SIGMA CHEMICAL COMPANY -- 58600 4-METHYL-2-PENTANONE -- 6810-00F045354 
=====================  Product Identification  =====================

Product ID:58600 4-METHYL-2-PENTANONE
MSDS Date:08/01/1995
FSC:6810
NIIN:00F045354
=== Responsible Party ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:SAINT LOUIS
State:MO
ZIP:63178-5000
Country:US
Info Phone Num:314-771-5765/800-325-3010
Emergency Phone Num:314-771-5765/800-325-3010
CAGE:21076
=== Contractor Identification ===
Company Name:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928
Company Name:FLUKA CHEMICAL CORP
Address:1001 WEST ST PAUL
Box:City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:63181
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:HEXONE, METHYL ISOBUTYL KETONE (MIBK), 4-METHYL-2-PENTANONE
CAS:108-10-1
RTECS #:SA9275000
Other REC Limits:50 PPM
OSHA PEL:410 MG/CUM
ACGIH TLV:205 MG/CUM
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

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

LD50 LC50 Mixture:ORAL LD50(RAT): 2080 MG/KG (SEE SUPP)
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:MAY BE HARMFUL BY INHALATION,
    INGESTION/SKIN ABSORPTION. EYES/SKIN: IRRITATION. INHALATION:
    IRRITATING TO MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION.

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

First Aid:EYES/SKIN: IMMEDIATELY FLUSH W/COPIOUS AMOUNTS OF WATER FOR
    15 MINS. INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF
    NEEDED. INGESTION: WASH OUT MOUTH W/WATER IF CONSCIOUS. OBTAIN
    MEDICAL ATTENTIO N IN ALL CASES.

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

Flash Point:56F
Lower Limits:1.2
Upper Limits:8
Extinguishing Media:CO2, DRY CHEMICAL POWDER/APPROPRIATE FOAM. WATER
    MAY BE EFFECTIVE FOR COOLING, BUT MAY NOT EFFECT EXTINGUISHMENT.
Fire Fighting Procedures:WEAR SCBA & PROTECTIVE CLOTHING. USE WATER
    SPRAY TO COOL FIRE-EXPOSED CONTAINERS. PREVENT CONTACT W/SKIN &
    EYES.
Unusual Fire/Explosion Hazard:FLAMMABLE. VAPOR MAY TRAVEL A LONG
    DISTANCE TO SOURCES OF IGNITION & FLASH BACK. CONTAINER EXPLOSION
    MAY OCCUR UNDER FIRE CONDITIONS. (SEE SUPP)

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

Spill Release Procedures:EVACUATE AREA. SHUT OFF SOURCES OF IGNITION.
    WEAR SCBA, RUBBER BOOTS & HEAVY RUBBER GLOVES. COVER W/AN ACTIVATED
    CARBON ABSORBENT, TAKE UP & PLACE IN CLOSED CONTAINERS. TRANSPORT
    OUTDOORS. VENTILATE A REA & WASH SITE AFTER MATERIAL PICKUP IS
    COMPLETE.

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

Handling and Storage Precautions:KEEP TIGHTLY CLOSED. KEEP AWAY FROM
    HEAT, SPARKS & OPEN FLAME. STORE IN A COOL DRY PLACE. USE
    NONSPARKING TOOLS.
Other Precautions:DON'T BREATHE VAPOR. AVOID CONTACT W/EYES, SKIN &
    CLOTHING. HARMFUL LIQUID. TAKE PRECAUTIONARY MEASURES AGAINST
    STATIC DISCHARGES.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST: REQUIRED
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING, GLOVES & EYE/FACE
    PROTECTION.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
FORMS EXPLOSIVE MIXTURES IN AIR. THIS ORAL LD50 INFORMATION IS FOR
    4-METHYL-2-PENTANONE.

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

Boiling Pt:B.P. Text:242.6-244F
Melt/Freeze Pt:M.P/F.P Text:-112F
Vapor Pres:15
Vapor Density:3.5
Spec Gravity:0.801
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:HEAT, SPARKS, OPEN FLAMES & OTHER SOURCES
    OF IGNITION, STATIC DISCHARGE.
Hazardous Decomposition Products:CO, CO2

====================  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. DISPOSE OF IAW/FEDERAL, STATE & LOCAL
    REGULATIONS.

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