DOW CORNING CORPORATION
Material Safety Data Sheet
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DOW CORNING(R) 732 RTV ADHESIVE SEALANT, CLEAR
1. IDENTIFICATION OF THE SUBSTANCE AND OF THE COMPANY
Dow Corning Corporation
South Saginaw Road
Midland, Michigan 48686
24 Hour Emergency Telephone:
Customer Service:
Product Disposal Information:
CHEMTREC:
(989) 496-5900
(989) 496-6000
(989) 496-6315
(800) 424-9300
MSDS No.: 01003941 Revision Date: 2001/08/14
Generic Description: Silicone Sealant
Physical Form: Paste
Color: Colorless
Odor: Acetic acid odor
NFPA Profile: Health 2 Flammability 1 Instability/Reactivity 0
Note: NFPA = National Fire Protection Association
2. OSHA HAZARDOUS COMPONENTS
CAS Number Wt % Component Name
17689-77-9 1.0 - 5.0 Ethyltriacetoxysilane
4253-34-3 1.0 - 5.0 Methyltriacetoxysilane
The above components are hazardous as defined in 29 CFR 1910.1200.
3. EFFECTS OF OVEREXPOSURE
Acute Effects
Eye: Direct contact may cause moderate irritation.
Skin: May cause moderate irritation.
Inhalation: Irritates respiratory passages very slightly.
Oral: Low ingestion hazard in normal use.
Prolonged/Repeated Exposure Effects
Skin: No known applicable information.
Inhalation: No known applicable information.
Oral: No known applicable information.
Signs and Symptoms of Overexposure
No known applicable information.
DOW CORNING CORPORATION
Material Safety Data Sheet
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DOW CORNING(R) 732 RTV ADHESIVE SEALANT, CLEAR
Medical Conditions Aggravated by Exposure
No known applicable information.
The above listed potential effects of overexposure are based on actual data, results of studies performed upon similar
compositions, component data and/or expert review of the product. Please refer to Section 11 for the detailed toxicology
information.
4. FIRST AID MEASURES
Eye: Immediately flush with water for 15 minutes. Get medical attention.
Skin: Remove from skin and wash thoroughly with soap and water or waterless cleanser.
Get medical attention if irritation or other ill effects develop or persist.
Inhalation: No first aid should be needed.
Oral: No first aid should be needed.
Comments: Treat according to person’s condition and specifics of exposure.
5. FIRE FIGHTING MEASURES
Flash Point: Not applicable.
Autoignition
Temperature:
Not determined.
Flammability Limits in Air: Not determined.
Extinguishing Media: On large fires use dry chemical, foam or water spray. On small fires use carbon dioxide
(CO2), dry chemical or water spray. Water can be used to cool fire exposed containers.
Fire Fighting Measures: Self-contained breathing apparatus and protective clothing should be worn in fighting
large fires involving chemicals. Determine the need to evacuate or isolate the area
according to your local emergency plan. Use water spray to keep fire exposed
containers cool.
Unusual Fire Hazards: None.
Hazardous Decomposition Products
Thermal breakdown of this product during fire or very high heat conditions may evolve the following hazardous
decomposition products: Carbon oxides and traces of incompletely burned carbon compounds. Silicon dioxide.
Formaldehyde.
6. ACCIDENTAL RELEASE MEASURES
DOW CORNING CORPORATION
Material Safety Data Sheet
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DOW CORNING(R) 732 RTV ADHESIVE SEALANT, CLEAR
Containment/Clean up: Observe all personal protection equipment recommendations described in Sections 5
and 8. Wipe up or scrape up and contain for salvage or disposal. Clean area as
appropriate since some silicone materials, even in small quantities, may present a slip
hazard. Final cleaning may require use of steam, solvents or detergents. Dispose of
saturated absorbant or cleaning materials appropriately, since spontaneous heating
may occur. Local, state and federal laws and regulations may apply to releases and
disposal of this material, as well as those materials and items employed in the cleanup
of releases. You will need to determine which federal, state and local laws and
regulations are applicable. Sections 13 and 15 of this MSDS provide information
regarding certain federal and state requirements.
Note: See section 8 for Personal Protective Equipment for Spills. Call Dow Corning Corporation, (989) 496-5900,
if additional information is required.
7. HANDLING AND STORAGE
Use with adequate ventilation. Product evolves acetic acid (HOAc) when exposed to water or humid air. Provide
ventilation during use to control HOAc within exposure guidelines or use respiratory protection. Avoid eye contact.
Avoid skin contact.
Use reasonable care and store away from oxidizing materials. Keep container closed and store away from water or
moisture.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Component Exposure Limits
CAS Number Component Name Exposure Limits
17689-77-9 Ethyltriacetoxysilane See acetic acid comments.
4253-34-3 Methyltriacetoxysilane See acetic acid comments.
Acetic acid is formed upon contact with water or humid air. Provide adequate ventilation to control exposures
within guidelines of OSHA PEL: TWA 10 ppm and ACGIH TLV: TWA 10 ppm, STEL 15 ppm.
Engineering Controls
Local Ventilation: Recommended.
General Ventilation: Recommended.
Personal Protective Equipment for Routine Handling
Eyes: Use proper protection - safety glasses as a minimum.
Skin: Wash at mealtime and end of shift. Contaminated clothing and shoes should be
removed as soon as practical and thoroughly cleaned before reuse. Chemical
protective gloves are recommended.
Suitable Gloves: Silver Shield(R). 4H(R).
DOW CORNING CORPORATION
Material Safety Data Sheet
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DOW CORNING(R) 732 RTV ADHESIVE SEALANT, CLEAR
Inhalation: No respiratory protection should be needed.
Suitable Respirator: None should be needed.
Personal Protective Equipment for Spills
Eyes: Use proper protection - safety glasses as a minimum.
Skin: Wash at mealtime and end of shift. Contaminated clothing and shoes should be
removed as soon as practical and thoroughly cleaned before reuse. Chemical
protective gloves are recommended.
Inhalation/Suitable
Respirator:
No respiratory protection should be needed.
Precautionary Measures: Avoid eye contact. Avoid skin contact. Use reasonable care.
Comments: Product evolves acetic acid (HOAc) when exposed to water or humid air. Provide
ventilation during use to control HOAc within exposure guidelines or use respiratory
protection.
Note: These precautions are for room temperature handling. Use at elevated temperature or aerosol/spray applications may
require added precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
Physical Form: Paste
Color: Colorless
Odor: Acetic acid odor
Specific Gravity @ 25°C: 1.03
Viscosity: Not determined.
Freezing/Melting Point: Not determined.
Boiling Point: Not determined.
Vapor Pressure @ 25°C: Not determined.
Vapor Density: Not determined.
Solubility in Water: Not determined.
pH: Not determined.
Volatile Content: Not determined.
Note: The above information is not intended for use in preparing product specifications. Contact Dow Corning before writing
specifications.
10. STABILITY AND REACTIVITY
Chemical Stability: Stable.
Hazardous
Polymerization:
Hazardous polymerization will not occur.
Conditions to Avoid: None.
DOW CORNING CORPORATION
Material Safety Data Sheet
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DOW CORNING(R) 732 RTV ADHESIVE SEALANT, CLEAR
Materials to Avoid: Oxidizing material can cause a reaction. Water, moisture, or humid air can cause
hazardous vapors to form as described in Section 8.
11. TOXICOLOGICAL INFORMATION
Acute Toxicology Data for Product
Complete information is not yet available.
Component Toxicology Information
Complete information is not yet available.
Special Hazard Information on Components
No known applicable information.
12. ECOLOGICAL INFORMATION
Environmental Fate and Distribution
Complete information is not yet available.
Environmental Effects
Complete information is not yet available.
Fate and Effects in Waste Water Treatment Plants
Complete information is not yet available.
Ecotoxicity Classification Criteria
Hazard Parameters (LC50 or EC50) High Medium Low
Acute Aquatic Toxicity (mg/L) <=1 >1 and <=100 >100
Acute Terrestrial Toxicity <=100 >100 and <= 2000 >2000
This table is adapted from "Environmental Toxicology and Risk Assessment", ASTM STP 1179, p.34, 1993.
This table can be used to classify the ecotoxicity of this product when ecotoxicity data is listed above. Please read the other information
presented in the section concerning the overall ecological safety of this material.
13. DISPOSAL CONSIDERATIONS
RCRA Hazard Class (40 CFR 261)
When a decision is made to discard this material, as received, is it classified as a hazardous waste? No
State or local laws may impose additional regulatory requirements regarding disposal.
Call Dow Corning Corporate Environmental Management, (989) 496-6315, if additional information is required.
DOW CORNING CORPORATION
Material Safety Data Sheet
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DOW CORNING(R) 732 RTV ADHESIVE SEALANT, CLEAR
14. TRANSPORT INFORMATION
DOT Road Shipment Information (49 CFR 172.101)
Not subject to DOT.
Ocean Shipment (IMDG)
Not subject to IMDG code.
Air Shipment (IATA)
Not subject to IATA regulations.
Call Dow Corning Transportation, (989) 496-8577, if additional information is required.
15. REGULATORY INFORMATION
Contents of this MSDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
TSCA Status: All chemical substances in this material are included on or exempted from listing on the
TSCA Inventory of Chemical Substances.
EPA SARA Title III Chemical Listings
Section 302 Extremely Hazardous Substances:
None.
Section 304 CERCLA Hazardous Substances:
None.
Section 312 Hazard Class:
Acute: Yes
Chronic: No
Fire: No
Pressure: No
Reactive: No
Section 313 Toxic Chemicals:
None present or none present in regulated quantities.
Supplemental State Compliance Information
California
Warning: This product contains the following chemical(s) listed by the State of California under the Safe Drinking
Water and Toxic Enforcement Act of 1986 (Proposition 65) as being known to cause cancer, birth defects or other
reproductive harm.
DOW CORNING CORPORATION
Material Safety Data Sheet
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DOW CORNING(R) 732 RTV ADHESIVE SEALANT, CLEAR
None known.
Massachusetts
CAS Number Wt % Component Name
7631-86-9 7.0 - 13.0 Silica, amorphous
New Jersey
CAS Number Wt % Component Name
70131-67-8 > 60.0 Dimethyl siloxane, hydroxy-terminated
7631-86-9 7.0 - 13.0 Silica, amorphous
17689-77-9 1.0 - 5.0 Ethyltriacetoxysilane
4253-34-3 1.0 - 5.0 Methyltriacetoxysilane
Pennsylvania
CAS Number Wt % Component Name
70131-67-8 > 60.0 Dimethyl siloxane, hydroxy-terminated
7631-86-9 7.0 - 13.0 Silica, amorphous
16. OTHER INFORMATION
Prepared by: Dow Corning Corporation
These data are offered in good faith as typical values and not as product specifications. No warranty, either
expressed or implied, is hereby made. The recommended industrial hygiene and safe handling procedures are
believed to be generally applicable. However, each user should review these recommendations in the specific
context of the intended use and determine whether they are appropriate.
(R) indicates Registered Trademark
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