DOW CORNING CORPORATION
Material Safety Data Sheet
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Version: 1.4
Revision Date: 2004/12/07
MOLYKOTE(R) 557 SILICONE DRY FILM LUBRICANT (AEROSOL)
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.: 02412560 Revision Date: 2004/12/07
Generic Description: Hydrocarbon aerosol propellant
Physical Form: Aerosol
Color: Colorless
Odor: Solvent odor.
NFPA Profile: Health 2 Flammability 4 Instability/Reactivity 0
Note: NFPA = National Fire Protection Association
2. OSHA HAZARDOUS COMPONENTS
CAS Number Wt % Component Name
75-28-5 40.0 - 70.0 Isobutane
64742-48-9 30.0 - 60.0 Hydrotreated heavy petroleum naphtha
67-64-1 10.0 - 30.0 Acetone
67-63-0 3.0 - 7.0 Isopropyl alcohol
The above components are hazardous as defined in 29 CFR 1910.1200.
3. HAZARDS IDENTIFICATION
Potential Health Effects
Acute Effects
Eye: Direct contact may cause moderate irritation.
Skin: No significant irritation expected from a single short-term exposure.
Inhalation: Vapor and/or mist may irritate nose and throat. Vapor overexposure may cause drowsiness.
Oral: Low ingestion hazard in normal use.
Prolonged/Repeated Exposure Effects
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Material Safety Data Sheet
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Version: 1.4
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MOLYKOTE(R) 557 SILICONE DRY FILM LUBRICANT (AEROSOL)
Skin: Repeated or prolonged contact may cause defatting and drying of skin which may result in
skin irritation and dermatitis.
Inhalation: Exposures to high concentrations may cause cardiac sensitization. Repeated exposures
may cause allergic respiratory reaction. Overexposure by inhalation may injure the following
organ(s): Lungs. Kidneys. Nervous system.
Oral: Repeated ingestion or swallowing large amounts may injure internally.
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,
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.
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: Remove to fresh air. Get immediate medical attention.
Oral: Get immediate medical attention. Only induce vomiting at the instructions of a physician.
Never give anything by mouth to an unconscious person.
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. Use water spray to keep fire exposed containers cool. Determine
the need to evacuate or isolate the area according to your local emergency plan.
DOW CORNING CORPORATION
Material Safety Data Sheet
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Version: 1.4
Revision Date: 2004/12/07
MOLYKOTE(R) 557 SILICONE DRY FILM LUBRICANT (AEROSOL)
Unusual Fire Hazards: Vapors are heavier than air and may travel to a source of ignition and flash back.
Hazardous Decomposition Products
Thermal breakdown of this product during fire or very high heat conditions may evolve the following hazardous
decomposition products: Silicon dioxide. Carbon oxides and traces of incompletely burned carbon compounds.
Formaldehyde.
6. ACCIDENTAL RELEASE MEASURES
Containment/Clean up: Determine whether to evacuate or isolate the area according to your local emergency plan.
Observe all personal protection equipment recommendations described in Sections 5 and 8.
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. Avoid eye contact. Avoid skin contact. Do not breathe vapor, mist, dust, or fumes. Keep
container closed. Do not take internally.
Static electricity will accumulate and may ignite vapors. Prevent a possible fire hazard by bonding and grounding or inert
gas purge. Keep container closed and away from heat, sparks, and flame. Contents under pressure. Do not store above
120F/49C or in direct sunlight.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Component Exposure Limits
CAS Number Component Name Exposure Limits
75-28-5 Isobutane OSHA PEL (final rule): TWA 800 ppm, 1900 mg/m3.
ACGIH TLV: TWA 1000 ppm.
64742-48-9 Hydrotreated heavy petroleum naphtha Observe petroleum distillates limits. OSHA PEL (final rule):
TWA 400 ppm.
67-64-1 Acetone OSHA PEL (final rule): TWA 1000 ppm; 2400 mg/m3.
ACGIH TLV: TWA 500 ppm, STEL 750 ppm, A4.
67-63-0 Isopropyl alcohol OSHA PEL (final rule): TWA 400 ppm, 980 mg/m3.
ACGIH TLV: TWA 200 ppm, STEL 400 ppm.
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Material Safety Data Sheet
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Version: 1.4
Revision Date: 2004/12/07
MOLYKOTE(R) 557 SILICONE DRY FILM LUBRICANT (AEROSOL)
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).
Inhalation: Use respiratory protection unless adequate local exhaust ventilation is provided or exposure
assessment demonstrates that exposures are within recommended exposure guidelines. IH
personnel can assist in judging the adequacy of existing engineering controls.
Suitable Respirator: General and local exhaust ventilation is recommended to maintain vapor exposures below
recommended limits. Where concentrations are above recommended limits or are unknown,
appropriate respiratory protection should be worn. Follow OSHA respirator regulations (29
CFR 1910.134) and use NIOSH/MSHA approved respirators.
Personal Protective Equipment for Spills
Eyes: Use full face respirator.
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 Respiratory protection recommended. Follow OSHA Respirator Regulations (29 CFR
Respirator: 1910.134) and use NIOSH/MHSA approved respirators. Protection provided by air purifying
respirators against exposure to any hazardous chemical is limited. Use a positive pressure air
supplied respirator if there is any potential for uncontrolled release, exposure levels are
unknown, or any other circumstance where air purifying respirators may not provide adequate
protection.
Precautionary Measures: Avoid eye contact. Avoid skin contact. Do not breathe vapor, mist, dust, or fumes. Keep
container closed. Do not take internally. Use reasonable care.
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: Aerosol
Color: Colorless
Odor: Solvent odor.
Specific Gravity @ 25掳C: 0.8
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Material Safety Data Sheet
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Version: 1.4
Revision Date: 2004/12/07
MOLYKOTE(R) 557 SILICONE DRY FILM LUBRICANT (AEROSOL)
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.
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 Hazardous polymerization will not occur.
Polymerization:
Conditions to Avoid: None.
Materials to Avoid: Oxidizing material can cause a reaction.
11. TOXICOLOGICAL INFORMATION
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
DOW CORNING CORPORATION
Material Safety Data Sheet
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Version: 1.4
Revision Date: 2004/12/07
MOLYKOTE(R) 557 SILICONE DRY FILM LUBRICANT (AEROSOL)
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? Yes
Characteristic Waste:
Ignitable: D001
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)
Proper Shipping Name: CONSUMER COMMODITY
Hazard Class: ORM-D
Packing Group: Not Applicable
Hazard Label(s): ORM-D LABEL
Remarks: Not subject to DOT.
Ocean Shipment (IMDG)
Proper Shipping Name: AEROSOLS
Hazard Class: 2 LTD. QTY.
UN Number: 1950
Packing Group: Not Applicable
Marine Pollutant: Not Applicable
Air Shipment (IATA)
Proper Shipping Name: AEROSOLS, FLAMMABLE
Hazard Class: 2.1 LTD. QTY.
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Material Safety Data Sheet
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Version: 1.4
Revision Date: 2004/12/07
MOLYKOTE(R) 557 SILICONE DRY FILM LUBRICANT (AEROSOL)
UN Number: 1950
Packing Group: Not Applicable
Hazard Label(s): FLAMMABLE GAS
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):
CAS Number Wt % Component Name
75-28-5 45.0 Isobutane
67-64-1 10.0 Acetone
Section 311/312 Hazard Class (40 CFR 370):
Acute: Yes
Chronic: Yes
Fire: Yes
Pressure: Yes
Reactive: No
Section 313 Toxic Chemicals (40 CFR 372):
CAS Number Wt % Component Name
67-63-0 3.0 Isopropyl alcohol
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.
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Material Safety Data Sheet
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MOLYKOTE(R) 557 SILICONE DRY FILM LUBRICANT (AEROSOL)
Massachusetts
CAS Number Wt % Component Name
75-28-5 40.0 - 70.0 Isobutane
67-64-1 10.0 - 30.0 Acetone
67-63-0 3.0 - 7.0 Isopropyl alcohol
New Jersey
CAS Number Wt % Component Name
75-28-5 40.0 - 70.0 Isobutane
64742-48-9 30.0 - 60.0 Hydrotreated heavy petroleum naphtha
67-64-1 10.0 - 30.0 Acetone
18748-98-6 3.0 - 7.0 Trimethylstearyloxysilane
112-92-5 3.0 - 7.0 Stearyl alcohol
67-63-0 3.0 - 7.0 Isopropyl alcohol
Pennsylvania
CAS Number Wt % Component Name
75-28-5 40.0 - 70.0 Isobutane
64742-48-9 30.0 - 60.0 Hydrotreated heavy petroleum naphtha
67-64-1 10.0 - 30.0 Acetone
18748-98-6 3.0 - 7.0 Trimethylstearyloxysilane
112-92-5 3.0 - 7.0 Stearyl alcohol
67-63-0 3.0 - 7.0 Isopropyl alcohol
DOW CORNING CORPORATION
Material Safety Data Sheet
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Version: 1.4
Revision Date: 2004/12/07
MOLYKOTE(R) 557 SILICONE DRY FILM LUBRICANT (AEROSOL)
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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