Product ID:M5000/M5001/M5005 2-BUTANONE; METHYL ETHYL KETONE
MSDS Date:11/13/1985
FSC:6850
NIIN:00F034387
MSDS Number: BTNMC

CHEMICAL SPOORS, INC.

PROSPECT HEIGHTS, IL 60070
US

Emergency Phone: 800-424-9300/312-364-0150

Info Phone: 800-424-9300/312-364-0150

Cage: CSPOO

CHEMICAL SPOORS, INC.

313 PROSPECT HEIGHTS, IL 60070 US

Telephone: 800-424-9300/312-364-0150

Cage: CSPOO

2-BUTANONE (METHYL ETHYL KETONE) (MEK)

CAS: 78-93-3

RTECS: EL6475000

Fraction By Weight: 100%

OSHA PEL 200 PPM

ACGIH TLV: 590 MG/CUM

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SKIN: PROLONGED/REPEATED CONTACT CAN
CAUSE DERMATOSES & DERMATITIS. EYES: TRANSIENT CORNEAL INJURY,
VAPORS ARE IRRITATING. INHALATION: RESPIRATORY TRACT IRRITATION.
INGESTION: GI IRRITANT.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:DRYING, IRRITATION, NAUSEA, NARCOSIS

First Aid:SKIN: WASH AFFECTED AREA W/SOAP & WARM WATER. EYES: FLUSH
W/WATER FOR 15 MINS. INHALATION: REMOVE FROM CONTAMINATED AREA,
GIVE CPR IF NECESSARY. INGESTION: NEVER GIVE AN UNCONSCIOUS PERSON
ANYTHING BY MOUTH. GIVE WATER, INDUCE VOMITING, KEEP VICTIM'S HEAD
BELOW KNEES. OBTAIN MEDICAL ATTENTION IN ALL CASES.

Flash Point Method:CC
Flash Point:20F
Lower Limits:1.8
Upper Limits:10
Extinguishing Media:CO2, DRY CHEMICAL FOR SMALL FIRES, ALCOHOL FOAM FOR
LARGE FIRES.
Fire Fighting Procedures:CLOSE/CONFINED QUARTERS REQUIRE SELF-CONTAINED
BREATHING APPARATUS, POSITIVE PRESSURE HOSE MASKS/AIRLINE MASKS.
Unusual Fire/Explosion Hazard:VAPORS HEAVIER THAN AIR. MAY CONCENTRATE
& MOVE ALONG FLOOR TO REMOTE IGNITION POINT.

Spill Release Procedures:ELIMINATE IGNITION SOURCE. CONTAIN FOR
SALVAGE/DISPOSAL. USE OF ANY DILUTION WATER SHOULD BE CLOSELY
CONTROLLED. KEEP OUT OF WATERWAYS WHERE THERE IS DANGER OF VAPORS
BEING IGNITED. MUST NOT ENTER NAT URAL WATERWAYS. ADVISE
AUTHORITIES.

Handling and Storage Precautions:KEEP AWAY FROM HEAT, SPARKS & OPEN
FLAME. AVOID BREATHING OF VAPORS & SKIN CONTACT. RECOMMEND THAT
PRODUCT NOT BE USED W/METHYL NORMAL BUTYL KETONE.
Other Precautions:AVOID COPPER (POSSIBLE PRESENCE OF ACETYLENE).

Respiratory Protection:IF TLV EXCEEDED, USE NIOSH APPROVED ORGANIC
VAPOR CARTRIDGE.
Ventilation:LOCAL EXHAUST
Protective Gloves:NEOPRENE/RUBBER
Eye Protection:CHEMICAL SAFETY GOGGLES
Other Protective Equipment:IMPERVIOUS APRON & SLEEVES, EYE BATH, SAFETY
SHOWER
Work Hygienic Practices:REMOVE & LAUNDER CONTAMINATED CLOTHING BEFORE
REUSE.
Supplemental Safety and Health
MATERIALS TO AVOID CONT'D: CHLORINATED HYDROCARBONS IN THE PRESENCE OF
ALKALIES, METHYL NORMAL BUTYL KETONE, COPPER

Boiling Pt:B.P. Text:174.6F
Vapor Pres:78
Vapor Density:2.5
Spec Gravity:0.8064
Evaporation Rate & Reference:(BU AC = 1): 5.7
Solubility in Water:APPRECIABLE
Appearance and Odor:COLORLESS LIQUID W/ACETONE-LIKE ODOR.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
ALKANOLAMINE, AMINES, PYRIDINES, AMMONIA, CAUSTICS, INORGANIC ACIDS,
ISOCYANATES, STRONG OXIDIZING AGENTS, (SEE SUPP)
Stability Condition to Avoid:HEAT, SPARKS, OPEN FLAME
Hazardous Decomposition Products:CO2, CO.

Waste Disposal Methods:CHEMICAL INCINERATOR, BIOLOGICAL SYSTEM &
LANDFILL IN ACCORDANCE W/FEDERAL, STATE, LOCAL 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.