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Material Safety Data Sheet
Section 1. Chemical Product and Company Identification
Product name
ATOSOL 200
In Case of
Chemtrec:
Emergency
(800) 424-9300
Total Petrochemicals & Refining USA, Inc.:
(800) 322-3462
Supplier
Total Petrochemicals & Refining USA, Inc.
Technical
For non-emergency product information:
P O Box 674411
Information email [email address]
Houston,TX  77267-4411
Chemical Family Aromatic Hydrocarbon Mixture
MSDS#
AS0011
CAS Registry
64742-94-5
Validation
3/29/2012
Number
Date
Print Date
3/29/2012
Synonym
Aromatic Hydrocarbon Mixture,
Solvent naphtha, petroleum, heavy arom.
Formerly, FAS TX200
Section 2. Hazards Identification
Emergency Overview
MAY BE HARMFUL IF INHALED.
MAY CAUSE RESPIRATORY TRACT, EYE AND SKIN IRRITATION.
MAY BE HARMFUL IF SWALLOWED .
ASPIRATION HAZARD IF SWALLOWED  - CAN ENTER LUNGS AND CAUSE DAMAGE
MAY CAUSE DAMAGE TO THE FOLLOWING ORGANS: LUNGS, CENTRAL NERVOUS
SYSTEM, DIGESTIVE SYSTEM, RESPIRATORY TRACT, SKIN, EYES, BLOOD, KIDNEYS,
LIVER.
CONTAINS MATERIAL WHICH MAY CAUSE CANCER
Routes of Entry
Absorbed through skin.  Dermal contact.  Eye contact.  Inhalation.  Ingestion.
Potential Acute Health Effects
Eyes May cause eye irritation.
Skin May cause skin irritation.Skin inflammation is characterized by itching, scaling, reddening, or,
occasionally, blistering.
Inhalation High vapor/mist concentration exposure can cause respiratory tract irritation, nausea,
headaches, dizziness, and other central nervous system effects.
Ingestion May cause irritation of gastrointestinal tract.  If swallowed, aspiration into lungs may result in
chemical pneumonitis an severe pulmonary injury.
Potential Chronic Health
CARCINOGENIC EFFECTS:
Effects
Classified 2B (Possible for humans.) by IARC [naphthalene].
Classified 2 (Reasonably anticipated to be human carcinogens.) by NTP [naphthalene].
Classified A4 (Not classifiable for humans or animals.) by  ACGIH [naphthalene].
Medical Conditions
Repeated exposure to an highly toxic material may produce general deterioration of health by
Aggravated by
an accumulation in one or many human organs.
Overexposure
Overexposure /Signs/
Prolonged or repeated exposure to this product can cause central nervous system effects and
Symptoms
irritation to the eyes, skin, and respiratory tract.  Frequent skin contact can remove skin oils,
resulting in dermatitis.
See Toxicological Information (Section 11)
Section 3. Composition and Information on Ingredients
Occupational exposure limits, if available, are listed in Section 8.
Substance Name
CAS #
% by Weight
solvent naphtha (petroleum), heavy arom.
64742-94-5
100
2-methylnaphthalene
91-57-6
20 - 30
1-methylnaphthalene
90-12-0
10 - 20
naphthalene
91-20-3
5 - 20
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Section 4. First Aid Measures
Eye Contact
Flush with large amounts of water.   If redness persists, get medical attention.
Skin Contact
If the chemical got onto the clothed portion of the body, remove the contaminated clothes as
quickly as possible.  Wash contaminated skin with soap and water.
Inhalation
Allow the victim to rest in a well-ventilated area.  Seek immediate medical attention.
Ingestion
DO NOT induce vomiting.  Examine the lips and mouth to ascertain whether the tissues are
damaged, a possible indication that the toxic material was ingested; the absence of such signs
, however, is not conclusive.  Loosen tight clothing such as a collar, tie, belt or waistband.  If
the victim is not breathing, perform mouth-to-mouth resuscitation.  Seek immediate medical
attention.
Section 5. Fire Fighting Measures
Flammability of the
May be combustible at high temperature.
Product
Auto-ignition
Not available.
Temperature
Flash Points
CLOSED CUP: >93.333°C (200°F).  (Tagliabue.).
Flammable Limits
Not available.
Products of Combustion
These products are carbon oxides (CO, CO2).
Fire Hazards in Presence
Combustible  in presence  of open flames and sparks  at high temperature
of Various Substances
Explosion Hazards in
Risks of explosion of the product in presence of static discharge:  Possible.
Presence of Various
Substances

Fire Fighting Media
SMALL FIRE:  Use DRY chemical powder, halon, and CO2.
and Instructions
LARGE FIRE:  Use water spray, fog or foam.  DO NOT use water jet.
Protective Clothing (Fire)
Wear MSHA/NIOSH approved self-contained breathing apparatus or equivalent and full
protective gear (Bunker gear).
Section 6. Accidental Release Measures
Small Spill and Leak
Absorb with an inert material and put the spilled material in an appropriate waste disposal.
Large Spill and Leak
Contain spill and safely stop the flow.
 Warn personnel to move away.
Eliminate all sources of ignition.
Ventilate.
Absorb with an inert material (sand) and put the spilled material in an appropriate waste
disposal.
Do not allow any potentially contaminated water including rain water,  runoff from fire fighting
or spills to enter any waterway, sewer or drain.
Prevent entry into sewers, basements or confined areas; dike if needed.
Keep out of waterways.
Section 7. Handling and Storage
Handling
Keep away from heat.
Keep away from sources of ignition.
Ground all equipment containing material.
DO NOT ingest.
Do not breathe gas, fumes, vapor or spray.
In case of insufficient ventilation, wear suitable respiratory equipment.
If ingested, seek medical advice immediately and show the container or the label.
Avoid contact with skin and eyes.
Keep away from incompatibles such as oxidizing agents.
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Storage
Keep container dry.
Keep in a cool place.
Ground all equipment containing material.
Keep container tightly closed.
Keep in a cool and well-ventilated area.
Materials should be stored away from extreme heat and away from strong oxidizing agents.
All efforts should be made to prevent any leaks or spills. Storage tanks containing should be
engineered to prevent contact with water resources, as this material could contaminate the
water resources. Surface spills can reach groundwater through porous soil or cracked
surfaces. The storage tanks should be monitored regularly for leaks. Where spills or leaks are
possible, a comprehensive response plan should be developed and implemented.
Section 8. Exposure Controls/Personal Protection
Engineering Controls
Provide exhaust ventilation or other engineering controls to keep the airborne concentrations of
vapors below their respective threshold limit value.  Ensure that eyewash stations and safety
showers are proximal to the work-station location.
Personal Protection
Eyes Safety glasses with side shields.
Body Coveralls.
Respiratory Use a MSHA/NIOSH approved respirator or equivalent at high concentrations.
Hands Chemical resistant gloves if contact is possible.
Feet Shoes.
Protective Clothing (
Pictograms)

Personal Protection in
Splash goggles.  Full suit.  Vapor respirator.  Boots.  Gloves.  A self contained breathing
Case of a Large Spill
apparatus should be used to avoid inhalation of the product.  Suggested protective clothing
might not be sufficient; consult a specialist BEFORE handling this product.
Product Name
Exposure Limits
solvent naphtha (petroleum), heavy arom.
Not established.
2-methylnaphthalene
ACGIH TLV (United States, 2011). Absorbed through skin.
  TWA: 0.5 ppm 8 hour(s).
1-methylnaphthalene
ACGIH TLV (United States, 2011). Absorbed through skin.
  TWA: 0.5 ppm 8 hour(s).
naphthalene
ACGIH TLV (United States, 2011).
  TWA: 10 ppm 8 hour(s).
  STEL: 15 ppm 15 minute(s).
OSHA PEL (United States, 11/2006).
  TWA: 10 ppm 8 hour(s).
Consult local authorities for acceptable exposure limits.
Section 9. Physical and Chemical Properties
Physical State and Appearance
Liquid.
Color
Light straw.
Odor
Aromatic.
Molecular Weight
Not applicable.
Molecular Formula
Not applicable.
Boiling/Condensation Point
232 to 279°C (449.6 to 534.2°F)
Specific Gravity
0.97 - 1.01 (Water = 1)
Vapor Pressure
<1 mm of Hg (@ 20°C)
Reid Vapor Pressure
Vapor Density
4.5  (Air = 1)
Volatility
100% (v/v).
Evaporation Rate
Less than Butyl Acetate
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VOC
100 (%)
Solubility in Water
Negligible.
Section 10. Stability and Reactivity
Stability and Reactivity
The product is stable.
Conditions of Instability
No additional remark.
Incompatibility with
Extremely reactive or incompatible with strong oxidizing agents.
Various Substances
Hazardous Decomposition carbon monoxide & carbon dioxide
Products
Hazardous
Under normal conditions of storage and use, hazardous polymerization will not occur.
Polymerization
Section 11. Toxicological  Information
Toxicity to Animals
Acute oral toxicity (LD50): 1596 mg/kg (Mouse) (Calculated value for the mixture).
Acute dermal toxicity (LD50): 13131 mg/kg (Rat) (Calculated value for the mixture).
Chronic Effects on
CARCINOGENIC EFFECTS: Classified 2B (Possible for humans.) by IARC [naphthalene].
Humans
Classified 2 (Reasonably anticipated to be human carcinogens.) by NTP [naphthalene].
Classified A4 (Not classifiable for humans or animals.) by  ACGIH [naphthalene].
May cause damage to the following organs: lungs, Central Nervous System (CNS), digestive
system, upper respiratory tract, skin, eyes,kidneys,liver,blood.
Other Toxic Effects on
May be irritating to eyes, skin and respiratory system. Aspiration hazard if swallowed. Can
Humans
enter lungs and cause damage.
Special Remarks on
NTP concluded based on  inhalation studies that there is clear evidence of carcinogenic
Toxicity to Animals
activity of naphthalene in rats based on increased incidences of respiratory epithelial adenoma
(tissue tumors) and olfactory epithelial neuroblastoma (malignant tumors) of the nose.
Section 12. Ecological Information
Ecotoxicity
Aromatic hydrocarbon solvents are moderately toxic to freshwater fish, invertebrate and algae.
Mobility
Constituents of this type of aromatic solvent are expected to partition between air, water, and
soil.
Special Remarks on the
Constituents of this type of aromatic solvent are expected to biodegrade.
Products of
Biodegradation

Section 13. Disposal Considerations
Waste Information
Recover free liquid.  Transfer to a safe disposal area in accordance with federal, state, and
local regulations.
Consult your local or regional authorities.
Section 14. Transport Information
(for domestic bulk shipments, non-bulk shipments may differ)
  
DOT Classification for
DOT CLASS 9:  Miscellaneous Hazardous Material
Bulk Shipments (non bulk
shipments may differ)

Proper Shipping Name/
UN3082, Environmentally Hazardous Substances, liquid,  n.o.s. (Aromatic Naphtha), 9, PGIII
Description
RQ (contains Naphthalene)
UN Number
UN3082
Packing Group
III
Marine Pollutant
Not listed in Appendix B to 49CFR172.101
Hazardous Substances
Naphthalene: 100 lbs
Reportable Quantity
Special Provisions for
See codes as shown in 49 CFR 172.101 column 7.
Transport
TDG Classification
Not available.
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IMO/IMDG Classification Not available.
ICAO/IATA Classification Not available.
USCG Proper
Naphtha:  Aromatic
Shipping Name
Section 15. Regulatory Information
HCS Classification
Class: Target organ effects.
U.S. Federal Regulations
TSCA 4(a) final test rules: naphthalene
TSCA 8(a) PAIR: naphthalene
TSCA 8(a) IUR: Partial exemption
United States inventory (TSCA 8b): All components are listed or exempted.
TSCA 12(b) annual export notification: naphthalene
SARA 302/304/311/312 extremely hazardous substances: To the best of our knowledge,
there are no substances that would be at reportable levels for this regulation in this product.
SARA 302/304 emergency planning and notification: To the best of our knowledge, there
are no substances that would be at reportable levels for this regulation in this product.
SARA 302/304/311/312 hazardous chemicals: solvent naphtha (petroleum), heavy arom.
SARA 311/312 MSDS distribution - chemical inventory - hazard identification: solvent
naphtha (petroleum), heavy arom.: Immediate (acute) health hazard, Delayed (chronic) health
hazard
SARA 313 Supplier Notification
This product contains the following EPCRA section 313 chemicals subject to the reporting
requirements of section 313 of the Emergency Planning and Community Right-to-Know Act
of 1986 (40 CFR 372 -Table 372.65).
Product name
CAS number
Concentration (%)
naphthalene
91-20-3
5 - 20
Clean Water Act (CWA) 307: naphthalene
Clean Water Act (CWA) 311: naphthalene
International Regulations
WHMIS (Canada) Class D-2A: Material causing other toxic effects (Very toxic).
CEPA Toxic substances: The following components are listed: Naphthalene
Canadian ARET: None of the components are listed.
Canadian NPRI: The following components are listed: Heavy aromatic solvent naphtha
Alberta Designated Substances: None of the components are listed.
Ontario Designated Substances: None of the components are listed.
Quebec Designated Substances: None of the components are listed.
EINECS
265-198-5
DSCL (EEC)
R65- Harmful: may cause lung damage if swallowed.
CEPA DSL/NDSL Canada inventory: All components are listed or exempted.
International Lists Australia inventory (AICS): All components are listed or exempted.
China inventory (IECSC): All components are listed or exempted.
Japan inventory: All components are listed or exempted.
Korea inventory: All components are listed or exempted.
New Zealand Inventory of Chemicals (NZIoC): All components are listed or exempted.
Philippines inventory (PICCS): All components are listed or exempted.
State Regulations
Massachusetts Substances: The following components are listed: 1-
METHYLNAPHTHALENE; NAPHTHALENE
New Jersey Hazardous Substances: The following components are listed: NAPHTHALENE;
MOTH FLAKES
New York Acutely Hazardous Substances: The following components are listed:
Naphthalene
Pennsylvania RTK Hazardous Substances: The following components are listed:
NAPHTHALENE, 1-METHYL-; NAPHTHALENE
WARNING: This product contains a chemical or chemicals known to the State of California to
cause cancer, birth defects or other reproductive harm.
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Section 16. Other Information
Label requirements
MAY BE HARMFUL IF INHALED.
MAY CAUSE RESPIRATORY TRACT, EYE AND SKIN IRRITATION.
MAY BE HARMFUL IF SWALLOWED .
ASPIRATION HAZARD IF SWALLOWED  - CAN ENTER LUNGS AND CAUSE DAMAGE
MAY CAUSE DAMAGE TO THE FOLLOWING ORGANS: LUNGS, CENTRAL NERVOUS
SYSTEM, DIGESTIVE SYSTEM, RESPIRATORY TRACT, SKIN, EYES, BLOOD, KIDNEYS,
LIVER.
CONTAINS MATERIAL WHICH MAY CAUSE CANCER
Hazardous Material
Health
*
1
Information System
Fire Hazard
1
(U.S.A.)
Reactivity
0
Personal Protection
 
National Fire
 
Protection
1
Fire Hazard
Association
Health
1
0 Reactivity
(U.S.A.)
Specific Hazard
References
-HSDB - Hazardous Substances Data Bank
 Chemtox Database
Validated on 3/29/2012.
Printed 3/29/2012.
Chemtrec:
(800) 424-9300
Total Petrochemicals & Refining USA, Inc.:
(800) 322-3462

Notice to Reader
To the best of our knowledge, the information contained herein is accurate.  However, neither the above named supplier nor any of its subsidiaries assumes any
liability whatsoever for the accuracy or completeness of the information contained herein.  Final determination of suitability of any material is the sole
responsibility of the user. All materials may present unknown hazards and should be used with caution.  Although certain hazards are described herein, we
cannot guarantee that these are the only hazards that exist.

MSDS Name
ATOSOL 200
MSDS Code
ATOSOL200
21
To obtain an electronic copy of this MSDS, please email:  [email address].
Total Petrochemicals & Refining USA, Inc.