Product ID:C 111
MSDS Date:04/26/1996
FSC:1660
NIIN:00-822-3181
Status Code:A
MSDS Number: CJDTC

Emergency Phone: 213-770-0591

Info Phone: 213-770-0591

Preparer: D. MARTINSON

Cage: 25670

Telephone: 213-770-0591/800-4249300

Cage: 25670

METHYL ETHYL KETONE

CAS: 78-93-3

RTECS: EL6475000

OSHA PEL 590 MG/M3;200 PPM

ACGIH TLV: 590 MG/M3;200 PPM

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

LD50 LC50 Mixture:TLV 200 PPM
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS: EYE, SKIN, CENTAL
NERVOUS SYSTEM, RESPIRATORY AND GASTROINTESTINAL TRACTS. ACUTE AND
CHRONIC - EYE CONTACT MAY CAUSE IRRITATION AND BURNING SENSATION.
LIQUID CONTACT WILL DRY THE SKIN. PROLONGED OR REPEATED SKIN
CONTACT WITH LIQUID CAN RESULT IN DEFATTING AND DRYING OF THE SKIN
WHICH MAY RESULT IN SKIN IRRITATION AND DERMATITIS. INHALATION OF
VAPORS MAY CAUSE IRRITATION TO THE NOSE, THROAT AND RESPIRATORY
TRACT. HIGH VAPOR CONCENTRATIONS MAY CAUSE CENTRAL NERVOUS SYSTEM
(CNS) DEPRESSION. MAY BE HARMFUL IF SWALLOWED. MAY PRODUCE CNS
DEPRESSION. ASPIRATION HAZARD.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, HEADACHE, DIZZINESS, NAUSEA,
VOMITING, DROWSINESS, COMA, EYE REDNESS, TEARNING, BLURRED VISION,
SKIN CRACKING, DEFATTING, DRYING, DERMATITIS, UNCONSCIOUSNESS,
GENERAL WEAKNESS, PULMONARY E DEMA, EXCITMENT, FATIGUE, DIARRHEA
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
DISORDERS, EYE PROBLEMS OR IMPAIRED CENTRAL NERVOUS SYSTEM, OR
RESPIRATORY FUNCTION MAY BE MORE SUSCEPTIBLE TO THE EFFECTS OF THIS
PRODUCT.

First Aid:GET MEDICAL HELP IF SYMPTOMS PERSIST. INHALATION: REMOVE TO
FRESH AIR. GIVE ARTIFICAL RESPIRATION IF NOT BREATHING. IF
BREATHING IS DIFFICULT, OXYGEN MAY BE GIVEN BY QUALIFIED PERSONNEL.
EYE CONTACT: IMMEDIATELY FLUSH WITH WATER FOR AT LEAST 15 MINUTES.
HOLD EYELIDS OPEN. SKIN: WASH WITH SOAP AND PLENTY OF WATER FOR AT
LEAST 15 MINUTES. INGESTION: DO NOT INDUCE VOMITING. SEEK IMMEDIATE
MEDICAL ATT ENTION. IF VOMITING OCCURS, KEEP HEAD BELOW HIPS. DO
NOT GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON.

Flash Point Method:TCC
Flash Point:=-5.C, 23.F
Lower Limits:2.0%
Upper Limits:11.4%
Extinguishing Media:FOAM, ALCOHOL, C02, DRY CHEMICAL
Fire Fighting Procedures:NIOSH-APPROVED SELF CONTAINED BREATHING
APPARATUS IS REQUIRED FOR FIRES IN ENCLOSED AREAS.
Unusual Fire/Explosion Hazard:VOLATILE SOLVENT CONSTITUENT CAN READILY
FORM EXPLOSIVE OR FLAMMABLE MIXTURES IN AIR. VAPORS CAN FLOW ALONG
SURFACES TO DISTANT FOURCES AND FLASH BACK.

Spill Release Procedures:WEAR PROTECTIVE EQUIPMENT. ELIMINATE SOURCES
OF IGNITION. VENTILATE AREA. DO NOT WALK THROUGH SPILL; STOP SPILL
IF POSSIBLE. USE A VAPOR SUPPRESSING FOAM TO REDUCE VAPORS. CONTAIN
AND PICK UP WITH NON -FLAMMABLE ABSORBENT SUCH AS SAND,
VERMICULITE. GROUND ALL HANDLING EQUIPMENTS. PREVENT LIQUID FROM
ENTERING SEWERS, WATERWAYS, CONFINED SPACES.

Handling and Storage Precautions:STORE IN WELL VENTILATED AREA. STORE
IN COOL PLACE. KEEP CONTAINER TIGHTLY CLOSED. STORE IN ACCORDANCE
WITH NATIONAL FIRE PROTECTION ASSOCIATION REGULATIONS. KEEP AWAY
FROM DIRECT SUNLIGHT, IGNITION S OURCES, AND INCOMPATIBLE
MATERIALS. USE ONLY NON-SPARKING TOOLS
Other Precautions:FLAMMABLE. EMPTY CONTAINERS RETAIN PRODUCT RESIDUES
(VAPORS, LIQUID, AND/OR SOLID) AND CAN BE DANGEROUS. DO NOT
PRESSURIZE, CUT, WELD, BRAZE, SOLDER OR DRILL. KEEP OUT OF REACH OF
CHILDREN. AVOID BREA THING VAPORS. DO NOT GET IN EYE, ON SKIN OR ON
CLOTHING. VAPOR CAN COLLECT IN FLOOR, DRAINS OR LOW A REAS.

Respiratory Protection:IN RESTRICTED OR NON-VENTILATED AREAS WHERE
VAPOR EXPOSURE MAY BE ENCOUNTERED, USE RESPIRATOR WITH ORGANIC
SOLVENT VAPOR ADSORBING FILTER OR INDEPENTEND AIR SUPPLY.
Ventilation:MECHANICAL VENTILATION AND/OR LOCAL EXHAUST, SUFFICIENT IN
PATTERN AND VOLUME, TO MEET TLV REQUIREMENTS AND PREVENT EXPLOSIVE
CONCENTRATON OF SOLVENT VAPORS.
Protective Gloves:USE POLYETHYLENE OR NATURAL RUBBER GLOVES IF FREQUENT
SKIN CONTACT IS LIKELY
Eye Protection:SAFETY GLASSES WITH SPLASH GUARDS OR SIDE SHIELDS
RECOMMENDED.
Other Protective Equipment:EYE WASH FOUNTAIN OR BOTTLES. SOLVENT
INSOLUBLE BARRIER HAND CREAM.
Work Hygienic Practices:DO NOT USE CONTACT LENSES. WASH CONTAIMINATED
CLOTHING BEFORE REUSE.
Supplemental Safety and Health
NONE LISTED.

Boiling Pt:=79.4C, 175.F
Vapor Density:> AIR
Spec Gravity:0.9(H20=1)
Evaporation Rate & Reference:SLOWER THAN ETHER
Solubility in Water:NIL
Appearance and Odor:MEDIUM VISCOSITY BROWN LIQUID

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS
Stability Condition to Avoid:EXCESSIVE HEAT, POOR VENTILATION, SPARKS,
OPEN FLAMES, HOT SURFACES, STATIC ELECTRICITY AND OTHER SOURCES OF
IGNITION
Hazardous Decomposition Products:MAY FORM CARBON MONOXIDE, CARBON
DIOXIDE, NITROGEN OXIDES, PHENOLS, AND HYDROGEN CYANIDE.

Waste Disposal Methods:DISPOSE OF WASTE IN ACCORDANCE WITH LOCAL,
STATE, AND FEDERAL LAWS AND REGULATIONS. SOLID INGREDIENTS ARE NOT
CONSIDERED HAZARDOUS.

SARA Title III Information:MEK IS SUBJECT TO REPORTING REQUIREMENTS OF
SECTION 313 OF SARA TITLE III AND OF 40 CFR PART 372.
State Regulatory Information:THIS PRODUCT MAY CONTAIN CHEMICALS KNOWN
TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND/OR BIRTH DEFECTS OR
OTHER REPRODUCTIVE HARM.

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.