Product ID:METHYL ETHYL KETONE
MSDS Date:09/17/1986
FSC:6810
NIIN:00-264-8983
MSDS Number: BPZRL

CSD INC.

5 HACKBERRY LANE
CONROE, TX 77305
US

Emergency Phone: 409-756-1065

Info Phone: 409-756-1065

Cage: JO933

CSD INC.

687 CONROE, TX 77305 US

Telephone: 409-756-1065

Cage: JO933

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

CAS: 78-93-3

RTECS: EL6475000

Fraction By Weight: 99.0%

OSHA PEL 200 PPM/300 STEL

ACGIH TLV: 200 PPM/300STEL 9192

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

LD50 LC50 Mixture:LD50 (ORAL RAT) IS 3.3 G/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: IRRITATION OF EYES, SKIN,
RESPIRATORY OR GASTRO INTESTINAL TRACTS.
Explanation of Carcinogenicity:DATA PER MSDS
Effects of Overexposure:CENTRAL NERVOUS EFFECTS LIKE HEADACHE,
DIZZINESS, NAUSEA, VOMITING AND POSSIBLE UNCONSCIOUSNESS. REDNESS
OR BURNS OF EYES AND SKIN POSSIBLE. DRYING OF SKIN, DEFATTING OR
DERMATITIS.
Medical Cond Aggravated by Exposure:PERSONS WITH A HISTORY OF AILMENTS
OR WITH A PRE-EXISTING DISEASE INVOLVING THE EYES, SKIN, OR
RESPIRATORY TRACT MAY BE AT INCREASED RISK FROM EXPOSURE.

First Aid:INHALATION:REMOVE TO FRESH AIR. RESUSCITATE IF NOT BREATHING.
GET MEDICAL ATTENTION. EYES:IMMEDIATELY FLUSH WITH PLENTY OF WATER
FOR 15 MINUTES HOLDING EYELIDS OPEN. GET MEDICAL ATTENTION. SKIN:
REMOV E CONTAMINATED CLOTHING. WASH WITH SOAPAND WATER. IF
IRRITATION PERSISTS, GET MEDICAL ADVICE. INGESTION:DO NOT INDUCE
VOMITING. GIVE NOTHING BY MOUTH IF UNCONSCIOUS. GET IMMEDIATE
MEDICAL ATTENTION.

Flash Point Method:TCC
Flash Point:20.0F,-6.7C
Autoignition Temp:Autoignition Temp Text:960F
Lower Limits:10.0
Upper Limits:18.0
Extinguishing Media:USE CARBON DIOXIDE, FOAM, DRY CHEMICAL, OR WATER
FOG.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:CONSIDERED SERIOUS FIRE HAZARDS BECAUSE
OF ITS LOW FLASH POINT, HIGH VOLATILITY, AND HEAVY VAPOR.

Spill Release Procedures:USE PROPER PERSONAL PROTECTION; REMOVE ALL
IGNITION SOURCES; CONTAIN FREE MATERIAL IF POSSIBLE; USE SUITABLE
INERT ABSORBENT MATERIAL AND RECOVER FOR PROPER DISPOSAL IN AN
APPROVED CONTAINER.
Neutralizing Agent:NOT APPLICABLE.

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL VENTILATED
AREA. KEEP CONTAINERS TIGHTLY CLOSED WHEN NOT IN USE. PROTECT
CONTAINERS FROM PHYSICAL DAMAGE.
Other Precautions:DO NOT TAKE INTERNALLY. DO NOT BREATHE MIST. AVOID
PROLONGED OR REPEATED BREATHING OF VAPOR. AVOID CONTACT WITH EYES.
USE WITH ADEQUATE VENTILATION. WASH THOROUGHLY AFTER HANDLING.

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR FOR ORGANIC
VAPORS/MIST OR AS REQUIRED IF ABOVE PEL/TLV OR SCBA IN AN ENCLOSED
AREA.
Ventilation:LOCAL/GENERAL TO MAINTAIN PEL/TLV.
Protective Gloves:NEOPRENE, NITRILE, OR NATURAL RUBBER
Eye Protection:SAFETY GOGGLES WITH OPTIONAL FACE SHIELD
Other Protective Equipment:EYE WASH STATION AND SAFETY SHOWER, WORK
CLOTHING AND APRON AS REQUIRED.
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. DO NOT WEAR CONTAMINATED CLOTHING OR
FOOTWEAR.
Supplemental Safety and Health
AVOID PROLONGED OR REPEATED EXPOSURE. DO NOT GET ON SKIN OR IN EYES. DO
NOT BREATHE VAPORS OR MISTS.

HCC:F2
Boiling Pt:B.P. Text:175F,79C
Vapor Pres:78MM HG
Vapor Density:2.5
Spec Gravity:0.8064
Evaporation Rate & Reference:5.7(N-BUTYL ACETATE = 1)
Solubility in Water:APPRECIABLE
Appearance and Odor:COLORLESS LIQUID,ACETONE LIKE ODOR
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, CHLORINATED HYDROCARBONS IN PRESENCE OF
ALKALIES; ALKANOLAMINE, AMINES, INORGANIC ACIDS,AMMONIA
Stability Condition to Avoid:HIGH TEMPERATURES, SPARKS, AND OPEN FLAMES
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE AND
OTHER UNIDENTIFIED COMPONENTS.

Waste Disposal Methods:CONSULT LOCAL AUTHORITIES. DISPOSAL MUST BE MADE
IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE AND LOCAL LAWS AND
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.