Product ID:METHYL ISOBUTYL KETONE
MSDS Date:07/24/1992
FSC:6810
NIIN:00N040963
MSDS Number: BSFZG

SIGMA CHEMICAL CO

ST LOUIS, MO 63178
US

Emergency Phone: 800-325-3010; 314-771-5750

Info Phone: 800-325-3010; 314-771-5750

Cage: 21076

SIGMA CHEMICAL COMPANY

14508 ST LOUIS, MO 63178 US

Telephone: 314-771-5765

Cage: 21076

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 Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

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: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.

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.

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 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.

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.

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 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.

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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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.