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

MSDS NAME:PYRIDINE-D5 100%, DLM-39
NIIN:00N072608
MSDS Number: CBYPQ
=== Responsible Party ===
Company:CAMBRIDGE ISOTAPE LABS INC
Address:50 FRONTAGE RD
City:ANDOVER
State:MA
ZIP:10810
Country:US
Info Phone Num:800-322-1174;508-749-8000
Emergency Phone Num:202-483-7616;800-424-9300(CHEMTREC)
CAGE:JO221
=== Contractor Identification ===
Company:CAMBRIDGE ISOTAPE LABORATORIES INC
Address:50 FRONTAGE RD
Box:City:ANDOVER
State:MA
ZIP:01810
Country:US
Phone:800-322-1174
CAGE:JO221
Company:CAMBRIDGE ISOTOPE LABORATORIES
Address:20 COMMERCE WAY
Box:City:WOBURN
State:MA
ZIP:01801
Country:US
Phone:617-938-0067/9721(FAX) 800-322
CAGE:5Y748

=============  Composition/Information on Ingredients  =============

Name:PYRIDINE-D5
CAS:7291-22-7
Fraction by Wt: 100%
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
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 BY INHALATION,
    INGESTION, SKIN ABSORPTION. CAUSES SEVERE IRRITATION. HIGH
    CONCENTRATIONS ARE EXTREMELY DESTRUCTIVE TO TISSUES.
    GASTROINTESTINAL DISTURBANCES. EXPOSURE CAN CAUSE COUGHING,  CHEST
    PAINS, DIFFICULTY IN BREATHING. SYMPTOMS OF EXPOSURE:BURNING
    SENSATION, COUGHING, SNEEZING, (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:LARYNGITIS, SHORTNESS OF BREATH,
    HEADACHE, NAUSEA & VOMITING. CHRONIC:DAMAGE TO LIVER. DAMAGE TO
    KIDNEYS. LABORATORY EXPERIMENTS HAVE SHOWN MUTAGENIC EFFECTS.
    TARGET ORGANS:LIVER, KIDNEYS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

Eyes:IMMEDIATELY FLUSH W/LOTS OF WATER FOR AT LEAST 15
    MINUTES. (SEPARATE EYELIDS W/FINGERS WHEN FLUSHING). SKIN:FLUSH
    W/LOTS OF WATER. WASH CONTAMINATED CLOTHING BEFORE RE-USE.
    INHALATION:MOVE PERSON  TO FRESH AIR. IF BREATHING IS DIFFICULT,
    GIVE OXYGEN. IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION.
    INGESTION:WASH OUT MOUTH W/WATER IF PERSON IS CONSCIOUS. CALL MD.

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

Flash Point:68.0F,20.0C
Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL POWDER OR APPROPRIATE
    FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:VAPOR MAY TRAVEL LONG DISTANCES TO SOURCE
    OF IGNITION & FLASH BACK. FORMS EXPLOSIVE MIXTURES IN AIR. EMITS
    TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. SHUT OFF IGNIT SOURCES. WEAR
    PROTECTIVE EQUIPMENT & CLOTHING. COVER W/DRY LIME, SAND OR SODA
    ASH; PLACE IN COVERED CONTAINERS; USE NON-SPARKING TOOLS; TRANSFER
    OUTDOORS. VENTILATE AREA  & WASH SPILL SITE AFTER MATL PICKUP IS
    COMPLETE.
Neutralizing Agent:DRY LIME, SAND OR SODA ASH.

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

Handling and Storage Precautions:USE ONLY IN A CHEMICAL FUME HOOD. USE
    NONSPARKING TOOLS. HANDLE & STORE UNDER NITROGEN. STORE IN A COOL
    DRY PLACE. KEEP TIGHTLY CLOSED.
Other Precautions:FLAMMABLE. TOXIC. SEVERE IRRITANT. POSSIBLE MUTAGEN.
    HARMFUL. AVOID CONTACT W/EYES, SKIN & CLOTHING. DO NOT BREATHE
    VAPOR.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD. USE NONSPARKING TOOLS.
Protective Gloves:IMPERVIOUS 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
NONE SPECIFIED BY MANUFACTURER.

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

Boiling Pt:B.P. Text:238F,114C
Spec Gravity:1.05
Appearance and Odor:COLORLESS LIQUID.

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

Stability Indicator/Materials to Avoid:YES
ACID, ACID CHLORIDES, OXIDIZING AGENTS, CHLOROFORMATES.
Stability Condition to Avoid:HEAT; CONTACT W/IGNITION SOURCES (HEAT,
    SPARKS, OPEN FLAME).
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE,
    NITROGEN OXIDES.

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

Waste Disposal Methods:BURN IN A CHEMICAL INCINERATOR W/AFTERBURNER &
    SCRUBBER. EXERT EXTRA CARE IN IGNITING AS THIS MATERIAL IS HIGHLY
    FLAMMABLE. OBSERVE ALL FEDERAL, STATE & LOCAL LAWS.

 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.

*** END OF RECORD ***