Product ID:METHYL ETHYL KETONE
MSDS Date:07/13/1987
FSC:6810
NIIN:00-281-2762
MSDS Number: BQCRJ

MALLINCKRODT INC SCIENCE PRODUCTS DIVISION

PARIS BYPASS
PARIS, KY 40361
US

Emergency Phone: 314-982-5000

Info Phone: 606-987-7000

Cage: 62910

MALLINCKRODT SPECIALTY CHEMICALS CO

PHILLIPSBURG, NJ 08865 US

Telephone: 908-859-2151

Cage: 62910

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

CAS: 78-93-3

RTECS: EL6475000

OSHA PEL 200 PPM/300 STEL

ACGIH TLV: 200 PPM/300STEL 9293

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 2737 MG/KG.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:UNKNOWN IARC:UNKNOWN OSHA:NO
Health Hazards Acute and Chronic:EYE CONTACT: VAPORS ARE IRRITATING TO
THE EYES. SPLASHES MAY PRODUCE PAINFUL IRRITATION AND EYE DAMAGE.
SKIN CONTACT: MAY CAUSE IRRITATION WITH SKIN DISCOLORATION.
INHALATION: MAY CAUSE IRRITATION TO THE NOSE AND THROAT; HEADACHE;
DIZZINESS; SHORTNESS OF BREATH. INGESTION: MAY CAUSE IRRITATION TO
THE DIGESTIVE TRACT.
Explanation of Carcinogenicity:NO STATEMENT MADE BY THE MANUFACTURER.
Effects of Overexposure:EYES: IRRITATION, REDNESS, BLURRED VISION.
SKIN: IRRITATION. INHALATION: RESPIRATORY TRACT IRRITATION,
HEADACHE, DIZZINESS, TEMPORARY CNS IMPAIRMENT. INGESTION: MAY CAUSE
NAUSEA, VOMITING, GI IRRITATI ON, AND DIARRHEA. LARGER DOSES MAY
CAUSENARCOSIS. CHRONIC EXPOSURE: PROLONGED SKIN CONTACT MAY DEFAT
SKIN.
Medical Cond Aggravated by Exposure:PERSONS WITH A PRE-EXISTING DISEASE
INVOLVING THE EYES, SKIN OR RESPIRATORY TRACT MAY BE AT INCREASED
RISK FROM EXPOSURE.

First Aid:EYES: FLUSH WITH LARGE AMOUNT OF WATER. GET MEDICAL
ATTENTION. SKIN: REMOVE CONTAMINATED CLOTHING. WASH AREA WITH SOAP
AND WATER. GET MEDICAL ATTENTION IF IRRITATION PERSISTS.
INHALATION: REMOVE TO FR ESH AIR. IF NOT BREATHING GIVE CPR.
GETMEDICAL ATTENTION. INGESTION: INDUCE VOMITING IMMEDIATELY BY
GIVING TWO GLASSES OF WATER AND STICKING FINGER DOWN THROAT. GET
MEDICAL ATTENTION.

Flash Point Method:CC
Flash Point:21.0F,-6.1C
Autoignition Temp:Autoignition Temp Text:961F
Lower Limits:1.8
Upper Limits:11.5
Extinguishing Media:DRY CHEMICAL, FOAM OR CARBON DIOXIDE. WATER SPRAY
MAY BE USED TO KEEP FIRE EXPOSED CONTAINERS COOL.
Fire Fighting Procedures:THIS FLAMMABLE LIQUID MUST BE KEPT FROM ALL
SOURCES OF IGNITION. VAPORS CAN FLOW ALONG SURFACES TO DISTANT
IGNITION SOURCE AND FLASH BACK.
Unusual Fire/Explosion Hazard:"EMPTY" CONTAINERS RETAIN PRODUCT RESIDUE
AND CAN BE DANGEROUS. DO NOT CUT, WELD, BRAZE, SOLDER, DRILL, GRIND
OR EXPOSE SUCH CONTAINERS TO SOURCES OF IGNITION.

Spill Release Procedures:VENTILATE AREA OF LEAK OR SPILL. REMOVE ALL
SOURCES OF IGNITION. USE NON-SPARKING TOOLS AND EQUIPMENT. ABSORB
WITH VERMICULITE, DRY SAND, EARTH OR SIMILAR MATERIAL FOR DISPOSAL
AS HAZARDOUS WASTE. DO NOT FLUSH TO SEWER. WEAR PROTECTIVE
CLOTHING.

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL-VENTILATED
AREA. KEEP CONTAINERS TIGHTLY CLOSED. PROTECT AGAINST PHYSICAL
DAMAGE. OUTSIDE OR DETACHED STORAGE PREFERRED.
Other Precautions:BOND AND GROUND THE CONTAINERS PROPERLY WHEN
TRANSFERRING THE LIQUID FROM ONE CONTAINER TO ANOTHER. EMPTY
CONTAINERS OF THIS MATERIAL ARE HAZARDOUS SINCE THEY RETAIN
VOLATILE LIQUID THAT CAN IGNITE. D O NOT CUT,WELD OR HEAT EMPTY
CONTAINERS.

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR IF THE TLV IS
EXCEEDED.
Ventilation:LOCAL AND MECHANICAL EXHAUST VENTILATION RECOMMENDED. USE
EXPLOSION-PROOF VENTILATION EQUIPMENT.
Protective Gloves:RUBBER,BUTYL, OR PVA GLOVES.
Eye Protection:CHEMICAL SAFETY GOGGLES AND FACESHIELD
Other Protective Equipment:WEAR LONG SLEEVE AND IMPERVIOUS CLOTHING.
HAVE EYE WASH STATION AND SAFETY SHOWER AVAILABLE.
Work Hygienic Practices:WASH AFTER HANDLING AND BEFORE EATING,
DRINKING, OR SMOKING. LAUNDER CONTAMINATED CLOTHING BEFORE REUSE.
Supplemental Safety and Health
PRECAUTIONARY MEASURES: WARNING! FLAMMABLE LIQUID, HARMFUL IF SWALLOWED
OR INHALED. AFFECTS CENTRAL NREVOUS SYSTEM. CAUSES EYE IRRITATION.
KEEP AWAY FROM HEAT, SPARKS AND FLAME.

HCC:F2
Boiling Pt:B.P. Text:176F,80C
Melt/Freeze Pt:M.P/F.P Text:-123F,-86C
Vapor Pres:100 @ 77F
Vapor Density:2.5(AIR=1)
Spec Gravity:0.805
Evaporation Rate & Reference:2.7 (ETHER=1)
Solubility in Water:APPRECIABLE
Appearance and Odor:CLEAR COLORLESS LIQUID, SHARP MINT-LIKE ODOR.

Stability Indicator/Materials to Avoid:YES
OXIDIZING MATERIALS, CHLOROFORM, CHLOROSULFONIC ACID, OLEUM, HYDROGEN
PEROXIDE, NITRIC ACID.
Stability Condition to Avoid:HIGH TEMPERATURES, SPARKS, OPEN FLAMES AND
OTHER SOURCES OF IGNITION.
Hazardous Decomposition Products:CARBON MONOXIDE AND CARBON DIOXIDE MAY
FORM WHEN HEATED TO DECOMPOSITION.

Waste Disposal Methods:CONTACT YOUR LOCAL ENVIRONMENTAL OFFICER. DIPOSE
OF WASTE IN ACCORDANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS.
THE REPORTABLE QUANTITY OF THIS PRODUCT IS 5000 POUNDS.

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.