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

MSDS NAME:270970 PYRIDINE ANHYDROUS 99.8%
NIIN:00F056397
MSDS Number: CHNBM
=== Responsible Party ===
Company: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: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:FLUKA CHEMICAL CORP
Address:1001 WEST ST PAUL
Box:City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:63181
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:PYRIDINE
CAS:110-86-1
RTECS #:UR8400000
Fraction by Wt: 99.8%
Other REC Limits:5 PPM
OSHA PEL:15 MG/CUM
ACGIH TLV:16 MG/CUM
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

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

LD50 LC50 Mixture:ORAL LD50(RAT): 891 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:HARMFUL IF SWALLOWED, INHALED/ABSORBED
    THROUGH SKIN. CAUSES SEVERE IRRITATION. INHALATION: EXTREMELY
    DESTRUCTIVE TO TISSUES OF THE MUCOUS MEMBRANES & UPPER RESPIRATORY
    TRACT, EYES & SKIN. BURNING SENS ATION. MAY AFFECT THE LIVER,
    KIDNEYS, NERVES, BONE MARROW.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, BURNING, COUGHING, WHEEZING,
    LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA, VOMITING.
    DOSE-RELATED SIDE EFFECTS: ANOREXIA, NAUSEA, VOMITING, HEADACHE,
    DIZZINESS, TACHYCARDIA, NERVOUSNE SS, INSOMNIA, SKIN DISORDERS.

=======================  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:68F
Lower Limits:1.8
Upper Limits:12.4
Extinguishing Media:CO2, DRY CHEMICAL POWDER/APPROPRIATE FOAM
Fire Fighting Procedures:WATER MAY BE INEFFECTIVE FOR COOLING, BUT MAY
    NOT EFFECT EXTINGUISHMENT. WEAR SCBA & PROTECTIVE CLOTHING TO
    PREVENT CONTACT W/SKIN & EYES.
Unusual Fire/Explosion Hazard:VAPOR MAY TRAVEL CONSIDERABLE DISTANCE TO
    IGNITION SOURCES & FLASHBACK. FORMS EXPLOSIVE MIXTURES W/AIR. EMITS
    TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. SHUT OFF ALL SOURCES OF
    IGNITION. WEAR SCBA, RUBBER BOOTS & HEAVY RUBBER GLOVES. COVER
    W/DRY-LIME, SAND/SODA ASH. PLACE IN COVERED CONTAINERS USING
    NON-SPARKING TOOLS & TRANSPORT OUTDOO RS. VENTILATE AREA & WASH
    SITE AFTER CLEANUP.

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

Handling and Storage Precautions:KEEP TIGHTLY CLOSED & AWAY FROM
    HEAT/SPARKS & OPEN FLAME. STORE IN A COOL, DRY PLACE. WEAR SUITABLE
    PROTECTIVE CLOTHING. HANDLE/STORE UNDER NITROGEN.
Other Precautions:DON'T BREATHE VAPOR. DON'T GET IN EYES, ON SKIN/ON
    CLOTHING. AVOID PROLONGED/REPEATED EXPOSURE.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:SAFETY SHOWER, EYE BATH, NON-SPARKING TOOLS
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:239F
Melt/Freeze Pt:M.P/F.P Text:-43.6F
Vapor Pres:20
Vapor Density:2.72
Spec Gravity:0.978
Appearance and Odor:COLORLESS LIQUID

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

Stability Indicator/Materials to Avoid:YES
ACIDS, ACID CHLORIDES, OXIDIZING AGENTS, CHLOROFORMATES
Stability Condition to Avoid:FIRE, HEAT, SPARKS, OPEN FLAMES & OTHER
    IGNITION SOURCES
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 CARE IN IGNITING AS THIS MATERIAL
    IS HIGHLY FLAMMABLE. DISPOSE OF IAW/LOCAL, STATE & FEDERAL
    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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