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MSDS for CUMENE Page 1
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1 - PRODUCT IDENTIFICATION
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PRODUCT NAME: CUMENE
FORMULA: C6H5CH(CH3)2
FORMULA WT: 120.20
CAS NO.: 00098-82-8
NIOSH/RTECS NO.: GR8575000
COMMON SYNONYMS: ISO-PROPYL BENZENE; CUMOL
PRODUCT CODES: F909
EFFECTIVE: 08/28/86
REVISION #02
PRECAUTIONARY LABELLING
BAKER SAF-T-DATA(TM) SYSTEM
HEALTH - 1 SLIGHT
FLAMMABILITY - 2 MODERATE
REACTIVITY - 1 SLIGHT
CONTACT - 1 SLIGHT
HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD).
LABORATORY PROTECTIVE EQUIPMENT
SAFETY GLASSES; LAB COAT; VENT HOOD; PROPER GLOVES; CLASS B EXTINGUISHER
PRECAUTIONARY LABEL STATEMENTS
CAUTION
COMBUSTIBLE
KEEP AWAY FROM HEAT, SPARKS, FLAME.
KEEP IN TIGHTLY CLOSED CONTAINER. WASH THOROUGHLY AFTER HANDLING. IN
CASE OF FIRE, USE ALCOHOL FOAM, DRY CHEMICAL, CARBON DIOXIDE - WATER MAY BE
INEFFECTIVE.
SAF-T-DATA(TM) STORAGE COLOR CODE: RED (FLAMMABLE)
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2 - HAZARDOUS COMPONENTS
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COMPONENT % CAS NO.
CUMENE 90-100 98-82-8
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3 - PHYSICAL DATA
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BOILING POINT: 151 C ( 304 F) VAPOR PRESSURE(MM HG): 3.5
MELTING POINT: -96 C ( -141 F) VAPOR DENSITY(AIR=1): 4.1
SPECIFIC GRAVITY: 0.86 EVAPORATION RATE: N/A
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(H2O=1) (BUTYL ACETATE=1)
SOLUBILITY(H2O): NEGLIGIBLE (LESS THAN 0.1 %) % VOLATILES BY VOLUME: 100
APPEARANCE & ODOR: COLORLESS LIQUID WITH AROMATIC ODOR.
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4 - FIRE AND EXPLOSION HAZARD DATA
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FLASH POINT (CLOSED CUP 43 C ( 110 F) NFPA 704M RATING: 0-2-0
FLAMMABLE LIMITS: UPPER - 6.5 % LOWER - 0.9 %
FIRE EXTINGUISHING MEDIA
USE ALCOHOL FOAM, DRY CHEMICAL OR CARBON DIOXIDE.
(WATER MAY BE INEFFECTIVE.)
SPECIAL FIRE-FIGHTING PROCEDURES
FIREFIGHTERS SHOULD WEAR PROPER PROTECTIVE EQUIPMENT AND SELF-CONTAINED
(POSITIVE PRESSURE IF AVAILABLE) BREATHING APPARATUS WITH FULL FACEPIECE.
MOVE EXPOSED CONTAINERS FROM FIRE AREA IF IT CAN BE DONE WITHOUT RISK.
USE WATER TO KEEP FIRE-EXPOSED CONTAINERS COOL.
UNUSUAL FIRE & EXPLOSION HAZARDS
VAPORS MAY FLOW ALONG SURFACES TO DISTANT IGNITION SOURCES AND FLASH BACK.
CLOSED CONTAINERS EXPOSED TO HEAT MAY EXPLODE.
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5 - HEALTH HAZARD DATA
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THRESHOLD LIMIT VALUE (TLV/TWA): MG/M3 ( 50 PPM)
SHORT-TERM EXPOSURE LIMIT (STEL): MG/M3 ( 75 PPM)
PERMISSIBLE EXPOSURE LIMIT (PEL): 245 MG/M3 ( 50 PPM)
TOXICITY: LD50 (ORAL-RAT)(MG/KG) - 1400
LC50 (INHL-RAT-4H) (PPM) - 8000
CARCINOGENICITY: NTP: NO IARC: NO Z LIST: NO OSHA REG: NO
EFFECTS OF OVEREXPOSURE
OVEREXPOSURE TO VAPORS MAY CAUSE IRRITATION OF MUCOUS MEMBRANES, DRYNESS
OF MOUTH AND THROAT, HEADACHE, NAUSEA AND DIZZINESS.
INHALATION OF VAPORS MAY CAUSE NARCOSIS.
CONTACT WITH SKIN OR EYES MAY CAUSE IRRITATION.
LIQUID IS READILY ABSORBED THROUGH THE SKIN.
TARGET ORGANS
EYES, SKIN, UPPER RESPIRATORY SYSTEM, CENTRAL NERVOUS SYSTEM
MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
NONE IDENTIFIED
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ROUTES OF ENTRY
INHALATION, INGESTION, EYE CONTACT, SKIN CONTACT
EMERGENCY AND FIRST AID PROCEDURES
CALL A PHYSICIAN.
IF SWALLOWED, DO NOT INDUCE VOMITING; IF CONSCIOUS, GIVE LARGE AMOUNTS OF
WATER.
IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL
RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH PLENTY OF WATER FOR AT
LEAST 15 MINUTES. FLUSH SKIN WITH WATER.
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6 - REACTIVITY DATA
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STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR
CONDITIONS TO AVOID: HEAT, FLAME, OTHER SOURCES OF IGNITION
INCOMPATIBLES: STRONG OXIDIZING AGENTS
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7 - SPILL AND DISPOSAL PROCEDURES
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STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE
WEAR SUITABLE PROTECTIVE CLOTHING. SHUT OFF IGNITION SOURCES; NO FLARES,
SMOKING, OR FLAMES IN AREA. STOP LEAK IF YOU CAN DO SO WITHOUT RISK. USE
WATER SPRAY TO REDUCE VAPORS. TAKE UP WITH SAND OR OTHER NON-COMBUSTIBLE
ABSORBENT MATERIAL AND PLACE INTO CONTAINER FOR LATER DISPOSAL. FLUSH
AREA WITH WATER.
J. T. BAKER SOLUSORB(R) SOLVENT ADSORBENT IS RECOMMENDED
FOR SPILLS OF THIS PRODUCT.
DISPOSAL PROCEDURE
DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL
ENVIRONMENTAL REGULATIONS.
EPA HAZARDOUS WASTE NUMBER: U055 (TOXIC WASTE)
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8 - PROTECTIVE EQUIPMENT
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VENTILATION: USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET
TLV REQUIREMENTS.
RESPIRATORY PROTECTION: RESPIRATORY PROTECTION REQUIRED IF AIRBORNE
CONCENTRATION EXCEEDS TLV. AT CONCENTRATIONS UP
TO 1000 PPM, A CHEMICAL CARTRIDGE RESPIRATOR WITH
ORGANIC VAPOR CARTRIDGE IS RECOMMENDED. ABOVE
THIS LEVEL, A SELF-CONTAINED BREATHING APPARATUS
IS RECOMMENDED.
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EYE/SKIN PROTECTION: SAFETY GOGGLES, UNIFORM, APRON, RUBBER GLOVES ARE
RECOMMENDED.
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9 - STORAGE AND HANDLING PRECAUTIONS
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SAF-T-DATA(TM) STORAGE COLOR CODE: RED (FLAMMABLE)
SPECIAL PRECAUTIONS
KEEP CONTAINER TIGHTLY CLOSED. STORE IN A COOL, DRY, WELL-VENTILATED,
FLAMMABLE LIQUID STORAGE AREA OR CABINET.
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10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION
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DOMESTIC (D.O.T.)
PROPER SHIPPING NAME COMBUSTIBLE LIQUID, N.O.S. (CUMENE)
HAZARD CLASS COMBUSTIBLE LIQUID
UN/NA NA1993
LABELS NO LABEL REQUIRED UNDER 110 GALLONS
REPORTABLE QUANTITY 5000 LBS.
INTERNATIONAL (I.M.O.)
PROPER SHIPPING NAME CUMENE
HAZARD CLASS 3.3
UN/NA UN1918
LABELS FLAMMABLE LIQUID
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