XIAMETER(R)
Material Safety Data Sheet
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Version: 1.0
Revision Date: 2006/06/07
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1. IDENTIFICATION OF THE SUBSTANCE AND OF THE COMPANY
24 Hour Emergency Telephone: (989) 496-5900
Dow Corning Corporation
South Saginaw Road Customer Service: (989) 496-6000
Midland, Michigan 48686 Product Disposal Information: (989) 496-6315
CHEMTREC: (800) 424-9300
MSDS No.: 04061387 Revision Date: 2006/06/07
Generic Description: Silicone elastomer
Physical Form: Paste
Color: Clear to slightly hazy, colorless
Odor: Acetic acid odor
NFPA Profile: Health 2 Flammability 1 Instability/Reactivity 0
Note: NFPA = National Fire Protection Association
2. HAZARDS IDENTIFICATION
POTENTIAL HEALTH EFFECTS
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.
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,
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Material Safety Data Sheet
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component data and/or expert review of the product. Please refer to Section 11 for the detailed toxicology information.
3. COMPOSITION/INFORMATION ON INGREDIENTS
CAS Number Wt % Component Name
64742-46-7 <=6.9 Hydrotreated middle petroleum distillates
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.
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.
Notes to Physician: Treat according to person's condition and specifics of exposure.
5. FIRE FIGHTING MEASURES
Flash Point: > 212 掳F / > 100 掳C (Closed Cup)
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.
6. ACCIDENTAL RELEASE MEASURES
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Material Safety Data Sheet
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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
spilled 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 (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
64742-46-7 Hydrotreated middle petroleum distillates OSHA PEL (final rule) and ACGIH TLV for oil mists: TWA 5
mg/m3.
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: None should be needed.
General Ventilation: Recommended.
Personal Protective Equipment for Routine Handling
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Material Safety Data Sheet
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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: Butyl Rubber. Neoprene Rubber(R). Nitrile Rubber.
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 No respiratory protection should be needed.
Respirator:
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.
When heated to temperatures above 150 C (300 F) in the presence of air, product may form
formaldehyde vapors. Physical and health hazard information is readily available from Dow
Corning Corporation and the Material Safety Data Sheet.
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: Clear to slightly hazy, colorless
Odor: Acetic acid odor
Specific Gravity @ 25掳C: 1.007
Viscosity: Not determined.
Freezing/Melting Point: Not determined.
Boiling Point: Not determined.
Vapor Pressure @ 25掳C: Not determined.
Vapor Density: Not determined.
Solubility in Water: Not determined.
pH: Not determined.
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Material Safety Data Sheet
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Volatile Content: Not determined.
Flash Point: > 212 掳F / > 100 掳C (Closed Cup)
Autoignition Temperature: Not determined.
Flammability Limits in Air: Not determined.
Note: The above information is not intended for use in preparing product specifications.
10. STABILITY AND REACTIVITY
Chemical Stability: Stable.
Hazardous Hazardous polymerization will not occur.
Polymerization:
Conditions to Avoid: None.
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.
Hazardous Decomposition Products
Thermal breakdown of this product during fire or very high heat conditions may evolve the following decomposition
products: Carbon oxides and traces of incompletely burned carbon compounds. Silicon dioxide. Formaldehyde.
11. TOXICOLOGICAL INFORMATION
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
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Material Safety Data Sheet
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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 (989) 496-6315, if additional
information is required.
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 (40 CFR 355):
None.
Section 304 CERCLA Hazardous Substances (40 CFR 302):
None.
Section 311/312 Hazard Class (40 CFR 370):
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Material Safety Data Sheet
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Acute: Yes
Chronic: No
Fire: No
Pressure: No
Reactive: No
Section 313 Toxic Chemicals (40 CFR 372):
None present or none present in regulated quantities.
Note: Chemicals are listed under the 313 Toxic Chemicals section only if they meet or exceed a reporting threshold.
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.
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
64742-46-7 <=6.9 Hydrotreated middle petroleum distillates
17689-77-9 1.0 - 5.0 Ethyltriacetoxysilane
63148-62-9 1.0 - 5.0 Polydimethylsiloxane
4253-34-3 1.0 - 5.0 Methyltriacetoxysilane
Pennsylvania
CAS Number Wt % Component Name
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Material Safety Data Sheet
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70131-67-8 > 60.0 Dimethyl siloxane, hydroxy-terminated
7631-86-9 7.0 - 13.0 Silica, amorphous
64742-46-7 <=6.9 Hydrotreated middle petroleum distillates
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.
XIAMETER(R) is a trademark of Dow Corning Corporation
http://www.xiameter.com
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