=====================  Product Identification  =====================

MSDS NAME:1-METHYL-2-PYRROLIDONE, 69118
NIIN:00N072356
MSDS Number: CBYBH
=== Responsible Party ===
Company:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:314-771-5765
Emergency Phone Num:314-771-5765
CAGE:21076
=== Contractor Identification ===
Company: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  =============

Name:2-PYRROLIDINONE, 1-METHYL-; (1-METHYL-2-PYRROLIDONE)
CAS:872-50-4
RTECS #:UY5790000
Fraction by Wt: 100%
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:LD50:(ORAL,RAT) 3914 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:ACUTE:HARMFUL IF SWALLOWED, INHALED OR
    ABSORBED THROUGH SKIN. VAPOR IS IRRITATING TO THE EYES, MUCOUS
    MEMBRANES AND UPPER RESPIRATORY TRACT. CAUSES SKIN IRRITATION.
    PROLONGED EXPOSURE CAN CAUSE STOMAC H PAINS, VOMITING, DIARRHEA.
    CHRONIC:OVEREXPOSURE MAY CAUSE REPRODUCTIVE DISORDER(S) BASED ON
    TESTS W/ (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:LAB ANIMALS. TARGET ORGANS:BONE
    MARROW, THYMUS, SPLEEN, LYMPHATIC SYSTEM. RATS EXPOSED TO
    1-METHYL-2-PYRROLIDINONE AT CONC OF 1 MG/L AS AN AEROSOL FOR 10
    DAYS SHOWED DEPLETION OF HEMATOPOIETI C CELLS IN BONE MARROW &
    ATROPHY OF LYMPHOID TISSUES OF THE THYMUS, SPLEEN & LYMPH NODES.
    TARGET ORGAN DATA:EFTS(SUPDAT)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

Eyes:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS.
    ASSURE ADEQ FLUSHING BY SEPARATING EYELIDS W/FINGERS. SKIN:IMMED
    FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS WHILE REMOVING
    CONTAM CLT HG & SHOES. REMOVE & WASH CONTAM CLTHG PROMPTLY. DISCARD
    CONTAM SHOES. INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG GIVE ARTF
    RESP. IF BRTHG IS DFCLT, GIVE OXYG. INGEST:WASH OUT MOUTH W/WATER
    (SUPP DATA)

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

Flash Point:187F,86C
Lower Limits:1.3%
Upper Limits:9.5%
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER OR
    APPROPRIATE FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT . COMBUSTIBLE LIQUID.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPROVED SCBA,
    RUBBER BOOTS & HEAVY RUBBER GLOVES. ABSORB ON SAND OR VERMICULITE &
    PLACE IN CLOSED CONTAINERS FOR DISPOSAL. VENTILATE AREA & WASH
    SPILL SITE AFTER MATL PICKUP  IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:DO NOT BREATHE VAPOR. AVOID CONTACT
    W/EYES, SKIN, & CLOTHING. MAY BE READILY ABSORBED THRU SKIN.
    IRRITANT. POSSIBLE TERATOGEN. KEEP TIGHTLY CLOSED.
Other Precautions:KEEP AWAY FROM HEAT & OPEN FLAME. STORE IN A COOL,
    DRY PLACE. HARMFUL BY INHAL, IN CONTACT W/SKIN & IF SWALLOWED.
    IRRITATING TO EYES, RESP SYSTEM & SKIN. POSSIBLE RISK OF
    IRREVERSIBLE EFTS. COMBUSTIBL E. HYGROSCOPIC. STORE UNDER NITROGEN.

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

Respiratory Protection:NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:WEAR HEAVY RUBBER GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
    ANSI DESIGN CRITERIA . WEAR SUITABLE PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
VP:0.29 @ 20C; 0.99 @ 40C. EFTS OF OVEREXP:ON FERTILITY
    (POST-IMPLANTATION MORTALITY). SPECIFIC DEVELOPMENTAL ABNORMS (CNS,
    MUSCULOSKELETAL SYSTEM). FIRST AID PROC:PROVIDED PERSON IS
    CONSCIOUS. CALL M D.

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

Boiling Pt:B.P. Text:>178F,>81C
Melt/Freeze Pt:M.P/F.P Text:-11F,-24C
Vapor Pres:SUPP DATA
Vapor Density:3.4
Spec Gravity:1.033
Appearance and Odor:COLORLESS LIQUID.

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

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS, STRONG OXIDIZING AGENTS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:THERMAL DECOMPOSITION MAY PRODUCE
    CARBON MONOXIDE, CARBON DIOXIDE & NITROGEN OXIDES.

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

Waste Disposal Methods:THIS COMBUSTIBLE MATERIAL MAY BE BURNED IN A
    CHEMICAL INCINERATOR EQUIPPED W/AFTERBURNER & SCRUBBER. OBSERVE ALL
    FEDERAL, STATE & LOCAL ENVIRONMENTAL 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.

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