SIGMA CHEMICAL COMPANY -- 13170-9 PYRROLE 98%  -- 6850-00F056008
<pre>=====================  Product Identification  =====================

Product ID:13170-9 PYRROLE 98%
MSDS Date:07/01/1995
FSC:6850
NIIN:00F056008
=== 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:PYRROLE	  *98-1*
CAS:109-97-7
RTECS #:UX9275000

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:HARMFUL IF SWALLOWED, INHALED/ABSORBED
    THROUGH SKIN. IRRITATING TO EYES, MUCOUS MEMBRANES & UPPER
    RESPIRATORY TRACT. CAUSES SKIN IRRITATION. REPEATED EXPOSURE MAY
    CAUSE DAMAGE TO LIVER, HEART & KIDNEY S.
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
    NECESSARY. INGESTION: WASH OUT MOUTH W/WATER IF CONSCIOUS. OBTAIN
    MEDICAL ATTEN TION IN ALL CASES.

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

Flash Point:92F
Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL POWDER/APPROPRIATE
    FOAM
Fire Fighting Procedures:WEAR SELF CONTAINED BREATHING APPARATUS &
    PROTECTIVE CLOTHING TO PREVENT CONTACT W/SKIN & EYES.
Unusual Fire/Explosion Hazard:VAPOR MAY TRAVEL CONSIDERABLE DISTANCE TO
    SOURCE OF IGNITION & FLASH BACK. CONTAINER EXPLOSION MAY OCCUR
    UNDER FIRE CONDITIONS. FORMS EXPLOSIVE MIXTURES IN AIR.

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

Spill Release Procedures:EVACUATE AREA. SHUT OFF IGNITION SOURCES. WEAR
    SELF CONTAINED BREATHING APPARATUS, RUBBER BOOTS & HEAVY RUBBER
    GLOVES. COVER W/DRY-LIME, SAND/SODA ASH. PLACE IN COVERED
    CONTAINERS USING NON-SPARKING T OOLS & TRANSPORT OUTDOORS.

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

Handling and Storage Precautions:REFRIGERATE. STORE UNDER NITROGEN.
    KEEP TIGHTLY CLOSED & AWAY FROM HEAT, SPARKS, OPEN FLAME.
Other Precautions:DON'T BREATHE VAPOR. AVOID CONTACT W/EYES, SKIN &
    CLOTHING. AVOID PROLONGED/REPEATED EXPOSURE.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:SAFETY SHOWER, EYE BATH, PROTECTIVE CLOTHING
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING & SHOES
    BEFORE REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

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

Boiling Pt:B.P. Text:267.8F
Melt/Freeze Pt:M.P/F.P Text:-9.4F
Vapor Density:2.31
Spec Gravity:0.967
Appearance and Odor:AMBER LIQUID

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

Stability Indicator/Materials to Avoid:YES
ACID CHLORIDES, ACID ANHYDRIDES, OXIDIZING AGENTS, ACIDS
Stability Condition to Avoid:FIRE/HEAT, SPARKS, OPEN FLAME & OTHER
    IGNITION SOURCES, AIR/LIGHT/MOISTURE SENSITIVE
Hazardous Decomposition Products:BY THERMAL DECOMPOSITION: CO, CO2,
    NITROGEN OXIDES

====================  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/LOCAL, STATE & FEDERAL
    REGULATIONS.

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 disclaims all liability for its use.  Any person utilizing this
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