Product ID:METHYL ETHYL KETONE,31210
MSDS Date:06/15/1993
FSC:6810
NIIN:00-281-2763
MSDS Number: BDSVV

SHELL CHEMICAL COMPANY A DIV. OF SHELL OIL CO.

1 SHELL PLAZA
HOUSTON, TX 77001
US

Emergency Phone: 713-473-9461/800-424-9300(CHEMTREC)

Info Phone: 713-241-4819

Preparer: J.C. WILLETT

Cage: 86961

SHELL CHEMICAL COMPANY A DIV. OF SHELL OIL CO.

2463 HOUSTON, TX 77001 US

Telephone: 713-473-9461

Cage: 86961

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

CAS: 78-93-3

RTECS: EL6475000

Fraction By Weight: 100%

OSHA PEL 200 PPM

ACGIH TLV: 200 PPM/300STEL;9596

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

6.67 LBS/GAL.

RTECS: 9999999VC

OSHA PEL NOT RELEVANT

ACGIH TLV: NOT RELEVANT

LD50 LC50 Mixture:LD50 (ORAL, RAT) IS 3,400 MG/KG.
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, CNS, LUNG, GI
TRACT. ACUTE- EYE/SKIN:CAN CAUSE IRRITATION. MAY CAUSE SKIN
DRYNESS. INHALE:MAY CAUSE CNS DEPRESSION, RESPIRATORY TRACT
IRRITATION. ORAL:LIQUID IS MODERATELY TOX IC & MAY BE HARMFUL IF
SWALLOWED. MAY CAUSE CNS DEPRESSION. CHRONIC- DERMATITIS, CNS &
NEUROTOXIC EFFECTS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, TEARING, BLURRED VISION, SKIN
DEFATING, ITCHING, BLISTRING, DERMATITIS, HEADACHE, DIZZINESS,
WEAKNESS, FATIGUE, NAUSEA, VOMITING, DIARRHEA, ABDOMINAL SPASMS,
PAIN, UNCONSCIOUSNESS, DEATH
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING DISEASES
INVOLVING THE EYES, SKIN, LUNGS OR CNS MAY BE AT INCREASED RISK
FROM EXPOSURE.

First Aid:CALL PHYSICIAN IF SYMPTOMS PERSIST. EYE:IMMEDIATELY FLUSH
WITH WATER FOR 15 MINUTES. HOLD EYELIDS OPEN. SKIN:FLUSH WITH
PLENTY OF WATER. INHALED:REMOVE TO FRESH AIR. PROVIDE CPR/OXYGEN IF
NEEDED. ORAL :IF CONSCIOUS, INDUCE VOMITING USING IPECAC SYRUP &
WATER. CALL A PHYSICIAN/POISON CONTROL CENTER IMMEDIATELY. NEVER
GIVE FLUID OR INDUCE VOMITING IF PATIENT IS UNCONSCIOUS OR HAS
CONVULSIONS.

Flash Point Method:TCC
Flash Point:23.0F,-5.0C
Lower Limits:1.8%
Upper Limits:11.5%
Extinguishing Media:USE WATER FOG, CARBON DIOXIDE (CO2), ALCOHOL FOAM
OR DRY CHEMICAL. USE WATER SPRAY TO COOL FIRE EXPOSED CONTAINERS.
Fire Fighting Procedures:DO NOT ENTER ANY ENCLOSED OR CONFINED AREA
WITHOUT PROPER PROTECTIVE EQUIPMENT AND NIOSH-APPROVED
SELF-CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:VAPOR IS HEAVIER THAN AIR AND CAN TRAVEL
CONSIDERABLE DISTANCE TO A SOURCE OF IGNITION AND FLASH BACK.
CONTAINERS MAY RUPTURE DUE TO VAPOR PRESSURE BUILDUP.

Spill Release Procedures:WEAR PROTECTIVE EQUIPMENT. ELIMINATE SOURCES
OF IGNITION. VENTILATE AREA. CONTAIN SPILL. PICK UP SPILL WITH
NON-FLAMMABLE ABSORBENT MATERIAL SUCH AS SAND. PLACE IN CONTAINER
FOR DISPOSAL. PREVENT LIQU ID FROM ENTERING SEWERS, WATERWAYS OR
LOW AREAS.
Neutralizing Agent:NOT RELEVANT

Handling and Storage Precautions:STORE IN COOL, DRY, WELL VENTILATED
AREA AWAY FROM SOURCES OF IGNITION & INCOMPATIBLE MATERIALS. BOND
AND GROUND CONTAINERS WHEN TRANSFERRING LIQUID.
Other Precautions:"EMPTY" CONTAINERS MAY RETAIN RESIDUE AND CAN BE
DANGEROUS. FOLLOW ALL LABEL INSTRUCTIONS. KEEP OUT OF REACH OF
CHILDREN. AVOID EYE AND SKIN CONTACT. WASH THOROUGHLY AFTER
HANDLING. DO NOT BREATHE VAP ORS. DO NOT INGEST.

Respiratory Protection:IF ENGINEERING CONTROLS ARE INADEQUATE TO
CONTROL VAPOR CONCENTRATIONS TO AN ACCEPTABLE LEVEL, A
NIOSH-APPROVED ORGANIC VAPOR RESPIRATOR SHOULD BE WORN.
Ventilation:MECHANICAL (GENERAL AND/OR LOCAL EXHAUST, EXPLOSION-PROOF)
VENTILATION TO MAINTAIN EXPOSURE BELOW TLV(S).
Protective Gloves:BUTYL OR PVA
Eye Protection:SAFETY GLASSES - CHEMICAL SPLASH GOGGLES
Other Protective Equipment:EYE WASH STATION AND SAFETY SHOWER.
INDUSTRIAL-TYPE WORK CLOTHING AND APRON AS REQUIRED.
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. WASH THOROUGHLY BEFORE EATING,
DRINKING/SMOKING.
Supplemental Safety and Health
NOTE TO PHYSICIAN: IF VICTIM IS A CHILD, GIVE NO MORE THAN 1 GLASS OF
WATER AND 15 ML (1 TABLESPOON) SYRUP OF IPECAC. IF SYMPTOMS SUCH AS
LOSS OF GAG REFLEX, CONVULSION OR UNCONSCIOUSNESS OCCUR BEFORE
EMESIS, GASTRIC LAVAGE SHOULD BE CONSIDERED FOLLOWING INTUBATION
WITH A CUFFED ENDOTRACHEAL TUBE.

HCC:F3
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:B.P. Text:175F,79C
Melt/Freeze Pt:M.P/F.P Text:-124F,-87C
Decomp Temp:Decomp Text:NOT KNOWN
Vapor Pres:70.9 @ 68F
Vapor Density:2.5
Spec Gravity:0.81
Evaporation Rate & Reference:3.8 (N-BUTYL ACETATE=1)
Solubility in Water:APPRECIABLE
Appearance and Odor:COLORLESS, MOBILE LIQUID - PUNGENT ODOR
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS
Stability Condition to Avoid:HIGH TEMPERATURES, SPARKS, AND OPEN FLAMES
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE,
METHYL VINYL KETONE, UNIDENTIFIED ORGANIC COMPOUNDS MAY BE FORMED.

Waste Disposal Methods:DISPOSAL SHOULD BE MADE IN ACCORDANCE WITH ALL
APPLICABLE FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.
RECOMMENDED PROCEDURE IS BY INCINERATION. REPORTABLE QUANTITY (RQ):
5,000 LBS.

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.