SIGMA CHEMICAL CO -- METHYL ISOBUTYL KETONE  -- 6810-00N040963
<pre>=====================  Product Identification  =====================

Product ID:METHYL ISOBUTYL KETONE
MSDS Date:07/24/1992
FSC:6810
NIIN:00N040963
=== Responsible Party ===
Company Name:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:800-325-3010; 314-771-5750
Emergency Phone Num:800-325-3010; 314-771-5750
CAGE:21076
=== Contractor Identification ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076

=============  Composition/Information on Ingredients  =============

Ingred Name:2-PENTANONE, 4-METHYL-; (METHYL ISOBUTYL KETONE) (SARA III)
CAS:108-10-1
RTECS #:SA9275000
OSHA PEL:50 PPM; 75 STEL
ACGIH TLV:50 PPM; 75 STEL
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:LD50:(ORAL RAT) 2080 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:TARGET ORGANS: CENTRAL NERVOUS SYSTEM.
    ACUTE: MAY BE HARMFUL BY INHALATION, INGESTION OR SKIN ABSORPTION.
    VAPOR OR MIST IS IRRITATING TO EYES, MUCOUS MEMBRANES & UPPER
    RESPIRATORY TRACT. CAUSES SKIN I RRITATION.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER..

=======================  First Aid Measures  =======================

First Aid:EYES/SKIN:IMMEDIATELY FLUSH EYES OR SKIN W/COPIOUS AMOUNTS OF
    WATER FOR AT LEAST 15 MINS WHILE REMOVING CONTAMINATED CLOTHING &
    SHOES. REMOVE & WASH CONTAMINATED CLOTHING PROMPTLY. INHAL:REMOVE
    TO FRE SH AIR. IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION. IF
    BREATHING IS DIFFICULT, GIVE OXYGEN. INGEST:WASH OUT MOUTH W/WATER
    PROVIDED PERSON IS CONSCIOUS. CALL MD.

=====================  Fire Fighting Measures  =====================

Flash Point:56.0F,13.3C
Lower Limits:1.2% @ 93C
Upper Limits:8% @ 93C
Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL POWDER OR APPROP FOAM.
    WATER MAY BE EFFECTIVE FOR COOLING, BUT MAY NOT EFT EXTINGUISHMENT.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT . PREVENT CONTACT W/SKIN & EYES. FLAMMABLE.
    USE WATER SPRAY TO COOL FIRE-EXPOSED CONTRS.
Unusual Fire/Explosion Hazard:VAPOR MAY TRAVEL CONSIDERABLE DISTANCE TO
    SOURCE OF IGNITION & FLASH BACK. CONTR EXPLOSION MAY OCCUR UNDER
    FIRE CNDTNS. FORMS EXPLOSIVE MIXTURES IN AIR.

==================  Accidental Release Measures  ==================

Spill Release Procedures:EVAC AREA. SHUT OFF ALL SOURCES OF IGNIT. WEAR
    NIOSH/MSHA APPRVD SCBA, RUB BOOTS & HEAVY RUB GLOVES. COVER W/AN
    ACTIVATED CARBON ABSORB, TAKE UP & PLACE IN CLSD CONTRS. TRANSPORT
    OUTDOORS. VENT AREA &  WASH SPILL SITE AFTER MATL PICKUP IS
    COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

======================	Handling and Storage  ======================

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE. KEEP AWAY
    FROM HEAT, SPARKS & OPEN FLAME. KEEP TIGHTLY CLSD. HARMFUL LIQ.
    IRRITANT. USE NONSPARKING TOOLS.
Other Precautions:USE NONSPARKING TOOLS. DO NOT BREATHE VAPOR. AVOID
    CONTACT W/EYES, SKIN & CLTHG. KEEP AWAY FROM SOURCES OF IGNITION.
    NO SMOKING. TAKE PRECAUTIONARY MEASURES AGAINST STATIC DISCHARGES.
    WEAR SUITABLE PR OT CLTHG, GLOVES & EYE/FACE PROT.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER & EYE
    BATH.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

==================  Physical/Chemical Properties  ==================

Boiling Pt:B.P. Text:243F,117C
Melt/Freeze Pt:M.P/F.P Text:-112F,-80C
Vapor Pres:15 @ 20C
Vapor Density:3.5
Spec Gravity:0.800
Appearance and Odor:COLORLESS LIQUID.

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS, REDUCING AGENTS & STRONG BASES.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:TOXIC FUMES OF: CARBON MONOXIDE &
    CARBON DIOXIDE.

====================  Disposal Considerations  ====================

Waste Disposal Methods:BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AN
    AFTERBURNER & SCRUBBER BUT EXERT EXTRA CARE IN IGNITING AS THIS
    MATERIAL IS HIGHLY FLAMMABLE. DISPOSAL MUST BE IN ACCORDANCE
    W/FEDERAL, STATE & LOCAL REGUL ATIONS .

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