Material Safety Data Sheet
MSDS ID NO.: 0265MAR019
Revision date: 09/12/2005
1. CHEMICAL PRODUCT AND COMPANY INFORMATION
Product name: Marathon Maraflex Oil
Synonyms: Maraflex Oil; 100 Maraflex Oil
Chemical Family: Aromatic Oil
Formula: Mixture
Manufacturer:
Marathon Petroleum Company LLC
539 South Main Street
Findlay OH 45840
Other information: 419-421-3070
Emergency telephone number: 877-627-5463
2. COMPOSITION/INFORMATION ON INGREDIENTS
Maroflex Oil is a complex mixture of heavy thermal cracked distillate (C15-C36) and heavy paraffinic distillate solvent
extract (C20-C50) hydrocarbons. The CAS description of this stream states that it is likely to contain >5% 4 to 6-
membered condensed ring polycyclic aromatic hydrocarbons.
Product information
Name CAS Number Weight % ACGIH Exposure OSHA - Vacated Other:
Limits: PELs - Time
Weighted Ave
Marathon Maraflex Oil Mixture 100
Component Information
Name CAS Number Weight % ACGIH Exposure OSHA - Vacated Other:
Limits: PELs - Time
Weighted Ave
Distillates (Petroleum), Heavy 64741-81-7 0-75
Thermal Cracked
Extracts, Petroleum Heavy Paraffinic 64742-04-7 0-75
Distillate Solvent
Sulfur Compounds Mixture 0.5-4
Notes: The manufacturer has voluntarily elected to reflect exposure limits contained in
OSHA's 1989 air contaminants standard in its MSDS's, even though certain of those
exposure limits were vacated in 1992.
3. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
MSDS ID NO.: 0265MAR019 Product name: Marathon Maraflex Oil Page 1 of 8
THIS PRODUCT IS A BROWN TO BLACK VISCOUS COLORED LIQUID. THIS PRODUCT CONTAINS
POLYNUCLEAR AROMATIC HYDROCARBONS SOME OF WHICH HAVE PRODUCED CANCER IN LABORATORY
ANIMALS AND HUMANS. REPEATED SKIN CONTACT TO SOME COMPONENTS OF THIS PRODUCT HAVE
PRODUCED SYSTEMIC TOXICITY (INCLUDING LIVER DAMAGE) IN LABORATORY ANIMALS. VAPORS CAN
PRODUCE EYE, SKIN, AND RESPIRATORY TRACT IRRITATION. THIS PRODUCT IS NOT A COMBUSTIBLE LIQUID
PER THE OSHA HAZARD COMMUNICATION STANDARD, BUT WILL IGNITE AND BURN AT TEMPERATURES
EXCEEDING THE FLASH POINT.
OSHA WARNING LABEL:
DANGER!
THIS PRODUCT CONTAINS POLYNUCLEAR AROMATIC HYDROCARBONS SOME OF WHICH HAVE PRODUCED
CANCER IN LABORATORY ANIMALS AND HUMANS.
REPEATED SKIN CONTACT TO SOME COMPONENTS IN THIS PRODUCT HAS PRODUCED SYSTEMIC TOXICITY
(INCLUDING LIVER DAMAGE) IN LABORATORY ANIMALS.
CONSUMER WARNING LABEL:
A CONSUMER WARNING LABEL IS NOT APPLICABLE FOR THIS PRODUCT.
Inhalation: Exposure to vapor or mist may cause pulmonary irritation, dizziness, nausea and
loss of consciousness.
Ingestion: Product is presumed to be slightly toxic (single dose). Significant ingestion could
result in liver damage.
Skin contact: Prolonged and repeated liquid contact can cause defatting and drying of the skin and
can lead to irritation and/or dermatitis. May cause sensitization by skin contact.
Components of this product can cause liver damage if absorbed through the skin.
Eye contact: Liquid or vapor contact may result in slight eye irritation.
Carcinogenic Evaluation:
Product information
Name IARC NTP ACGIH - OSHA - Select
Carcinogens: Carcinogens: Carcinogens: Carcinogens:
Marathon Maraflex Oil NE
Mixture
Notes: The International Agency for Research on Cancer (IARC) has determined that there
is sufficient evidence for the carcinogenicity of untreated vacuum distillates, acid-
treated oils, and aromatic oils, including extracts from solvent treatment of distillates
and the high boiling fraction of catalytically cracked oils in animals.
The International Agency for Research on Cancer (IARC) has also determined that
there is sufficient evidence for the carcinogenicity in experimental animals of light
and heavy vacuum distillates, of light and heavy catalytically cracked distillates and
of cracked residues (including heavy thermocracked distillates/residues) derived from
the refining of crude oil.
Component Information
Notes: The International Agency for Research on Cancer (IARC) and the National
Toxicology Program (NTP) have concluded that certain polycyclic aromatic
hydrocarbons, i.e. (benzo(a)pyrene, benz(a)anthracene, benzo(a)phenanthrene,
indeno(1,2,3-cd)pyrene, benzo(j)fluoranthene, benzo(j,k,fluorine,
benzo(g,h,i)perylene, and 5-methylchrysene are probably carcinogenic to humans
(Group 2A and B).
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4. FIRST AID MEASURES
Inhalation: If affected, move person to fresh air. If breathing is difficult, administer oxygen. If not
breathing or if no heartbeat, give artificial respiration or cardiopulmonary
resuscitation (CPR). Immediately call a physician. If symptoms or irritation occur with
any exposure, call a physician.
Skin contact: Wash with soap and large amounts of water. Remove contaminated clothing. If
symptoms or irritation occur, call a physician.
Ingestion: Ingestion not likely. If swallowed, do not induce vomiting and do not give liquids.
Immediately call a physician.
Eye contact: Flush eyes with large amounts of tepid water for at least 15 minutes. If symptoms or
irritation occur, call a physician.
Medical conditions aggravated by Preexisting skin conditions, respiratory disorders, and impaired liver function may be
exposure: aggravated by exposure to components of this product.
5. FIRE FIGHTING MEASURES
Suitable extinguishing media: For small fires, Class B fire extinguishing media such as
CO2, dry chemical, foam (AFFF/ATC) or water spray can be
used. For large fires, water spray, fog or foam (AFFT/ATC)
can be used. Fire fighting should be attempted only by those
who are adequately trained and equipped with proper
protective equipment.
Specific hazards: This product is not a combustible liquid per the OSHA
Hazard Communication Standard, but will ignite and burn at
temperatures exceeding the flash point.
Special protective equipment for firefighters: Avoid using straight water streams. Water spray and foam
(AFFF/ATC) must be applied carefully to avoid frothing and
from as far a distance as possible. Avoid excessive water
spray application. Use water spray to cool exposed surfaces
from as far a distance as possible. Keep run-off water out of
sewers and water sources.
Flash point: 300-435 F; 167 C (Min)
Autoignition temperature: No data available.
Flammable limits in air - lower (%): No data available.
Flammable limits in air - upper (%): No data available.
NFPA rating: HMIS classification:
Health: 2 Health: 2
Flammability: 1 Flammability: 1
Reactivity: 1 Reactivity: 1
Other: - Special: *See Section 8 for guidance in selection of
personal protective equipment.
6. ACCIDENTAL RELEASE MEASURES
Personal precautions: Keep public away. Isolate and evacuate area. Shut off source if safe to do so.
Advise authorities and National Response Center (800-424-8802) if substance has
entered a watercourse or sewer. Notify local health and pollution control agencies, if
appropriate. Contain liquid with sand or soil. Recover and return product to source.
7. HANDLING AND STORAGE
MSDS ID NO.: 0265MAR019 Product name: Marathon Maraflex Oil Page 3 of 8
Handling:
Comply with all applicable EPA, OSHA, NFPA and consistent state and local requirements. Use appropriate grounding
and bonding practices. Store in properly closed containers that are appropriately labeled and in a cool well-ventilated
area. Do not expose to heat, open flames, strong oxidizers or other sources of ignition. Do not cut, drill, grind or weld on
empty containers since they may contain explosive residues. Stay upwind and vent open hatches before unloading.
Avoid skin contact. Exercise good personal hygiene including removal of soiled clothing and prompt washing with soap
and water.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
PERSONAL PROTECTIVE EQUIPMENT
Engineering measures: Local or general exhaust required in an enclosed area or when there is inadequate
ventilation.
Respiratory protection: Not required under normal conditions and adequate ventilation. Use atmosphere
supplying respirators in confined spaces or when vapors exceed permissible limits;
otherwise, an organic vapor respirator with pre-filter for fumes can be used. Self-
contained breathing apparatus should be used for fire fighting.
Skin and body protection: Impermeable gloves (e.g., nitrile, viton, tyvek/saranex 23) to prevent skin contact.
Chemical resistant apron or other protective clothing to avoid skin contact.
Eye protection: Goggles and faceshield when handling hot material.
Hygiene measures: Use mechanical ventilation equipment that is explosion-proof.
9. PHYSICAL AND CHEMICAL PROPERTIES:
Appearance: Brown To Black Viscous Liquid
Physical state (Solid/Liquid/Gas): Liquid
Substance type (Pure/Mixture): Mixture
Color: Black-Brown
Odor: Aromatic Sweet
Molecular weight: Not determined.
pH: Neutral
Boiling point/range (5-95%): 508-1017 F
Melting point/range: Not determined.
Decomposition temperature: Not applicable.
Specific gravity: 0.99-1.10
Density: 8.3-8.4 lbs/gal
Bulk density: No data available.
Vapor density: No data available.
Vapor pressure: Negligible
Evaporation rate: No data available.
Solubility: Not determined
Solubility in other solvents: No data available.
Partition coefficient (n-octanol/water): No data available.
VOC content(%): No data available.
Viscosity: 453.4 cSt @ 40 C
16.4 cSt @ 100 C
10. STABILITY AND REACTIVITY
Stability: The material is stable at 70 F, 760 mm pressure.
Polymerization: Will not occur.
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Hazardous decomposition products: Combustion produces carbon monoxide, aldehydes,
aromatic and other hydrocarbons.
Materials to avoid: Strong oxidizers such as nitrates, chlorates, peroxides.
Conditions to avoid: Sources of heat or ignition.
11. TOXICOLOGICAL INFORMATION
Acute toxicity:
Product information
Name CAS Number Inhalation: Dermal: Oral:
Marathon Maraflex Oil Mixture No data available No data available No data available
Lifetime skin painting studies with refinery streams similar to this product and/or its major components have produced
tumors following prolonged and repeated skin contact. Repeated dermal application of these materials (30 mg/kg/day for
13 weeks) resulted in anemia, liver degeneration and injury to bone marrow and lymphoid tissues. Treatment related
mortality and body weight reduction was observed at 500 mg/kg. Repeated dermal application (125 mg/ kg/day) of these
materials to pregnant rats during gestation produced maternal and fetal toxicity. Increased resorptions were observed at
doses of 30 mg/kg/day and above.
Lifetime skin painting studies with heavy distillate aromatic extracts (HDAE) have produced tumors following prolonged
and repeated skin contact. HDAE was found to be positive in an Ames mutagenicity test. Repeated dermal application
of HDAE (30 mg/kg/day for 13 weeks) resulted in anemia, liver degeneration and injury to bone marrow and lymphoid
tissues. Treatment related mortality and body weight reduction was observed at 500 mg/kg. Repeated dermal application
(125 mg/kg/day) of HDAE to pregnant rats during gestation produced maternal and fetal toxicity. Increased resorptions
were observed at doses of 30 mg/kg/day and above.
Summary of health effect data on Maroflex oil components:
This product contains polynuclear aromatic hydrocarbons (PAC) at a level of >0.1%. Some PACs that have been
identified in this product such as benzo(a)pyrene, benz(a)anthracene and indeno(1,2,3-cd)pyrene have been shown to be
carcinogenic in experimental animals. An increased risk of cancer has been observed in workers employed in the
aluminum production, coal gasification, coal-tar pitch, coke production and iron and steel industries that had been
occupationally exposed to polynuclear aromatic hydrocarbons. Since these kinds of PACs have been measured at high
levels in air samples taken in these industries, The International Agency for Research on Cancer (IARC) has concluded
that these PACs are probably carcinogenic to humans.
12. ECOLOGICAL INFORMATION
Ecotoxicity effects: If spilled, hot product and/or the coating action of the oil components could harm
plant life.
The 96 hour TLM for WAF (water accommodated fraction) of an aromatic extract is
>1000 mg/l in fish or algae. 21 day exposures of 1000 mg/l WAF of an aromatic
extract to Daphnia did not affect survival nor reproduction.
13. DISPOSAL CONSIDERATIONS
Cleanup Considerations: This material as supplied and by itself, when discarded or
disposed of, is not an EPA RCRA hazardous waste
according to federal regulations. This material could become
a hazardous waste if mixed or contaminated with a
hazardous waste or other substance(s). It is the
responsibility of the user to determine if disposal material is
hazardous according to federal, state and local regulations.
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14. TRANSPORT INFORMATION
49 CFR 172.101:
DOT:
Transport Information: This material when transported via US commerce is NOT REGULATED by DOT
regulations.
DOT reportable quantity (lbs): Not applicable.
TDG (Canada):
Regulated substances: Not applicable.
15. REGULATORY INFORMATION
Federal Regulatory Information:
US TSCA Chemical Inventory Section 8(b): This product and/or its components are listed on the TSCA
Chemical Inventory.
OSHA Hazard Communication Standard: This product has been evaluated and determined to be
hazardous as defined in OSHA's Hazard Communication
Standard.
EPA Superfund Amendment & Reauthorization Act (SARA):
SARA Section 302: This product contains the following component(s) that have been listed on EPA's
Extremely Hazardous Substance (EHS) List:
Name CERCLA/SARA - Section 302 Extremely Hazardous Substances and TPQs
Distillates (Petroleum), Heavy NA
Thermal Cracked
Extracts, Petroleum Heavy Paraffinic NA
Distillate Solvent
Sulfur Compounds NA
SARA Section 304: This product contains the following component(s) identified either as an EHS or a
CERCLA Hazardous substance which in case of a spill or release may be subject to
SARA reporting requirements:
Name CERCLA/SARA - Hazardous Substances and their Reportable Quantities
Distillates (Petroleum), Heavy NA
Thermal Cracked
Extracts, Petroleum Heavy Paraffinic NA
Distillate Solvent
Sulfur Compounds NA
SARA Section 311/312: The following EPA hazard categories apply to this product:
Acute Health Hazard
Chronic Health Hazard
SARA Section 313: This product contains the following component(s) that may be subject to reporting on
the Toxic Release Inventory (TRI) From R:
MSDS ID NO.: 0265MAR019 Product name: Marathon Maraflex Oil Page 6 of 8
Name CERCLA/SARA 313 Emission reporting:
Distillates (Petroleum), Heavy None
Thermal Cracked
Extracts, Petroleum Heavy Paraffinic None
Distillate Solvent
Sulfur Compounds None
State and Community Right-To-Know Regulations:
The following component(s) of this material are identified on the regulatory lists below:
Distillates (Petroleum), Heavy Thermal Cracked
Louisiana Right-To-Know: Not Listed
California Proposition 65: Not Listed
New Jersey Right-To-Know: Not Listed.
Pennsylvania Right-To-Know: Not Listed.
Massachusetts Right-To Know: Not Listed.
Florida substance List: Not Listed.
Rhode Island Right-To-Know: Not Listed
Michigan critical materials register list: Not Listed.
Massachusetts Extraordinarily Hazardous Not Listed
Substances:
California - Regulated Carcinogens: Not Listed
Pennsylvania RTK - Special Hazardous Not Listed
Substances:
New Jersey - Special Hazardous Substances: Not Listed
New Jersey - Environmental Hazardous Not Listed
Substances List:
Illinois - Toxic Air Contaminants Not Listed
New York - Reporting of Releases Part 597 - Not Listed
List of Hazardous Substances:
Extracts, Petroleum Heavy Paraffinic Distillate Solvent
Louisiana Right-To-Know: Not Listed
California Proposition 65: Not Listed
New Jersey Right-To-Know: Not Listed.
Pennsylvania Right-To-Know: Not Listed.
Massachusetts Right-To Know: Carcinogen; Extraordinarily hazardous
Florida substance List: Not Listed.
Rhode Island Right-To-Know: Not Listed
Michigan critical materials register list: Not Listed.
Massachusetts Extraordinarily Hazardous carcinogen; extraordinarily hazardous
Substances:
California - Regulated Carcinogens: Not Listed
Pennsylvania RTK - Special Hazardous Not Listed
Substances:
New Jersey - Special Hazardous Substances: Not Listed
New Jersey - Environmental Hazardous Not Listed
Substances List:
Illinois - Toxic Air Contaminants Not Listed
New York - Reporting of Releases Part 597 - Not Listed
List of Hazardous Substances:
Sulfur Compounds
Louisiana Right-To-Know: Not Listed
California Proposition 65: Not Listed
New Jersey Right-To-Know: Not Listed.
Pennsylvania Right-To-Know: Not Listed.
Massachusetts Right-To Know: Not Listed.
Florida substance List: Not Listed.
Rhode Island Right-To-Know: Not Listed
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Michigan critical materials register list: Not Listed.
Massachusetts Extraordinarily Hazardous Not Listed
Substances:
California - Regulated Carcinogens: Not Listed
Pennsylvania RTK - Special Hazardous Not Listed
Substances:
New Jersey - Special Hazardous Substances: Not Listed
New Jersey - Environmental Hazardous Not Listed
Substances List:
Illinois - Toxic Air Contaminants Not Listed
New York - Reporting of Releases Part 597 - Not Listed
List of Hazardous Substances:
Canadian Regulatory Information:
Canada DSL/NDSL Inventory: This product and/or its components are listed either on the Domestic Substances List
(DSL) or the Non Domestic Substance List (NDSL).
16. OTHER INFORMATION
Additional Information: No data available.
Prepared by: Craig M. Parker Manager, Toxicology And Product Safety
The information and recommendations contained herein are based upon tests believed to be reliable. However,
Marathon Petroleum Company LLC (MPC) does not guarantee their accuracy or completeness nor shall any of this
information constitute a warranty, whether expressed or implied, as to the safety of the goods, the merchantability of the
goods, or the fitness of the goods for a particular purpose. Adjustment to conform to actual conditions of usage maybe
required. MPC assumes no responsibility for results obtained or for incidental or consequential damages, including lost
profits arising from the use of these data. No warranty against infringement of any patent, copyright or trademark is made
or implied.
End of Safety Data Sheet
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