SIGMA CHEMICAL CO -- GUANINE SIGMA GRADE, G0381  -- 6505-00N092715
<pre>=====================  Product Identification  =====================

Product ID:GUANINE SIGMA GRADE, G0381
MSDS Date:07/01/1999
FSC:6505
NIIN:00N092715
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:314-71-5765
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:GUANINE SIGMA GRADE
CAS:73-40-5
RTECS #:MF8260000
= Wt:100.
Other REC Limits:N/K 
OSHA PEL:N/K 
OSHA STEL:N/K 
ACGIH TLV:N/K 
ACGIH STEL:N/K 

=====================  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: MAY BE HARMFUL BY INHALATION,
    INGESTION, OR SKIN ABSORPTION. CAUSES EYE AND SKIN IRRITATION.
    MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER RESPIRATORY
    TRACT. TO THE BEST OF MANUFACTURER' S KNOWLEDGE, THE CHEMICAL,
    PHYSICAL, AND 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: IMMEDIATELY WASH 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 WASTE DISPOSAL. AVOID RAISING DUST.
    VENTILATE AREA AND WASH SPILL S ITE AFTER MATERIAL PICKUP IS
    COMPLETE.

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

Handling and Storage Precautions:DO NOT BREATHE DUST. AVOID CONTACT
    WITH EYES, SKIN AND CLOTHING. IRRITANT. KEEP TIGHTLY CLOSED. STORE
    IN A COOL DRY PLACE.

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

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

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

Melt/Freeze Pt:>300.C, 572.F
Appearance and Odor:OFF-WHITE POWDER.

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

STRONG OXIDIZING AGENTS.
Hazardous Decomposition Products:TOXIC FUMES OF CARBON MONOXIDE, CARBON
    DIOXIDE, NITROGEN OXIDES.

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

Toxicological Information:RTECS NUMBER: MF8260000, GUANINE. TARGET
    ORGAN DATA: SKIN AND APPENDAGES (TUMORS); TUMORIGENIC EFFECTS
    (OVARIAN TUMORS); TUMORIGENIC (EQUIVOCAL TUMORIGENIC AGENT BY RTECS
    CRITERIA). ONLY SELECTED REGI STRY OF TOXIC EFFECTS OF CHEMICAL
    SUBSTANCES (RTECS) DATA IS PRESENTED HERE. SEE ACTUAL ENTRY IN
    RTECS FOR COMPLETE INFORMATION.

=====================  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  =====================

Federal Regulatory Information:EUROPEAN INFORMATION: IRRITANT. R
    36/37/38: IRRITATING TO EYES, RESPIRATORY SYSTEM AND SKIN. S 26: IN
    CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF WATER
    AND SEEK MEDICAL ADVICE. S 36: W EAR SUITABLE PROTECTIVE CLOTHING.
    REVIEWS, STANDARDS, AND REGULATIONS: OEL = MAK. NOES 1983: HZD
    X2576; NIS 3; TNF 1778; NOS 3; TNE 4133; TFE 3339. EPA GENETOX
    PROGRAM 1988, INCONCLUSIVE: E COLI POLA  WITHOUT S 9. EPA GENETOX
    PROGRAM 1988, INCONCLUSIVE: D MELANOGASTER SEX-LINKED LETHAL. EPA
    TSCA SECT ION 8 (B) INVENTORY.
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.