Material Safety Data Sheet
SECTION 1 PRODUCT AND COMPANY IDENTIFICATION
Trade name OC305
Manufacturer/Supplier Merisol USA LLC
Address 1914 Haden Road, Houston, TX 77015-6498
Telephone CHEMTREC North America Transportation Emergency (24-hr) (800) 424-9300
CHEMTREC World Wide (703) 527-3887
Other Emergencies (24-hr) (713) 428 5400
MSDS and Product Information (8:00am-4:30pm CST) (713) 428 5400
Health and Safety Information (8:00am-4:00pm CST) (713) 428 5400
SECTION 2 COMPOSITION AND INFORMATION ON INGREDIENTS
Components CAS-No. Weight %
o-Cresol 95-48-7 100
See Section 8 for Exposure Guidelines and Section 15 for Regulatory Classifications.
SECTION 3 HAZARDS IDENTIFICATION
Appearance White to amber liquid or crystalline solid
Precautions DANGER! CAUSES SEVERE BURNS. COMBUSTIBLE LIQUID Harmful if inhaled.
Ensure adequate ventilation. Avoid contact with skin, eyes and clothing. Wash
thoroughly after handling.
Environmental Prevent further leakage or spillage if safe to do so. Do not contaminate any lakes,
precautions streams, ponds, groundwater or soil. Low to moderate aquatic toxicity. Product is
expected to undergo biodegradation at the levels anticipated in the environment.
POTENTIAL HEALTH EFFECTS
Eyes Contact can cause severe irritation and burns of the eyes with possible permanent
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Skin Acute dermal irritation/corrosion. Causes severe burns which may not be immediately
painful or visible. Repeated or prolonged contact can cause redness, irritation and
scaling of the skin (dermatitis). Liver and kidney injuries may occur.
Inhalation May cause respiratory tract irritation. May cause headache and dizziness.
Ingestion Harmful or fatal if swallowed. Ingestion may cause gastrointestinal irritation, nausea,
vomiting and diarrhea. Rapid heartbeat, systolic hypotension, respiratory failure,
myocardial failure, and pulmonary edema
Target Organs Lungs, Kidney, Liver, Central nervous system, Heart, Pancreas, Spleen,
Additional advice Rapid absorption and severe systemic toxicity can occur after any route of exposure.
(See Section 11 for Toxicological Information)
SECTION 4 FIRST AID MEASURES
Eye contact Danger of very serious irreversible effects. Rinse immediately with plenty of water, also
under the eyelids, for at least 15 minutes. Remove contact lenses. Obtain medical
Skin contact Take off contaminated clothing and shoes immediately. If possible, quickly blot material
from skin to avoid spreading it. Rapid skin decontamination is critical. Wash off
immediately with plenty of water. Wash off with polyethylene glycol and afterwards with
plenty of water. Apply PEG/EtOH solution liberally to affected area. Allow to remain 15
to 30 seconds, then wash with water Continue cycle of water - PEG/EtOH solution for at
least 15 minutes (PEG/EtOH solution consists of 2 parts polyethylene glycol 400 to 1 part
ethanol. For external use only.) Wash off with soap and water. Obtain medical
attention. Wash contaminated clothing before re-use.
Inhalation Remove to fresh air. If breathing is irregular or stopped, administer artificial respiration.
If breathing is difficult, give oxygen. Keep patient warm and at rest. Obtain medical
Ingestion If accidentally swallowed obtain immediate medical attention. Immediately give plenty of
water (if possible charcoal slurry). Do NOT induce vomiting.
Additional advice There is no specific antidote. Treatment consists of support of respiratory and
SECTION 5 FIRE FIGHTING MEASURES
Flash point 81 ?177.8 ?br>
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Autoignition 599 ?br>
C 1,110 ?br>
Flammable limits in Lower explosion limit: 1.4 %(V)
air % by volume Upper explosion limit: 7.6 %(V)
Fire and explosion Fire or intense heat may cause violent rupture of packages. Material will burn in a fire.
Extinguishing media Water spray or fog, foam, dry chemical, CO2. Do NOT use water jet.
Fire fighting Wear self-contained breathing apparatus and protective suit.
Further information Evacuate personnel to safe areas. Stop source of fuel if possible Keep containers and
surroundings cool with water spray. Do not allow run-off from fire fighting to enter drains
or water courses. Avoid contact with runoff water Potential hazard exists from Cresylic
acid vapors carried downwind.
SECTION 6 ACCIDENTAL RELEASE MEASURES
Steps to be taken in Evacuate the area and eliminate all sources of ignition. Only properly trained personnel
case of spill or leak should respond to spills or leaks Use personal protective equipment. Land spill: Contain
spilled liquid with sand, absorbent material, or concrete dikes for recovery or disposal. Do
not flush into surface water or sanitary sewer system. Soak up with inert absorbent
material and dispose of as hazardous waste. Water spill: Contain spill with booms.
Remove material that settles in deeper areas of waterway. Cresylic acids tend to sink in
fresh water and float in concentrated brine. Non-disposable equipment should be
thoroughly decontaminated with soap and water. Prevent further leakage or spillage if
safe to do so. Do not contaminate any lakes, streams, ponds, groundwater or soil.
Spill precautions Do not contaminate any lakes, streams, ponds, groundwater or soil.
Reporting Composition and extent of any spill should be evaluated against local regulations and
Requirements reported to the proper agencies, if necessary.
SECTION 7 HANDLING AND STORAGE
Safe handling advice Use only in well-ventilated areas. Use only in an area equipped with a safety shower.
Handle and open container with care. Do not use pressure to empty drums. Heat only in
areas with appropriate exhaust ventilation. Drums should be vented during melting and
unloading. Transfer lines and vents should be heated when working with freezable
material to avoid pressure differences due to blockages. Vapors should be routed
through an appropriate scrubber or flare to avoid release to the atmosphere. Avoid
overheating as it may lead to excessive vapors, discoloration, and spillage caused by
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Storage and handling Suitable: TANKS: carbon steel stainless steel
materials Unsuitable: Avoid use of aluminum, copper or brass alloys in storage or process
equipment which will contact this material
Shelf life Keep container tightly closed in a dry and well-ventilated place. Keep away from food,
drink and animal feeding stuffs. Keep away from sources of ignition - No smoking. Inert
gas blanket and breathing system needed to maintain color stability.
Further information Corrosive. Hygroscopic. May exhibit supercooling and crystallize rapidly when seeded or
on storage conditions subjected to physical shock.
SECTION 8 EXPOSURE CONTROLS/PERSONAL PROTECTION
Provide adequate ventilation. Mechanical ventilation may be necessary if working with
this product in enclosed areas and/or at elevated temperatures. The type of protective
equipment must be selected according to the concentration and amount of the dangerous
substance at the specific workplace.
PERSONAL PROTECTIVE EQUIPMENT
Eyes When contact with liquid is possible, use a face shield and/or chemical splash goggles.
Otherwise use safety glasses with side shields or goggles.
Skin Full protective clothing, chemical boots, and chemical gloves. Heavy PVC or butyl-viton
gloves are recommended. Non-disposable equipment should be thoroughly
decontaminated with soap and water.
Inhalation NIOSH-approved organic vapor air-purifying respirator, self-contained breathing
apparatus, or air-supplied respirators where there may be potential for overexposure.
Components Exposure limit(s)
o-Cresol OSHA PEL 5 ppm
ACGIH TLV (8-hour) 5 ppm
Naphthalene OSHA PEL 10 ppm
ACGIH TLV (8-hour) 10 ppm
ACGIH STEL 15 ppm
PEL= Permissible Exposure Limits TWA= Time Weighted Average (8 hr.)
TLV= Threshold Limit Value STEL= Short Term Exposure Limit (15 min.)
EL= Excursion Limit WEEL= Workplace Environmental Exposure Level
SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES
Appearance liquid or crystalline solid
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Color White to amber
Form liquid or crystalline solid
Boiling point/range 191 ?375 ?br>
Vapor pressure 0.5 mm Hg @ 30 ?br>
Vapor density 3.72
Solubility (water) 30 g/l@ 100癈
Viscosity, dynamic 3 mPa.s @ 50 ?br>
Melting point/range 31 癈 87.8 ?br>
Density 1.04 g/cm3 @ 15.5 ?br>
SECTION 10 STABILITY AND REACTIVITY
Conditions to avoid Stable under normal conditions.
Hazardous Combustion products include carbon dioxide, carbon monoxide and possibly other
decomposition unidentified organic compounds.
Incompatibility with strong oxidizing agents
Hazardous Hazardous polymerization does not occur.
SECTION 11 TOXICOLOGICAL INFORMATION
o-Cresol Acute dermal LD50 (rodent): 620 mg/kg
Repeated inhalation exposure has resulted in central nervous system effects and blood
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o-Cresol Acute oral LD50 (rat): 121 - 1,350 mg/kg
Repeat high level oral exposure of rats and mice produced changes in liver and kidney
weights, estrus cycles, bone marrow and female reproductive organs, as well as,
irritation of the respiratory and gastrointestinal tracts.
o-Cresol This substance is reported to have tumor promoting activity in mice following skin
application. The human health significance of this finding is uncertain. This chemical is
not listed for carcinogenicity by IARC, NTP or OSHA.
SECTION 12 ECOLOGICAL INFORMATION
Aquatic toxicity Low to moderate aquatic toxicity.
o-Cresol LC50 (Fish): 96 hours 6.2 - 23.3 mg/l
LC50 (Daphnia): 48 hours 5 - 21 mg/l
EC50 (algae): 96 hours 40 - 100 mg/l
Biodegradation Product is expected to undergo biodegradation at the levels anticipated in the environment.
SECTION 13 DISPOSAL CONSIDERATIONS
Disposal methods Dispose of only in accordance with local, state, and federal regulations. Do not
contaminate any lakes, streams, ponds, groundwater or soil.
Empty containers Empty containers retain product residue (liquid and/or vapor) and can be dangerous. DO
NOT PRESSURIZE, CUT, WELD, BRAZE, SOLDER, DRILL, GRIND, OR EXPOSE
SUCH CONTAINERS TO HEAT, FLAME, SPARKS, STATIC ELECTRICITY, OR
OTHER SOURCES OF IGNITION; THEY MAY EXPLODE AND CAUSE INJURY OR
DEATH. Empty drums should be completely drained, triple-rinsed, properly bunged and
promptly returned to a drum reconditioner, or properly disposed.
SECTION 14 TRANSPORT INFORMATION
DOT description RQ, Cresols, solid, molten, 6.1, UN 3455, II, (8)
IATA description Cresols, solid, molten, 6.1, UN 3455, II, (8)
IMDG Description Cresols, solid, molten, 6.1, UN 3455, II, (8)
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SECTION 15 REGULATORY INFORMATION
U.S. FEDERAL REGULATIONS
Toxic, Corrosive., Combustible liquid.
TSCA Inventory Listing
Phenol, 2-methyl 95-48-7
SARA 302 Status
Components CAS-No. Weight %
Contains no chemicals subject to SARA 302 reporting.
SARA 311/312 Classification
"Immediate (acute) health hazard", Fire Hazard
SARA 313 Chemical
Components CAS-No. Weight %
Phenol, 2-methyl 95-48-7 100
Naphthalene 91-20-3 0
CERCLA Hazardous Substance
Components CERCLA RQ Weight %
Phenol, 2-methyl 100 LB 100
Naphthalene 100 LB 0
Workplace Hazardous Materials Information System (WHMIS) Classification
Toxic Material Causing Immediate and Serious Toxic Effects
Australian Inventory of Chemical Substances (AICS) Listing
Listed on the AICS.
Japanese Minister of International Trade and Industry (MITI) Inventory Listing
Listed on MITI.
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Canadian Domestic Substance List (DSL) Inventory Listing
Listed on the DSL.
European Inventory of Existing Commercial Chemical Substances (EINECS) Listing
Listed on EINECS.
Philippines Inventory List (PICCS)
Listed on PICCS.
Korean Inventory List
Listed on the ECL.
China Inventory List
Listed on the China inventory.
California Safe Drinking Water Act (Prop 65) Listing
This product may contain residual amounts of Naphthalene at concentrations typically from less than 10 ppm
to 0.9%. MERISOL does not analyze specifically for Proposition 65 listed chemicals; however, through
process knowledge, the following components may be present at concentrations of less than 100 ppm:
Toluene, Aniline, o-Toluidine, 2,6-Xylidine. Merisol's manufacturing process is intended to minimize
impurities which would include these potential components.
SECTION 16 OTHER INFORMATION
Health Flammability Reactivity
NFPA 3 2 0
This material is FOR INDUSTRIAL USE ONLY. The data and information contained herein are being furnished for
informational purposes only, upon the express condition that each customer shall make its own assessment of
appropriate use and appropriate shipping, transport and storage materials and procedures for Merisol's products.
Although based on information sources which Merisol considers accurate and reliable, Merisol makes no warranty,
either express or implied, including any warranties of merchantability or fitness for a particular purpose, regarding the
validity of this information, the information sources upon which the same are based, or the results to be obtained, and
expressly disclaims any liabilities for damages or injuries resulting from the use thereof. Compliance with all applicable
federal, state, and local laws and regulations remains the responsibility of the user.
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