Product ID:CHROMABASE, 7160S
MSDS Date:01/01/1987
FSC:8010
NIIN:00N015237
MSDS Number: BKPYJ

E. I. DUPONT DE NEMOURS & CO INC

1007 MARKET STREET
WILMINGTON, DE 19898
US

Emergency Phone: 800-441-3637

Info Phone: 800-441-7515

Cage: 73925

E.I. DUPONT DE NEMOURS & CO

WILMINGTON, DE 19898 US

Telephone: 800-441-7515;800-441-9442

Cage: 18873

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

CAS: 78-93-3

RTECS: EL6475000

Fraction By Weight: 51%

OSHA PEL 200 PPM/300 STEL

ACGIH TLV: 200 PPM/300STEL 9192

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

TOLUENE (SARA III)

CAS: 108-88-3

RTECS: XS5250000

Fraction By Weight: 25 - 30%

OSHA PEL 200 PPM/150 STEL

ACGIH TLV: 50 PPM; 9293

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

3.4 @ 20C.

BEEN DEMONSTRATED TO CAUSE PERIPHERAL

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:GENL EFTS: INGEST: GI DISTRESS. INHAL:
MAY CAUSE NOSE & THROAT IRRIT. RPTD/PRLNG OVEREXP TO SOLV MAY LEAD
TO PERM BRAIN & NERV SYS DMG. EYE WATERING, HDCH, NAUS, DIZZ & LOSS
OF COORD ARE SIGNS THAT SO LV LEVELS ARE TOO HIGH. SKIN/EYE: MAY
CAUSE IRRIT OR BURNING OF THE EYES. RPTD/PRLNG LIQ CNTCT MAY (SEE
EFTS OF OVEREXP)
Explanation of Carcinogenicity:NONE SPECIFIED BY MANUFACTURER.
Effects of Overexposure:HLTH HAZ: CAUSE SKIN IRRIT W/DISCOMFORT & DERM.
SPEC EFTS: TOLUENE: RECURRENT OVEREXP MAY RSLT IN LIVER/KIDNEY
INJURY. HIGH AIRBORNE LEVELS HAVE PRODUCED IRREG HEART BEATS IN
ANIMALS & OCCASNL PALPITA TIONS IN HUMANS. RATS EXPOSED TO VERY
HIGH AIRBORNE LEVELS HAVE EXHIBITED HIGH FREQ HEARING DEFICITS.
(SEE SUPP DATA)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INGEST: IN THE UNLIKELY EVENT OF INGESTION, CALL MD
IMMEDIATELY AND HAVE NAMES OF INGREDIENTS AVAILABLE. INHAL: IF
AFFECTED BY INHALATION OF VAPOR OR SPRAY MIST, REMOVE TO FRESH AIR.
IF BREATHING DIFF ICULTY PERSISTS, OR OCCURS LATER, CONSULT MD.
EYE: IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR AT LEAST 15
MINUTES, CALL MD. SKIN: WASH WITH SOAP AND WATER IF IRRITATION
OCCURS, CONTACT MD.

Flash Point Method:CC
Flash Point:20.0F,-6.7C
Lower Limits:0.9%
Upper Limits:13%
Extinguishing Media:WATER SPRAY, FOAM, CO*2, DRY CHEMICAL.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT . WATER FROM FOG NOZZLES MAY BE USED TO COOL
CLOSED CONTAINERS TO PREVENT PRESSURE BUILD UP.
Unusual Fire/Explosion Hazard:WHEN HEATED ABOVE THE FLASH POINT, EMITS
FLAMM VAPORS WHICH, WHEN MIXED W/AIR, CAN BURN/BE EXPLO. FINE
MISTS/SPRAYS MAY BE FLAMM AT TEMPS BELOW THE FLASH POINT.

Spill Release Procedures:VENTILATE AREA. REMOVE SOURCES OF IGNITION.
PREVENT SKIN CONTACT AND BREATHING OF VAPOR. WEAR A PROPERLY FITTED
VAPOR/PARTICULATE RESPIRATOR (NIOSH/MSHA TC-23C). CONFINE AND
REMOVE WITH INERT ABSORBEN T.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:OBSERVE LABEL PREC. KEEP AWAY FROM
HEAT, SPARKS AND FLAME. CLOSE CONTAINER AFTER EACH USE. GROUND
CONTAINERS WHEN POURING. DO NOT STORE ABOVE 120F.
Other Precautions:DO NOT BREATHE VAPOR OR MIST.

Respiratory Protection:WEAR PROPERLY FITTED VAPOR/PARTICULATE RESP
APPRVD BY NIOSH/MSHA (TC-23C) FOR USE W/PAINTS DURING APPLICATN &
UNTIL ALL VAPS/SPRAY MISTS ARE EXHSTD. FOLLOW RESP MFR'S DIRECTIONS
FOR RESP USE; DO NOT P ERMIT ANYONE W/O PROT IN THE PAINT AREA.
Ventilation:PROVIDE SUFFICIENT VENTILATION IN VOLUME AND PATTERN TO
KEEP CONTAMINANTS BELOW APPLICABLE OSHA REQUIREMENTS.
Protective Gloves:NEOPRENE GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:COVERALLS.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING AND BEFORE
EATING OR SMOKING.
Supplemental Safety and Health
EFTS OF OVEREXP: THE SIGNIFICANCE OF THIS TO MAN IS UNKNOWN. METHYL
ETHYL KETONE: HIGH CONC HAVE CAUSED EMBRYOTOXIC EFTS IN LAB
ANIMALS. MEK HAS BEEN DEMOED TO POTENTIATE (I.E. SHORTEN THE TIME
OF ONS ET) THE PERIPHERAL NEUOROPATHY CAUSED BY EITHER N-HEXANE OR
METHYL N-BUTYL KETONE. MEK BY ITSELF HAS NOT (SEE INGRED 04)

HCC:F3
Boiling Pt:B.P. Text:129F,54C
Vapor Pres:SEE INGRED
Vapor Density:> AIR
Evaporation Rate & Reference:SLOWER THAN ETHER
Solubility in Water:MISCIBLE
Appearance and Odor:NONE SPECIFIED BY MANUFACTURER.
Percent Volatiles by Volume:99.8

Stability Indicator/Materials to Avoid:YES
NONE REASONABLY FORESEEABLE.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:CO, CO*2, SMOKE.

Waste Disposal Methods:DO NOT ALLOW MATERIAL TO CONTAMINATE GROUND
WATER SYSTEMS. INCINERATE ABSORBED MATERIAL IN ACCORDANCE WITH
FEDERAL, STATE AND LOCAL REQUIREMENTS. DO NOT INCINERATE IN CLOSED
CONTAINERS.

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particular situation.