SIGMA CHEMICAL CO -- THYMIDINE 5'-TRIPHOSPHATE SODIUM, T0251 -- 6505-00N092740 
=====================  Product Identification  =====================

Product ID:THYMIDINE 5'-TRIPHOSPHATE SODIUM, T0251
MSDS Date:07/01/1999
FSC:6505
NIIN:00N092740
Status Code:A
=== Responsible Party ===
Company Name: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 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:THYMIDINE 5'-TRIPHOSPHATE SODIUM
CAS:18423-43-3
Other REC Limits:N/K 
OSHA PEL:N/K 
OSHA STEL:N/K 
ACGIH TLV:N/K 
ACGIH STEL:N/K 

Ingred Name:ETHYL ALCOHOL; (ETHANOL)
CAS:64-17-5
RTECS #:KQ6300000
Other REC Limits:N/K 
OSHA PEL:1900 MG/M3;1000 PPM
OSHA STEL:N/K 
ACGIH TLV:1880 MG/M3;1000 PPM
ACGIH STEL:N/K 

Ingred Name:METHYL ALCOHOL; (METHANOL)
CAS:67-56-1
RTECS #:PC1400000
< Wt:5.
Other REC Limits:N/K 
OSHA PEL:260 MG/M3;200 PPM
OSHA STEL:N/K 
ACGIH TLV:262 MG/M3;200 PPM
ACGIH STEL:328 MG/M3;250 PPM
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

=====================  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:ACUTE: HARMFUL IF SWALLOWED, INHALED,
    OR ABSORBED THROUGH SKIN. CAUSES EYE AND SKIN IRRITATION. MATERIAL
    IS IRRITATING TO MUCOUS MEMBRANES AND UPPER RESPIRATORY TRACT.
    EXPOSURE MAY CAUSE CENTRAL NERVO US SYSTEM DEPRESSION,
    GASTROINTESTINAL DISTURBANCES, NARCOTIC EFFECT, DAMAGE TO THE EYES,
    DAMAGE TO THE LIVER, DAMAGE TO THE HEART, DAMAGE TO THE KIDNEYS.
    MAY CAUSE CONVULSIONS. TARGET ORGANS: NERVES,  LIVER, EYES,
    KIDNEYS. THE TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY
    INVESTIGATED.
Effects of Overexposure:SEE HEALTH HAZARDS.

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

First Aid:EYES: IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER FOR AT
    LEAST 15 MINUTES. SKIN: WASH IMMEDIATELY WITH SOAP AND COPIOUS
    AMOUNTS OF WATER. INHALATION: REMOVE TO FRESH AIR. IF NOT
    BREATHING, GIVE AR TIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT,
    GIVE OXYGEN. INGESTION: WASH OUT MOUTH WITH WATER PROVIDED PERSON
    IS CONSCIOUS. CALL A PHYSICIAN. WASH CONTAMINATED CLOTHING BEFORE
    REUSE.

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

Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER OR
    APPROPRIATE FOAM.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:WEAR NIOSH APPROVED RESPIRATOR, CHEMICAL
    SAFETY GOGGLES, RUBBER BOOTS AND HEAVY RUBBER GLOVES. SWEEP UP,
    PLACE IN A BAG AND HOLD FOR DISPOSAL. AVOID RAISING DUST. VENTILATE
    AREA AND WASH SPILL SITE AF TER MATERIAL PICKUP IS COMPLETE.

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

Handling and Storage Precautions:DO NOT BREATHE DUST. WEAR SUITABLE
    PROTECTIVE CLOTHING.

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

Respiratory Protection:NIOSH APPROPRIATE APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:EYEWASH AND DELUGE SHOWER MEETING ANSI
    DESIGN CRITERIA . WEAR OTHER PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

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

Solubility in Water:SOLUBLE
Appearance and Odor:SOLID.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS.
Hazardous Decomposition Products:TOXIC FUMES OF CARBON MONOXIDE, CARBON
    DIOXIDE, NITROGEN OXIDES, PHOSPHOROUS OXIDES.

===================  Toxicological Information	===================

Toxicological Information:THE TOXICOLOGICAL PROPERTIES HAVE NOT BEEN
    THOROUGHLY INVESTIGATED.

=====================  Ecological Information  =====================

Ecological:DATA NOT YET AVAILABLE.

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

Waste Disposal Methods:DISSOLVE OR MIX THE MATERIAL WITH A COMBUSTIBLE
    SOLVENT AND BURN IN A CHEMICAL INCINERATOR EQUIPPED WITH AN
    AFTERBURNER AND SCRUBBER. OBSERVE ALL FEDERAL, STATE AND LOCAL
    ENVIRONMENTAL REGULATIONS.

===================  MSDS Transport Information  ===================

Transport Information:CONTACT SIGMA CHEMICAL COMPANY FOR TRANSPORTATION
    INFORMATION.

=====================  Regulatory Information  =====================

SARA Title III Information:THIS PRODUCT IS SUBJECT TO SARA SECTION 313
    REPORTING REQUIREMENTS.
Federal Regulatory Information:EUROPEAN INFORMATION: CAUTION: SUBSTANCE
    NOT YET FULLY TESTED. TOXIC. R 23/24/25: TOXIC BY INHALATION, IN
    CONTACT WITH SKIN AND IF SWALLOWED. R 36/37/38: IRRITATING TO EYES,
    RESPIRATORY SYSTEM AND SKI N. S 45: IN CASE OF ACCIDENT OR IF YOU
    FEEL UNWELL, SEEK MEDICAL ADVICE IMMEDIATELY (SHOW THE LABEL WHERE
    POSSIBLE). S 26: IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY
    WITH PLENTY OF WATER AND SEEK  MEDICAL ADVICE. S 36: WEAR SUITABLE
    PROTECTIVE CLOTHING. S 22: DO NOT BREATHE DUST. TLV AND SOURCE: 
    FOR ETHYL ALCOHOL (ETHANOL): ACGIH TLV-TWA: 1000 PPM (1880 MG/M3).
    (OTHER INFORMATION)
State Regulatory Information:

=======================  Other Information  =======================

 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.