Product ID:MULTIPURPOSE SEALANT, DC 732 CLEAR
MSDS Date:07/11/1997
FSC:5970
NIIN:01-099-1446
MSDS Number: BLFGV

DOW CORNING (CORP HQ)

2200 WEST SALZBURG ROAD
MIDLAND, MI 48686
US

Emergency Phone: 517-496-5900

Info Phone: 517-496-6000

Preparer: JACK L. SHENEBERGER

Cage: 71984

DOW CORNING CORP

AUBURN, MI 48611 US

Telephone: 517-496-4388

Cage: 71984

METHYLTRIACETOXYSILANE

CAS: 4253-34-3

RTECS: VV4500000

Fraction By Weight: 2% %

OSHA PEL 10 PPM

ACGIH TLV: 10 PPM

ETHYLTRIACETOXYSILANE

CAS: 17689-77-9

Fraction By Weight: 2% %

SILICA AMORPHOUS

CAS: 112945-52-5

RTECS: VV7310000

Fraction By Weight: 11% %

OSHA PEL 6 MG/M3 TDUST

ACGIH TLV: 10 MG/M3 TDUST

NON HAZARDOUS INGREDIENTS

Fraction By Weight: 85% %

LD50 LC50 Mixture:NOT SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SLIGHT TO MODERATE EYE IRRITATION,
SKIN IRRITATION, NOSE/THROAT IRRITATION. NOTE: NO INJURY FROM DUSTS
SHOULD OCCUR DURING REASONABLE USE. IF USE CREATES RESPIRABLE
PARTICLES SOME RESPIRATORY SYSTEM I NJURY MAY OCCUR. CURE SEALANT
IS NONHAZARDOUS.
Explanation of Carcinogenicity:PRODUCT CONTAINS NO MATERIALS CURRENTLY
CLASSIFIED AS CARCINOGENIC BY NTP, IARC OR OSHA.
Effects of Overexposure:REDNESS AND SWELLING OF EYES, SKIN IRRITATION,
NOSE/THROAT IRRITATION. SWALLOWING LARGE AMOUNTS MAY CAUSE
DIGESTIVE DISCOMFORT.
Medical Cond Aggravated by Exposure:THIS PRODUCT, AS WITH ANY CHEMICAL,
MAY ENHANCE ALLERGIC CONDITIONS ON CERTAIN PEOPLE. DOW CORNING DOES
NOT KNOW OF ANY MEDICAL CONDITIONS THAT MIGHT BE AGGRAVATED BY
EXPOSURE TO THIS PRODUCT.

First Aid:EYES: FLUSH WITH WATER FOR 15 MINUTES. GET MEDICAL ATTENTION.
SKIN: GET MEDICAL ATTENTION IF IRRITATION DEVELOPS. INHALATION:
REMOVE TO FRESH AIR. ORAL: NO FIRST AID SHOULD BE NEEDED.

Flash Point:NONFLAMMABLE
Lower Limits:NOT GIVEN
Upper Limits:NOT GIVEN
Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL, FOAM, SAND, WATER FOG
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
SELF-CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

Spill Release Procedures:REMOVE PRODUCT AND CONTAIN FOR SALVAGE OR
DISPOSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE BELOW 90F/32C. USE REASONABLE
CARE AND CAUTION.
Other Precautions:PRODUCT FORMS ACETIC ACID (HOAC) WHEN EXPOSED TO
WATER OR HUMID AIR. PROVIDE VENTILATION DURING USE TO CONTROL HOAC
EXPOSURE WITHIN 10 PPM (CURRENT TLV) OR USE RESPIRATORY PROTECTION.

Respiratory Protection:USE RESPIRATORY PROTECTION UNLESS LOCAL EXHAUST
VENTILATION IS ADEQUATE OR AIR SAMPLING DATA SHOW EXPOSURES ARE
WITHIN TLV AND PEL GUIDELINES. ACID GAS/ORGANIC VAPOR TYPE
RESPIRATOR RECOMMENDED.
Ventilation:LOCAL EXHAUST MAY BE NEEDED. MECHANICAL (GENERAL) EXHAUST
IS RECOMMENDED.
Protective Gloves:RUBBER OR PLASTIC GLOVES
Eye Protection:MINIMUM - SAFETY GLASSES
Other Protective Equipment:EMERGENCY EYEWASH, SHOWER
Work Hygienic Practices:WASH AT MEALTIME AND END OF SHIFT. REMOVE
CONTAMINATED CLOTHING AND SHOES AS SOON AS PRACTICAL AND CLEAN
BEFORE REUSE.
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 AMOUNTS OF ANY
CHEMIC AL BE REMOVED FROM THE SKIN AS SOON AS PRACTICAL, ESPECIALLY
BEFORE EATING OR SMOKING. AVOID BREATHING VAPORS

HCC:N1
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:B.P. Text:NOT GIVEN
Melt/Freeze Pt:M.P/F.P Text:NOT GIVEN
Vapor Pres:NOT GIVEN
Vapor Density:NOT GIVEN
Spec Gravity:1.04
Evaporation Rate & Reference:NOT GIVEN
Solubility in Water:NOT GIVEN
Appearance and Odor:COLORLESS PASTE, ACETIC ACID ODOR

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS
Stability Condition to Avoid:EXPOSURE TO AIR OR MOISTURE UNTIL READY TO
USE.
Hazardous Decomposition Products:SILICON DIOXIDE, CARBON DIOXIDE, AND
TRACES OF INCOMPLETELY BURNED CARBON PRODUCTS

Waste Disposal Methods:DOW CORNING SUGGESTS THAT 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.