Material Safety Data Sheet
MSDS ID NO.: 0257MAR019
Revision date: 07/20/2006
1. CHEMICAL PRODUCT AND COMPANY INFORMATION
Product name: Marathon Dilute Naphthalene Oil
Synonym: Dilute Naphthalene Oil; DNO
Chemical Family: Aromatic Hydrocarbon
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
Dilute Naphthalene is a mixture of naphthalene and indene derived from the fractionation of coal tar light oil.
Product information:
Name CAS Number Weight % ACGIH Exposure OSHA - Vacated Other:
Limits: PELs - Time
Weighted Ave
Marathon Dilute Naphthalene Oil Mixture 100
Component Information:
Name CAS Number Weight % ACGIH Exposure OSHA - Vacated Other:
Limits: PELs - Time
Weighted Ave
Naphthalene 91-20-3 62-82 Skin - potential = 10 ppm TWA
= 50 mg/m3 TWA
significant contribution
to overall exposure by = 15 ppm STEL
= 75 mg/m3 STEL
the cutaneous route
= 10 ppm TWA
= 15 ppm STEL
Indene 95-13-6 2-25 = 10 ppm TWA = 10 ppm TWA
= 45 mg/m鲁 TWA
2-methylnaphthalene 91-57-6 1.5-3
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.
MSDS ID NO.: 0257MAR019 Product name: Marathon Dilute Naphthalene Oil Page 1 of 9
3. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
DILUTE NAPHTHALENE OIL (DNO) IS A DARK BROWN HYDROCARBON LIQUID WITH A DISTINCTIVE MOTH BALL
ODOR. DNO IS HEATED DURING SHIPMENT TO PREVENT SOLIDIFICATION, AND THEREFORE, HAS THE
POTENTIAL TO CAUSE SKIN BURNS. THIS PRODUCT IS CONSIDERED TO BE A COMBUSTIBLE LIQUID PER
THE OSHA HAZARD COMMUNICATION STANDARD AND SHOULD BE KEPT AWAY FROM HEAT, FLAME AND
SOURCES OF IGNITION. DNO LIQUID AND VAPORS ARE IRRITATING TO THE EYE, SKIN AND MUCOUS
MEMBRANES. NAPHTHALENE EXPOSURE CAN ADVERSELY AFFECT THE BLOOD IN CERTAIN SUSCEPTIBLE
INDIVIDUALS. ASPIRATION (INADVERTENT SUCTION) OF LIQUID INTO THE LUNGS CAN PRODUCE CHEMICAL
PNEUMONIA OR EVEN DEATH.
OSHA WARNING LABEL:
WARNING.
COMBUSTIBLE LIQUID.
CONTACT WITH HEATED MATERIAL MAY CAUSE SEVERE BURNS.
LIQUID AND VAPOR CAN IRRITATE EYES, SKIN AND MUCOUS MEMBRANES.
EXPOSURE CAN ADVERSELY AFFECT THE BLOOD IN CERTAIN SUSCEPTIBLE INDIVIDUALS.
ASPIRATION (INADVERTENT SUCTION) OF LIQUID INTO THE LUNGS CAN PRODUCE CHEMICAL PNEUMONIA
OR EVEN DEATH.
CONSUMER WARNING LABEL:
A CONSUMER WARNING LABEL IS NOT APPLICABLE FOR THIS PRODUCT.
Inhalation: Inhalation of naphthalene vapors above the TLV can cause respiratory irritation,
profuse perspiration, headache, malaise, loss of appetite and nausea. Gross
overexposure can cause respiratory failure and pulmonary edema.
Ingestion: Liquid ingestion causes severe gastrointestinal pain, abdominal cramps, nausea,
vomiting, narcosis and central nervous system depression. Ingestion of large
quantities of this product has been reported to cause hemolytic anemia and liver and
kidney damage (see section 11 for additional toxicological information). Aspiration
(inadvertent suction) of liquid into the lungs must be avoided as even small quantities
in the lungs can produce chemical pneumonitis, pulmonary edema/hemorrhage and
even death.
Skin contact: Hot product causes severe burns. Direct liquid contact can produce irritation and
possibly skin burns. Prolonged and repeated liquid contact can cause defatting and
drying of the skin and can lead to irritation and/or dermatitis.
Eye contact: This material is an eye irritant. Eye irritation or a burning sensation may result from
contact with the liquid or exposure to vapor at concentrations above the TLV.
Contact with solid material may result in conjunctivitis, superficial injury to the cornea,
diminished visual acuity, cataract formation and other effects.
Carcinogenic Evaluation:
Product information:
Name IARC NTP ACGIH - OSHA - Select
Carcinogens: Carcinogens: Carcinogens: Carcinogens:
Marathon Dilute Naphthalene Oil NE
Mixture
Notes: The Internatiional Agency for Research on Cancer and the National Toxicology
Program have determined naphthalene colud be a possilbe human carcinogen.
Component Information:
MSDS ID NO.: 0257MAR019 Product name: Marathon Dilute Naphthalene Oil Page 2 of 9
Name IARC NTP ACGIH - OSHA - Select
Carcinogens: Carcinogens: Carcinogens: Carcinogens:
Naphthalene Monograph 82, 2002 Reasonably Anticipated To A4 - Not Classifiable as a Present
91-20-3 Be A Carcinogen Human Carcinogen
Listed
Indene Reasonably Anticipated To
95-13-6 Be A Carcinogen
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.
Skin contact: Wash with soap and large amounts of water. Remove contaminated clothing. If
symptoms or irritation occur, call a physician.
Ingestion: 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.
Notes to physician: Naphthalene ingestion or inhalation can result in massive hemolysis in glucose-6-
phosphate deficient individuals. Hemolysis in normal individuals occurs only with
exposure to very high levels.
Medical conditions aggravated Preexisting skin, eye and respiratory disorders may be aggravated by exposure to
by exposure: 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 has been determined to be a combustible liquid
per the OSHA Hazard Communication Standard and should
be handled accordingly. For additional fire related
information, see NFPA 30 or the North American Emergency
Response Guide 128.
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: 150-180 F
Autoignition temperature: No data available.
Flammable limits in air - lower (%): 0.9
Flammable limits in air - upper (%): 5.9
MSDS ID NO.: 0257MAR019 Product name: Marathon Dilute Naphthalene Oil Page 3 of 9
NFPA rating: HMIS classification:
Health: 2 Health: 2
Flammability: 2 Flammability: 2
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.
Eliminate all ignition sources. 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 free product to proper containers. Use suitable absorbent materials such
as vermiculite, sand, or clay to clean up residual liquids.
7. HANDLING AND STORAGE
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.
Never siphon this product by mouth. Avoid repeated and prolonged skin contact. Exercise good personal hygiene
including removal of soiled clothing and prompt washing with soap and water.
Hydrocarbons are basically non-conductors of electricity and can become electrostatically charged during mixing, filtering,
pumping at high flow rates or loading and transfer operations. If this charge reaches a sufficiently high level, sparks can
form that may ignite the vapors of flammable liquids. Sudden release of hot organic chemical vapors or mists from
process equipment operating under elevated temperature and pressure, or sudden ingress of air into vacuum equipment
may result in ignitions without the presence of obvious ignition sources. Nozzle spouts must be kept in contact with the
containers or tank during the entire filling operation.
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: Use approved organic vapor chemical cartridge or supplied air respirators when
material produces vapors that exceed permissible limits or excessive vapors are
generated. Observe respirator protection factor criteria cited in ANSI Z88.2. Self-
contained breathing apparatus should be used for fire fighting.
Skin and body protection: Polyvinyl alcohol (PVA) or viton gloves to prevent skin contact.
Eye protection: No special eye protection is normally required. Where splashing is possible, wear
safety glasses with side shields.
Hygiene measures: No special protective clothing is normally required. Select protective clothing
depending on industrial operations. Use mechanical ventilation equipment that is
explosion-proof.
9. PHYSICAL AND CHEMICAL PROPERTIES:
MSDS ID NO.: 0257MAR019 Product name: Marathon Dilute Naphthalene Oil Page 4 of 9
Appearance: Brown Liquid
Physical state (Solid/Liquid/Gas): Liquid
Substance type (Pure/Mixture): Mixture
Color: Dark brown
Odor: Moth Ball odor
Molecular weight: 116-128
pH: Neutral
Boiling point/range (5-95%): No data available.
Melting point/range: Not determined.
Decomposition temperature: Not applicable.
Specific gravity: Not determined
Density: 7.9-8.5 lbs/gal
Bulk density: No data available.
Vapor density: No data available.
Vapor pressure: Not determined.
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: No data available.
10. STABILITY AND REACTIVITY
Stability: The material is stable at 70 F, 760 mm pressure.
Polymerization: Will not occur.
Hazardous decomposition products: Carbon monoxide
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 Dilute Naphthalene Oil Mixture No data available Naphthalene LD50 is Naphthalene LD50 =
>2,500 gm/kg [Rat] 2,200 mg/kg [Rat]
MSDS ID NO.: 0257MAR019 Product name: Marathon Dilute Naphthalene Oil Page 5 of 9
Exposure to naphthalene at 30 ppm for two years caused lung tumors in female mice. Male mice with the same exposure
did not develop tumors. Exposure to 10-60 ppm naphthalene for 2 years caused tumors in the tissue lining of the nose
and respiratory tract in male and female rats.
Oral administration of 133-267 mg/kg/day of naphthalene in mice for up to 90 days did not produce mortality, systemic
toxicity, adversely affect organ or body weight or produce changes in blood. Repeated oral administration of naphthalene
produced an anemia in dogs. Repeated intraperitoneal doses of naphthalene produced lung damage in mice. Repeated
high doses of naphthalene has caused the formation of cataracts and retinotoxicity in the eyes of rats and rabbits due to
accumulation of 1,2-naphthoquinone, a toxic metabolite. Effects in human eyes is uncertain and not well documented.
Pregnant rats administered intraperitoneal doses of naphthalene during gestation gave birth to offspring that had delayed
heart and bone development. Pregnant mice given near lethal doses of naphthalene showed no significant maternal
toxicity and a reduction in the number of pups per litter, but no gross abnormalities in offspring. Suppressed
spermatogenesis and progeny development have been reported in mice, rats and guinea pigs after exposure to high
concentrations of naphthalene in their drinking water.
Certain groups or individuals, i.e., infants, Semites, Arabs, Asians and Blacks, with a certain blood enzyme deficiency
(glucose-6-phosphate dehydrogenase) are particularly susceptible to hemolytic agents and can rapidly develop hemolytic
anemia and systemic poisoning from ingestion or inhalation of naphthalene.
12. ECOLOGICAL INFORMATION
Ecotoxicity effects: The 96 hour TLM for naphthalene is 1-10 ppm.
13. DISPOSAL CONSIDERATIONS
Cleanup Considerations: This material as supplied is specifically listed as an EPA
RCRA hazardous waste according to federal regulations (40
CFR 260-271). The waste number is U165. However, when
discarded and disposed of, it may meet the criteria of a
hazardous waste. 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.
14. TRANSPORT INFORMATION
49 CFR 172.101:
DOT:
Transport Information: This material when transported via US commerce would be regulated by DOT
Regulations.
Proper shipping name: Hot Flammable Liquids, N. O. S. (Contains Naphthalene)
UN/Identification No: UN 1993
Hazard Class: 3
Packing group: III
DOT reportable quantity (lbs): 100 pounds.
TDG (Canada):
Proper shipping name: Hot Flammable Liquids, N. O. S. (Contains Naphthalene)
UN/Identification No: UN 1993
Hazard Class: 3
Packing group: III
Regulated substances: 100 pounds.
MSDS ID NO.: 0257MAR019 Product name: Marathon Dilute Naphthalene Oil Page 6 of 9
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
Naphthalene NA
Indene NA
2-methylnaphthalene 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
Naphthalene = 0.454 kg final RQ
= 1 lb final RQ
= 100 lb final RQ
= 45.4 kg final RQ
Indene NA
2-methylnaphthalene NA
SARA Section 311/312: The following EPA hazard categories apply to this product:
Acute Health Hazard
Fire 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:
Name CERCLA/SARA 313 Emission reporting:
Naphthalene = 0.1 % de minimis concentration
Indene None
2-methylnaphthalene None
State and Community Right-To-Know Regulations:
The following component(s) of this material are identified on the regulatory lists below:
Naphthalene
Louisiana Right-To-Know: Not Listed
California Proposition 65: Listed
New Jersey Right-To-Know: Listed
Pennsylvania Right-To-Know: Listed
Massachusetts Right-To Know: Listed
Florida substance List: Not Listed.
Rhode Island Right-To-Know: Listed
Michigan critical materials register list: Not Listed.
Massachusetts Extraordinarily Hazardous Not Listed
Substances:
California - Regulated Carcinogens: Not Listed
MSDS ID NO.: 0257MAR019 Product name: Marathon Dilute Naphthalene Oil Page 7 of 9
Pennsylvania RTK - Special Hazardous Not Listed
Substances:
New Jersey - Special Hazardous Substances: Not Listed
New Jersey - Environmental Hazardous Listed
Substances List:
Illinois - Toxic Air Contaminants Listed
New York - Reporting of Releases Part 597 - Listed
List of Hazardous Substances:
Indene
Louisiana Right-To-Know: Not Listed
California Proposition 65: Not Listed
New Jersey Right-To-Know: sn 1023
Pennsylvania Right-To-Know: [present]
Massachusetts Right-To Know: Present
Florida substance List: Not Listed.
Rhode Island Right-To-Know: Toxic
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:
2-methylnaphthalene
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:
Canadian Regulatory Information:
Canada DSL/NDSL Inventory: This product and/or its components are listed either on the Domestic Substances List
(DSL) or are exempt.
MSDS ID NO.: 0257MAR019 Product name: Marathon Dilute Naphthalene Oil Page 8 of 9
Name Canada - WHMIS: Classifications of Substances: Canada - WHMIS: Ingredient Disclosure:
Naphthalene B4, D2A 1%
Indene B3 1% (English Item 870, French Item 1016)
2-methylnaphthalene Uncontrolled product according to WHMIS classification
criteria.
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
MSDS ID NO.: 0257MAR019 Product name: Marathon Dilute Naphthalene Oil Page 9 of 9
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