MALLINCKRODT -- THIOUREA  -- 6810-00F004222
<pre>=====================  Product Identification  =====================

Product ID:THIOUREA
MSDS Date:01/01/1987
FSC:6810
NIIN:00F004222
=== Responsible Party ===
Company Name:MALLINCKRODT/PARIS, KY 40361
Emergency Phone Num:(314) 982-5000
CAGE:EO822
=== Contractor Identification ===
Company Name:MALLINCKRODT SPECIALTY CHEMICALS CO
Address:222 RED SCHOOL LANE
Box:City:PHILLIPSBURG
State:NJ
ZIP:08865
Country:US
Phone:908-859-2151
CAGE:62910
Company Name:MALLINCKRODT/PARIS, KY 40361
CAGE:EO822

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

Ingred Name:THIOUREA  (SARA III)
CAS:62-56-6
RTECS #:YU2800000
Fraction by Wt: 100%
EPA Rpt Qty:10 LBS
DOT Rpt Qty:10 LBS

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

Effects of Overexposure:SKIN/EYE: MAY CAUSE IRRITATION/ALLERGIC SKIN
    ERUPTIONS.

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

First Aid:INHALATION: REMOVE TO FRESH AIR. INGESTION: IF SWALLOWED,
    INDUCE VOMITING. GIVE 2 GLASSES OF WATER. SKIN: REMOVE ANY
    CONTAMINATED CLOTHING. EYE/SKIN: WASH W/WATER FOR AT LEAST 15
    MINUTES. IF IRRITATIO N DEVELOPS, GET MEDICAL ATTENTION.

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

Extinguishing Media:WATER SPRAY, DRY CHEMICAL, ALCOHOL FOAM OR CO2
Fire Fighting Procedures:AS W/MOST ORGANIC SOLIDS, FIRE IS POSSIBLE AT
    ELEVATED TEMPS
Unusual Fire/Explosion Hazard:IN THE PRESENCE OF AN IGNITION SOURCE IS
    A POTENTIAL DUST EXPLOSION HAZARD.

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

Spill Release Procedures:VENTILATE AREA OF LEAK OR SPILL. CLEAN-UP
    PERSONNEL MAY REQUIRE RESP PROTECTION FROMUST. SWEEP
    UP/CONTAINERIZE FOR RECLAMATION OR DISPOSAL. VACUUMING OR
    WETWEEPING MAY BE USED TO AVOID DUST DISPERSAL.

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

Handling and Storage Precautions:KEEP IN A TIGHTLY CLOSED CONTAINER.
    STORE IN A COOL, DRY, VENTILATED AREA AWAY FROM SOURCES OFEAT OR
    IGNITION. WASH THOROUGHLY AFTER HANDLING.
Other Precautions:DON'T GET IN EYES/ON SKIN/ON CLOTHING. DON'T BREATHE
    DUST. KEEP CONTAINER CLOSED. KEEP AWAY FROM HEAT/SPARKS/FLAME. WASH
    HAN BEFORE EATING/DON'T EAT/DRINK/SMOKE IN WORKPLACE.

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

Respiratory Protection:A SUPPLIED AIR/FULL FACEPIECE RESP/AIRLINED
    HOOD/SCBA IS RECOMMENDED
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION TO KEEP BELOW TLV.
Protective Gloves:PROTECTIVE
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:MAINTAIN EYEWASH/QUICK-DRENCH/CLEAN
    BODY-COVERING CLOTHING.
Supplemental Safety and Health
MSDS DATE: 30 AUG 1985. MOLECULAR WEIGHT: 76.12. MELTING POINT:
    175-177C (347-350F). CONTACT LENSES SHOULDN'T BE WORN WHENORKING
    WITH THIS MATERIAL.

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

Boiling Pt:B.P. Text:302-320F
Vapor Density:1.41
Solubility in Water:SOLUBLE
Appearance and Odor:WHITE CRYSTALS ODORLESS

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

Stability Indicator/Materials to Avoid:YES
ACROLEIN/ACRYLALDEHYDE/HYDROGEN PEROXIDE/OXIDIZING AGENTS.
Stability Condition to Avoid:CONTACT W/NITRIC ACID
Hazardous Decomposition Products:EMITS TOXIC OXIDES OF NITROGEN/SULFUR
    WHEN HEATED TO DECOMP.

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

Waste Disposal Methods:WHATEVER CAN'T BE SAVED FOR RECLAMATION MAY
    DELIVERED TO A RCRA APPROVED WASTE DISPOSAL FACILITY. ENSURE
    COMPLIANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS.

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 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
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 particular situation.