SIGMA CHEMICAL CO -- 5-BROMOURACIL, B9155  -- 6505-00N092671
<pre>=====================  Product Identification  =====================

Product ID:5-BROMOURACIL, B9155
MSDS Date:01/01/1999
FSC:6505
NIIN:00N092671
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:5-BROMOURACIL
CAS:51-20-7
RTECS #:YQ9060000
Code:F
= Wt:100.

=====================  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. MAY CAUSE IRRITATION. CHRONIC: MAY ALTER
    GENTIC MATERIAL. TO THE BEST OF MANUFACTURER'S KNOWLEDGE, THE
    CHEMICAL, PHYSICAL, AND TOXICOLOG ICAL PROPERTIES HAVE NOT BEEN
    THOROUGHLY INVESTIGATED.
Effects of Overexposure:SEE HEALTH HAZARDS.

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

First Aid:IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN WITH
    COPIOUS AMOUNTS OF WATER FOR AT LEAST 15 MINUTES WHILE REMOVING
    CONTAMINATED CLOTHING AND SHOES. IF INHALED, REMOVE TO FRESH AIR.
    IF NOT BREATHI NG GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS
    DIFFICULT, GIVE OXYGEN. IF SWALLOWED, 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 APPRVD SCBA AND PROTECTIVE CLOTHING
    TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPRVD SCBA, RUBBER
    BOOTS AND HEAVY RUBBER GLOVES. WEAR DISPOSABLE COVERALLS AND
    DISCARD THEM AFTER USE. SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE
    DISPOSAL. AVOID RAISING D UST. VENTILATE AREA AND WASH SPILL SITE
    AFTER MATERIAL PICKUP IS COMPLETE.

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

Handling and Storage Precautions:DO NOT BREATHE DUST. DO NOT GET IN
    EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
    MUTAGEN. KEEP TIGHTLY CLOSED. STORE IN A COOL DRY PLACE.
Other Precautions:LABEL PRECAUTIONARY STATEMENTS: TOXIC. MAY CAUSE
    HERITABLE GENTIC DAMAGE. HARMFUL BY INHAL, IN CONT W/SKIN & IF
    SWALLOWED. IN CASE OF ACCIDENT/IF YOU FEEL UNWELL, SEEK MED ADVICE
    IMMED (SHOW LABEL WHE RE POSSIBLE). WEAR SUITABLE PROTECTIVE
    CLOTHING, GLOVES AND EYE/FACE PROTECTION. DO NOT BREATHE DUST .

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

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
    OTHER PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

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

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

=================  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, HYDROGEN BROMIDE GAS.

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

Toxicological Information:RTECS #:YQ9060000. URACIL, 5-BROMO-. TOXICITY
    DATA: IRP-RAT LD50:1700 MG/KG. PSEBBA 93,124,1956. IPR-MUS
    LD50:1400 MG/KG. PSEBAA 93,124,1956. TARGET ORGAN DATA: BEHAVIORAL
    (SOMNOLENCE). BEHAVIORAL (MU SCLE WEAKNESS). LUNGS, THORAX OR
    RESPIRATION (DYSPNAE). EFFECT ON NEWBORN (VIABILITY INDEX). ONLY
    SELECTED REGISTRY OF TOXIC EFFECTS OF CHEMICAL SUBSTANCES (RTECS)
    DATA IS PRESENTED HERE. SEE ACTUAL E NTRY 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 INFO: TOXIC. R 46. MAY CAUSE
    HERITABLE GENETIC DAMAGE. R 20/21/22. HARMFUL BY INHALATION, IN
    CONTACT WITH SKIN AND IF SWALLOWED. S 45. IN CASE OF ACCIDENT OR IF
    YOU FEEL UNWELL, SEEK MEDICAL  ADVICE IMMEDIATELY (SHOW THE LABEL
    WHERE POSSIBLE). S 36/37/39. WEAR SUITABLE PROTECTIVE CLOTHING,
    GLOVES AND EYE/FACE PROTECTON. S 22. DO NOT BREATHE DUST. REVIEWS,
    STANDARDS, AND REGULATIONS: OEL=MA K. EPA GENETOX PROGRAM 1988,
    NEGATIVE: S CEREVISIAE-HOMOZYGOSIS. EPA TSCA SECTION 8(B) CHEMICAL
    INVE NTORY.

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

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