Product ID:Q531, METHYL ETHYL KETONE
MSDS Date:05/27/1988
FSC:6810
NIIN:00-472-7967
MSDS Number: BPNZV

J T BAKER INC

222 RED SCHOOL LANE
PHILLIPSBURG, NJ 08865-2219
US

Emergency Phone: 908-859-2151;800-424-9300(CHEMTREC)

Info Phone: 800-582-2537

Cage: DO803

MALLINCKRODT BAKER, INC.

PHILLIPSBURG, NJ 08865 US

Telephone: 800-582-2537

Cage: 70829

2-BUTANONE; (METHYL ETHYL KETONE) (MEK) (SARA III)

CAS: 78-93-3

RTECS: EL6475000

Fraction By Weight: 99-100%

OSHA PEL 200 PPM;300 STEL

ACGIH TLV: 200 PPM;300 STEL

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

LD50 LC50 Mixture:LD50 (ORAL, RAT):2737 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION OF VAPORS MAY CAUSE
HEADACHE, NAUSEA, VOMITING, DIZZINESS, DROWSINESS, IRRITATION OF
RESPIRATORY TRACT AND UNCONSCIOUSNESS. CONTACT WITH SKIN OR EYES
MAY CAUSE IRRITATION. PROLONGED SKIN CO NTACT MAY RESULT IN
DERMATITIS. EYE CONTACT MAY RESULT IN TEMPORARY CORNEAL DAMAGE.
INGESTION MAY (EFTS OF OVEREXPOS)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:CAUSE NAUSEA, VOMITING, HEADACHE,
DIZZINESS AND GI IRRITATION. INGESTION MAY CAUSE CNS DEPRESSION.
CHRONIC EFFECTS OF OVEREXPOSURE MAY INCLUDE CNS DEPRESSION. TARGET
ORGANS INCLUDE: NASAL SEP TUM, LUNGS, EYES, SKIN, MUCOUS MEMBRANES.
IN ANIMALS:LIVER, KIDNEYS, LUNGS, SPLEEN AND BRAIN.
Medical Cond Aggravated by Exposure:RESPIRATORY SYSTEM DISEASE, SKIN
DISORDERS.

First Aid:CALL A PHYSICIAN. INGEST:DO NOT INDUCE VOMITING. INHAL:REMOVE
TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION. IF
BREATHING IS DIFFICULT, GIVE OXYGEN. SKIN:FLUSH WITH WATER.
EYES:IMMEDIATE LY FLUSH WITH PLENTY OF WATER FOR AT LEAST 15
MINUTES.

Flash Point Method:COC
Flash Point:19.4F,-7.0C
Lower Limits:1.8%
Upper Limits:11.4%
Extinguishing Media:USE ALCOHOL FOAM, DRY CHEMICAL OR CARBON DIOXIDE.
WATER MAY BE INEFFECTIVE.
Fire Fighting Procedures:USE NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP .
MOVE CONTRS FROM FIRE AREA IF IT CAN BE DONE W/OUT RISK. USE WATER
TO KEEP FIRE-EXPOS CONTRS COOL.
Unusual Fire/Explosion Hazard:VAPS MAY FLOW ALONG SURF TO DISTANT IGNIT
SOURCES & FLASH BACK. CLSD CONTRS EXPOSED TO HEAT MAY EXPLODE.
CONTACT W/ STRONG OXIDIZERS MAY CAUSE FIRE.

Spill Release Procedures:WEAR NIOSH/MSHA APPRVD SCBA & FULL PROT CLTHG.
SHUT OFF IGNIT SOURCES; NO FLARES, SMOKING/FLAMES IN AREA. STOP
LEAK IF YOU CAN DO SO W/OUT RISK. USE WATER SPRAY TO REDUCE VAPS.
TAKE UP W/ SAND/OTHER N ON-COMBUST ABSORB MATL & PLACE INTO CONTR
(SUPDAT)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:BOND & GROUND CONTRS WHEN TRANSFERRNG
LIQ. KEEP CONR TIGHTLY CLSD. STORE IN A COOL, DRY, WELL VENT, FLAMM
LIQ STORAGE AREAS.
Other Precautions:ISOLATE FROM INCOMPATIBLE MATERIALS. LAB TESTS
RESULTS INDICATE MATERIAL MAY BE TERATOGENIC. KEEP AWAY FROM HEAT,
SPARKS, FLAME. AVOID BREATHING VAPORS. AVOID CONTACT WITH EYES,
SKIN AND CLOTHING.

Respiratory Protection:NIOSH/MSHA APPROVED RESP PROT REQ IF AIRBORNE
CONC EXCEEDS TLV. AT CONC UP TO 1000 PPM, AN NIOSH/MSHA APPROVED
CHEM CARTRIDGE RESP W/ORGANIC VAP CARTRIDGE IS REC. ABOVE THIS
LEVEL, A NIOSH/MSHA APPROV ED SCBA IS REC.
Ventilation:USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV
REQUIREMENTS.
Protective Gloves:BUTYL RUBBER GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:UNIFORM, APRON RECOMMENDED.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
SPILL PROC:FOR LATER DISPOSAL. FLUSH AREA WITH WATER. J.T. BAKER
SOLUSORB SOLVENT ABSORBENT IS RECOMMENDED.

HCC:F2
Boiling Pt:B.P. Text:176F,80C
Melt/Freeze Pt:M.P/F.P Text:-125F,-87C
Vapor Pres:78
Vapor Density:2.5
Spec Gravity:0.81 (H2O =1)
Evaporation Rate & Reference:5.7 (BUTYL ACETATE = 1)
Solubility in Water:APPRECIABLE (>10%)
Appearance and Odor:CLEAR, COLORLESS LIQUID WITH AN ACETONE-LIKE ODOR.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG BASES, CAUSTICS, MINERAL ACIDS, AMINES
& AMMONIA, HALOGENS, PLASTICS, RUBBER.
Stability Condition to Avoid:HEAT, FLAME, OTHER SOURCES OF IGNITION.
Hazardous Decomposition Products:CO, CO2.

Waste Disposal Methods:DISPOSE IN ACCORDANCE WITH ALL APPLICABLE LOCAL,
STATE AND FEDERAL ENVIRONMENTAL REGULATIONS. EPA HAZ WASTE #U159
(TOXIC WASTE).

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