Product ID:BX1670/BX1673/MX1034 METHYL ETHYL KETONE
MSDS Date:03/01/1991
FSC:6810
NIIN:00F036345
MSDS Number: BVRPB

E M SCIENCE DIV OF E M IND INC

480 DEMOCRAT RD
GIBBSTOWN, NJ 08027
US

Emergency Phone: 609-354-9200

Info Phone: 513-631-0445/609-354-9200

Cage: 63612

E M SCIENCE DIV OF E M INDUSTRIES INC

70 GIBBSTOWN, NJ 08027 US

Telephone: 800-222-0342/609-423-6300

Cage: 63612

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

LD50 LC50 Mixture:ORAL LD50(RAT): 2737 MG/KG
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:VAPOR IS IRRITATING TO EYES &
RESPIRATORY PASSAGES. LIQUID IS IRRITATING TO EYES; MAY CAUSE
BURNS. PROLONGED/REPEATED SKIN CONTACT MAY CAUSE IRRITATION.
INHALATION OF HIGH CONCENTRATIONS MAY CAUSE HEA DACHE, DIZZINESS,
NAUSEA, NARCOSIS, LUNG DAMAGE. PROLONGED EXPOSURE MAY PRODUCE CNS
DEPRESSION & NARCOSIS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, BURNS, HEADACHE, DIZZINESS, NAUSEA,
NARCOSIS.
Medical Cond Aggravated by Exposure:RESPIRATORY CONDITIONS.

First Aid:SKIN: WASH THOROUGHLY W/SOAP & WATER. EYES: FLUSH THOROUGHLY
W/WATER FOR AT LEAST 15 MINS. INHALATION: REMOVE TO FRESH AIR. GIVE
CPR IF BREATHING HAS STOPPED. INGESTION: DON'T INDUCE VOMITING.
OBTAIN MEDICAL ATTENTION IN ALL CASES.

Flash Point Method:TCC
Flash Point:21F
Lower Limits:1.8
Upper Limits:11.5
Extinguishing Media:WATER SPRAY, ALCOHOL FOAM, DRY CHEMICAL, CO2
Fire Fighting Procedures:WEAR SCBA.
Unusual Fire/Explosion Hazard:VAPOR CAN TRAVEL DISTANCES TO IGNITION
SOURCE & FLASH BACK. FLAMMABLE LIQUID & VAPOR.

Spill Release Procedures:EVACUATE AREA. WEAR SUITABLE PROTECTIVE
EQIPMENT. ELIMINATE ANY IGNITION SOURCES. CONTAIN THE RELEASE &
ELIMINATE IT'S SOURCE IF IT CANBE DONE W/O RISK. TAKE UP &
CONTAINERIZE FOR PROPER DISPOSAL.

Handling and Storage Precautions:KEEP CONTAINERS TIGHTLY CLOSED. STORE
IN A COOL AREA AWAY FROM IGNITION SOURCES & OXIDIZERS. ELECTRICALLY
GROUND ALL EQUIPMENT WHEN HANDLING.
Other Precautions:RETAINED RESIDUE MAY MAKE EMPTY CONTAINERS HAZARDOUS.
DON'T BREATHE VAPOR. DON'T GET IN EYES, ON SKIN/CLOTHING.
TRANSFER/HANDLE IN APPROVED FUME HOOD/W/ADEQUATE VENTILATION. DON'T
INGEST.

Ventilation:FUME HOOD
Protective Gloves:BUTYL RUBBER, POLYURETHANE
Eye Protection:SAFETY GLASSES W/SIDE SHIELDS
Other Protective Equipment:EYE WASH & SAFETY EQUIPMENT
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

Boiling Pt:B.P. Text:176F
Melt/Freeze Pt:M.P/F.P Text:-122.8F
Vapor Pres:75
Vapor Density:2.5
Spec Gravity:0.805
Evaporation Rate & Reference:(BU AC=1): 3.8
Solubility in Water:27%
Appearance and Odor:COLORLESS LIQUID W/SHARP, MINT-LIKE ODOR.
Percent Volatiles by Volume:99

Stability Indicator/Materials to Avoid:YES
ACIDS, BASES, OXIDIZERS
Stability Condition to Avoid:HEAT, IGNITION SOURCES
Hazardous Decomposition Products:OXIDES OF CARBON

Waste Disposal Methods:DISPOSE OF IAW/LOCAL, STATE & FEDERAL
REGULATIONS. EPA WASTE #'S: U159, DOO1/DO33. EM SCIENCE RECOMMENDS
SPILL-X ABSORBENT AGENTS FOR VARIOUS TYPES OF SPILLS. SX0863
SOLVENT SPILL TREATMENT KIT IS REC OMMENDED FOR THIS PRODUCT.

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This information is formulated for use by elements of the Department
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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.