Product ID:METHYL ETHYL KETONE
MSDS Date:07/16/1987
FSC:6810
NIIN:00-264-8983
MSDS Number: BQCRB

UNION CARBIDE CORP INDUSTRIAL CHEMICALS DIV

39 OLD RIDGEBURY ROAD
DANBURY, CT 06817-0001
US

Emergency Phone: 800-822-4357

Info Phone: 800-822-4357

Cage: 61637

UNION CARBIDE CORP

DANBURY, CT 06817-0001 US

Telephone: 800-822-4357/732-563-5522 (MSDS)

Cage: 61637

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

CAS: 78-93-3

RTECS: EL6475000

Fraction By Weight: 100%

OSHA PEL 200 PPM/300 STEL

ACGIH TLV: 200 PPM/300STEL 9192

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE-EYES/SKIN:IRRITATION.
INHALATION:IRRITATION TO THE RESPIRATORY TRACT. INGESTION:
MODERATELY TOXIC. ASPIRATION INTO LUNGS MAY CAUSE CHEMICAL
PNEUMONITIS WHICH CAN BE FATAL. CHRONIC- CNS DEPRESSIO N, NARCOSIS.
Explanation of Carcinogenicity:DATA PER MSDS
Effects of Overexposure:IRRIT OF NOSE, THROAT, EYES. INHALATION:
HEADACHE, NAUSEA, DIZZINESS, AND INCOORDINATION. INGESTION: NAUSEA,
VOMITING AND DIARRHEA.
Medical Cond Aggravated by Exposure:PERSONS WITH A HISTORY OF AILMENTS
OR WITH A PRE-EXISTING DISEASE INVOLVING THE EYES, SKIN, OR
RESPIRATORY TRACT MAY BE AT INCREASED RISK FROM EXPOSURE.

First Aid:INHALATION:REMOVE TO FRESH AIR. RESUSCITATE IF NOT BREATHING.
GET MEDICAL ATTENTION. EYES:IMMEDIATELY FLUSH WITH PLENTY OF WATER
FOR 15 MINUTES HOLDING EYELIDS OPEN. GET MEDICAL ATTENTION.
SKIN:REMOVE CONTAMINATED CLOTHING. WASH WITH SOAP AND WATER. IF
IRRITATION PERSISTS, GET MEDICAL ADVICE. INGESTION:DO NOT INDUCE
VOMITING. GIVE NOTHING BY MOUTH IF UNCONSCIOUS. GET IMMEDIATE
MEDICAL ATTENTION.

Flash Point Method:TCC
Flash Point:21.0F,-6.1C
Lower Limits:1.8
Upper Limits:10
Extinguishing Media:USE WATER FOG, CARBON DIOXIDE, FOAM, OR DRY
CHEMICAL.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:VAPORS MAY TRAVEL A LONG DISTANCE AND MAY
GET IGNITED AT LOCATIONS DISTANT FROM HANDLING POINTS.

Spill Release Procedures:USE PROPER PERSONAL PROTECTION; CONTAIN FREE
MATERIAL IF POSSIBLE; USE SUITABLE INERT ABSORBENT MATERIAL AND
RECOVER FOR PROPER DISPOSAL IN AN APPROVED CONTAINER.
Neutralizing Agent:NOT APPLICABLE.

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL VENTILATED
AREA. KEEP CONTAINERS TIGHTLY CLOSED WHEN NOT IN USE. PROTECT
CONTAINERS FROM PHYSICAL DAMAGE.
Other Precautions:DO NOT TAKE INTERNALLY. DO NOT BREATHE MIST. AVOID
PROLONGED OR REPEATED BREATHING OF VAPOR. AVOID CONTACT WITH EYES.
USE WITH ADEQUATE VENTILATION. WASH THOROUGHLY AFTER HANDLING.

Respiratory Protection:USE NIOSH APPROVED RESPIRATOR AS REQUIRED IF
ABOVE PEL/TLV OR SCBA IN AN ENCLOSED AREA.
Ventilation:LOCAL/GENERAL TO MAINTAIN PEL/TLV.
Protective Gloves:NEOPRENE, NITRILE, OR NATURAL RUBBER
Eye Protection:SAFETY GOGGLES WITH OPTIONAL FACE SHIELD
Other Protective Equipment:EYE WASH STATION AND SAFETY SHOWER,WORK
CLOTHING AND APRON AS REQUIRED.
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. DO NOT WEAR CONTAMINATED CLOTHING OR
FOOTWEAR.
Supplemental Safety and Health
AVOID PROLONGED OR REPEATED EXPOSURE. DO NOT GET ON SKIN OR IN EYES. DO
NOT BREATHE VAPORS OR MISTS.

HCC:F2
Boiling Pt:=79.4C, 175.F
Vapor Pres:71 MMHG
Vapor Density:2.49
Spec Gravity:0.8061
Evaporation Rate & Reference:6.31 (BUTL ACT=1)
Solubility in Water:24% BY WT
Appearance and Odor:CLEAR LIQUID, NON-RESIDUAL ODOR
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
ALKALINE MATERIALS, MINERAL ACIDS, HALOGENS
Stability Condition to Avoid:HIGH TEMP, OPEN FLAMES.
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE AND
OTHER UNIDENTIFIED COMPONENTS.

Waste Disposal Methods:CONSULT LOCAL AUTHORITIES. DISPOSAL MUST BE MADE
IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE AND LOCAL LAWS AND
REGULATIONS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.