Product ID:METHYL ETHYL KETONE
MSDS Date:05/01/1993
FSC:6810
NIIN:00N082158
MSDS Number: CGCJN

GENIUM PUBLISHING CORP

ONE GENIUM PLAZA
SCHENECTADY, NY 12304-4690
US

Emergency Phone: 518-377-8854

Info Phone: 518-377-8854

Cage: 5Z768

GENIUM PUBLISHING CORPORATION

SCHENECTADY, NY 12303-1836 US

Telephone: 518-377-8854

Cage: 5Z768

2-BUTANONE; (METHYL ETHYL KETONE) (SARA 313) (CERCLA)

CAS: 78-93-3

RTECS: EL6475000

Fraction By Weight: 100%

OSHA PEL 200 PPM

ACGIH TLV: 200 PPM/300 STEL

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

& LET FIRE BURN. WITHDRAW IMMEDIATELY IF HEARING

RTECS: 9999999ZZ

DISCOLORATION DUE TO FIRE. DO NOT RELEASE RUNOFF FROM

RTECS: 9999999ZZ

2-PROPANOL (FORMS EXPLO PEROXIDES),

RTECS: 9999999ZZ

COPPER, ISOCYANATES, PYRIDINES, & STRONG OXIDIZERS.

RTECS: 9999999ZZ

CAUSE DEFAT & DERM, APPARENTLY W/OUT IRRIT.

RTECS: 9999999ZZ

NEVER GIVE

RTECS: 9999999ZZ

POIS CTL CTR. UNLESS OTHERWISE ADVISED, HAVE

RTECS: 9999999ZZ

DO NOT INDUCE VOMIT BECAUSE OF POSS ASPIR INTO LUNGS.

RTECS: 9999999ZZ

URINE. THERE IS GOOD CORRELATION BETWEEN URINARY MEK

RTECS: 9999999ZZ

DIKE FAR AHEAD OF LG SPILL FOR RECLAMATION/DISP.

RTECS: 9999999ZZ

BOOMS TO LIMIT SPILL TRAVEL. PVNT ENTRY INTO DEWERS,

RTECS: 9999999ZZ

(29 CFR 1910.120).

RTECS: 9999999ZZ

RECS. FOLLOW APPLIC FEDERAL, STATE, & LOCAL

RTECS: 9999999ZZ

CHEM CARTRIDGE RESP W/FULL FACEPIECE & OVCS. FOR

RTECS: 9999999ZZ

FACEPIECE RESP (GAS MASK) W/CHIN-STYLE, FRON-OR-BACK

RTECS: 9999999ZZ

OPERATIONS (CLEANING SPILLS, REACTOR VESS/STOR

RTECS: 9999999ZZ

AIR PURIFYING RESPS DO NOT PROTECT WORKERS IN

RTECS: 9999999ZZ

MED

RTECS: 9999999ZZ

MONITORING, MAINTENANCE, INSPECTION, CLEANING, &

RTECS: 9999999ZZ

BECAUSE IT PVNTS CONTAMINANT DISPERSION INTO WORK AREA

RTECS: 9999999ZZ

& TEFLON W/BREAKTHROUGH TIMES (BT) OF >8 HR &

RTECS: 9999999ZZ

ARE SUITABLE PPE MATERIALS.

RTECS: 9999999ZZ

EAT, DRINK/SMOKE IN WORK AREAS. PRACTICE GOOD

RTECS: 9999999ZZ

EATING, DRINKING, SMOKING, USING TOILET/APPLYING

RTECS: 9999999ZZ

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:ACUTE: INHAL MAY CAUSE HDCH, DIZZ,
NAUS, VOMIT, WEAK, & UNCON. HIGH CONC CAN CAUSE SMARTING IN ADDN TO
IRRIT OF EYES & RESP TRACT. IN 1 STUDY, EXPOS TO 100 PPM CAUSED
SLIGHT NOSE & THROAT IRRIT, 200 P PM CAUSED MILD EYE IRRIT, & 300
PPM WAS"OBJECTIONABLE" W/HDCH & THROAT IRRIT. IN ANOTHER STUDY,
SHORT (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: EXPOS TO 500 PPM CAUSED NAUS & VOMIT.
ALSO, WORKERS EXPOSED TO 300-600 PPM FOR UNSPECIFIED TIME PERIOD
EXPERIENCED NUMBNESS OF FINGERS & ARMS; 1 WORKER EXPERIENCED LEG
NUMBNESS W/TENDENCY TO "GIVE WAY UNDER HIM. DIRECT EYE CONT CAN
CAUSE PAINFUL IRRIT & CORNEAL INJURY. CHRONIC:RPTD SKIN CONT CAN
(ING 6)
Medical Cond Aggravated by Exposure:DERMATITIS.

First Aid:EYES:DO NOT ALLOW VICTIM TO RUB/KEEP EYES TIGHTLY SHUT.
GENTLY LIFT EYELIDS & FLUSH IMMED & CONTINUOUSLY W/FLOODING AMTS OF
WATER FOR @ LST 15 MINS & UNTIL TRANSPORTED TO EMER MED FACILITY.
CONSULT PH YS IMMED. SKIN:QUICKLY REMOVE CONTAMD CLTHG. RINSE
W/FLOODING AMTS OF WATER FOR @ LST 15 MINS. WASH EXPOSED AREA
W/SOAP & WATER. INHAL:REMOVE TO FRESH AIR, ADMIN 100% HUMIDIFIED
SUPP OXYG (ING 7)

Flash Point:16.0F,-8.9C
Lower Limits:1.4%
Upper Limits:11.4%
Extinguishing Media:CLASS 1B FLAMM LIQ. FOR SM FIRES, USE DRY CHEM,
CO*2, WATER SPARY/ALCOHOL-RESIST FOAM. FOR LG FIRES, USE WATER,
(SUPDAT)
Fire Fighting Procedures:NIOSH APPRVD SCBA & FULL PROT EQUIP . IF POSS
W/OUT RISK, MOVE CNTNR FROM FIRE AREA. APPLY COOLING WATER TO CNTNR
SIDES UNTIL WELL AFTER FIRE IS (SUPDAT)
Unusual Fire/Explosion Hazard:VAPORS MAY TRAVEL TO IGNITION SOURCE &
FLASH BACK. CNTNR MAY EXPLODE IN FIRE. BURNING RATE = 4.1 MM/MIN.

Spill Release Procedures:NOTIFY SFTY PERS, ISOLATE & VENTILATE AREA,
DENY ENTRY, & STAY UPWIND. SHUT OFF IGNIT SOURCES. CLEANUP PERS
SHOULD PROTECT AGAINST EXPOS. TAKE UP SM SPILLS W/EARTH, SAND,
VERMICULITE/OTHER ABSORB, NON COMBUST MATL & PLACE IN SUITABLE
CNTNRS. (ING 11)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:PRVNT PHYSICAL DAMAGE TO CNTNRS. STORE
IN COOL, DRY, WELL-VENTILATED AREA AWAY FROM HEAT, INCOMPATIBLES
(SEC 5). PERIODICALLY CHECK CNTNRS FOR LEAKS.
Other Precautions:TO REDUCE POTNTL HLTH HAZS, USE SUFFICIENT
DILUTION/LOC EXHAUST VENT TO CTL AIRBORNE CONTAMINANTS & TO
MAINTAIN CONCS @ LOWEST PRACTICAL LEVEL. TO PVNT STATIC SPKS, ELEC
GROUND & BOND ALL EQUIP USED W ITH MEK.

Respiratory Protection:SEEK PROFESSIONAL ADVICE PRIOR TO RESP SELECTION
& USE. FOLLOW OSHA RESP REGS (29 CFR 1910.134) &, IF NEC, WEAR
NIOSH APPRVD RESP. FOR <1000 PPM, USE ANY NIOSH APPRVD POWDERED
AIR-PURIFYING RESP W/ORG VAP CARTRIDGES (OVCS)/ANY NIOSH(ING 15)
Ventilation:PROVIDE GEN & LOC EXHAUST VENT SYS TO MAINTAIN AIRBORNE
CONCS BELOW OSHA PEL (SEC 2). LOC EXHAUST VENT IS PREF (ING 21)
Protective Gloves:CHEMICALLY PROT. BUTYL RUBB (ING 22)
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER .
BOOTS, APRONS, & GAUNTLETS TO PVNT SKIN CONTACT.
Work Hygienic Practices:SEPARATE CONTAMD CLTHG WORK & STREET CLOTHES &
LAUNDER BEFORE REUSE. REMOVE MEK FROM SHOES & CLEAN PPE. NEVER (ING
24)
Supplemental Safety and Health
SATURATED VAP DENS:0.085 OR 1.368. SOL IN H*20:MEK IN WATER =28%; WATER
IN MEK = 12.5%. APPEAR/ODOR:THE ODOR THRESHOLD IS 25 PPM. EXTING
MEDIA:FOG/ALCOHOL-RESIST FOAM. FIRE FIGHT PROC:OUT. STAY AWAY F ROM
ENDS OF TANKS. FOR MASSIVE FIRE IN CARGO AREA, USE MONITOR
NOZZ/UNMANNED HOSE HOLDERS; IF POSS, W/DRAW(ING 2)

Boiling Pt:B.P. Text:176F,80C
Melt/Freeze Pt:M.P/F.P Text:-123F,-86C
Vapor Pres:71.2 @ 20C
Vapor Density:SUPDAT
Spec Gravity:0.8045
Evaporation Rate & Reference:2.7 (ETHER =1)
Solubility in Water:SUPP DATA
Appearance and Odor:COLORLESS, VOLATILE, LIQUID WITH A SWEET MINT OR
ACETONE-LIKE ODOR. (SUPDAT)

Stability Indicator/Materials to Avoid:YES
INCL CHLOROSULFONIC ACID, OLEUM (FUMING SULFURIC ACID),
POTASSIUM-T-BUTOXIDE, HYDROGEN PEROXIDE + NITRIC ACID, (ING 4)
Stability Condition to Avoid:EXPOSURE TO HEAT, IGNITION SOURCES, AND
INCOMPATIBLES.
Hazardous Decomposition Products:THERMAL OXIDATIVE DECOMPOSITION OF MEK
CAN PRODUCE CARBON DIOXIDE GAS AND ACRID SMOKE.

Waste Disposal Methods:INCIN IS POSS IN PERMIT-APPRVD FACILITIES. STEAM
STRIPPING CAN BE USED TO REMOVE MEK FROM AQUEOUS WASTE. CONCS UP TO
SEV WT % SOLVENT IN WATER CAN BE HNDLD W/BETTER THAN 99% REMOVAL
EXPECTED. CONT SUP PLIER/LICENSED CONTRACTOR FOR DETAILED (ING 14)

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.