.

HCC:F2
Boiling Pt:B.P. Text:230F,110C
Melt/Freeze Pt:M.P/F.P Text:NONE
Vapor Pres:25MM
Spec Gravity:0.87
Solubility in Water:<0.1
Appearance and Odor:LIQUID, SOME COLOR AND A SOLVENT ODOR
Percent Volatiles by Volume:80

Stability Indicator/Materials to Avoid:YES
OXIDIZING MATERIAL CAN CAUSE A REACTION.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:SILICON DIOXIDE, CARBON DIOXIDE, AND
TRACES OF IMCOMPLETELY BURNED CARBON PRODUCTS.

Waste Disposal Methods:COMPLY WITH ALL LOCAL, STATE AND FEDERAL
REGULATIONS CONCERNING HEALTH AND POLLUTION BE REVIEWED TO
DETERMINE APPROVED DISPOSAL PROCEDURES. CONTACT DOW CORNING IF
THERE ARE ANY DISPOSAL QUESTIONS.

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.