SPECTRUM CHEMICAL -- THIOUREA  -- 6810-00N046713
<pre>=====================  Product Identification  =====================

Product ID:THIOUREA
MSDS Date:11/05/1991
FSC:6810
NIIN:00N046713
=== Responsible Party ===
Company Name:SPECTRUM CHEMICAL
Address:14422 S SAN PEDRO ST
City:GARDENA
State:LA
ZIP:99851
Country:US
Info Phone Num:310-516-8000
Emergency Phone Num:310-516-8000;800-424-9300(CHEMTREC)
CAGE:63415
=== Contractor Identification ===
Company Name:SPECTRUM LABORATORY PRODUCTS INC
Address:14422 S SAN PEDRO ST
Box:City:GARDENA
State:CA
ZIP:90248-2027
Country:US
Phone:310-516-8000/FAX: 310-516-9843
CAGE:63415

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

Ingred Name:ING 10:ACT OF 1986 (PROP 65) PROHIBITS CONTAM ANY KNOWN
    SOURCE OF DRINKING WATER W/SUBSTANCES KNOWN TO CAUSE (ING 12)
RTECS #:9999999ZZ

Ingred Name:ING 11: CANCER AND/OR REPRODUCTIVE TOXICITY. OCCUP SPILL:
    DO NOT TOUCH SPILLED MATL. STOP LEAK IF YOU CAN DO IT (ING 13)
RTECS #:9999999ZZ

Ingred Name:ING 12: WITHOUT RISK, FOR SMALL SPILLS, TAKE UP WITH SAND
    OR OTHER ABSORBENT MATL & PLACE INTO CONTAINERS FOR (ING 14)
RTECS #:9999999ZZ

Ingred Name:ING 13:LATER DISPOSAL. FOR SML DRY SPILLS, W/A CLEAN SHOVEL
    PLACE MATL INTO CLEAN, DRY CNTNR & COVER. MOVE CNTNRS(ING15)
RTECS #:9999999ZZ

Ingred Name:ING 14: FROM SPILL AREA. FOR LRG SPILLS, DIKE FAR AHEAD OF
    SPILL FOR LATER DISPOSAL. KEEP UNNEC PEOPLE AWAY. (ING 16)
RTECS #:9999999ZZ

Ingred Name:ING 15: ISOLATE HAZARD AREA AND DENY ENTRY. REPORTABLE
    QUANTITY 10 LBS.
RTECS #:9999999ZZ

Ingred Name:WASTE DISP: DISTRICT DIRECTOR OF THE ENVIRONMENTAL
    PROTECTION AGENCY.
RTECS #:9999999ZZ

Ingred Name:OTHER PROT EQUIP: WASH FACILITIES: WHERE THERE IS ANY
    POSSIBILITY THAT AN EMPLOYEE'S EYES &/OR SKIN MAY BE (ING 19)
RTECS #:9999999ZZ

Ingred Name:ING 18:EXPOSED TO THIS SUBSTANCE, THE EMPLOYER SHOULD
    PROVIDE AN EYE WASH FOUNTAIN & QUICK DRENCH SHOWER WITHIN (ING 20)
RTECS #:9999999ZZ

Ingred Name:ING 19: THE IMMEDIATE WORK AREA FOR EMERGENCY USE.
RTECS #:9999999ZZ

Ingred Name:EXPLAN OF CARCIN: ANTICIPATED TO BE CARCINOGEN .
RTECS #:9999999ZZ

Ingred Name:UREA, 2-THIO-; (THIOUREA)  (SARA III)
CAS:62-56-6
RTECS #:YU2800000
Fraction by Wt: 100%
OSHA PEL:N/K 
ACGIH TLV:N/K 
EPA Rpt Qty:10 LBS
DOT Rpt Qty:10 LBS

Ingred Name:SUPP DATA: THE LETHAL DOSE REPORTED IN RATS IS 125 MG/KG.
    CHRONIC: FATIGUE, WEAKNESS, IMPOTENCE, AND HEADACHE (ING 3)
RTECS #:9999999ZZ

Ingred Name:ING 2: MAY OCCUR. TOXIC PSYCHOSIS, HEPATITIS, CNS DEPRESS,
    BONE MARROW DEPRESSION W/ANEMIA, LEUKOPENIA, & (ING 4)
RTECS #:9999999ZZ

Ingred Name:ING 3:THROMBOCYTOPENIA MAY OCCUR. IN ANIMALS, THYROID &
    LIVER TUMORS HAVE OCCURED AFTER ADMIN IN FOOD OR DRINKING WATER.
RTECS #:9999999ZZ

Ingred Name:FIRST AID PROC: OF WATER OR NORMAL SALINE OCCASIONALLY
    LIFTING UPPER & LOWER LIDS, UNTIL NO EVIDENCE OF CHEM (ING 6)
RTECS #:9999999ZZ

Ingred Name:ING 5: REMAINS (FOR AT LEAST 15 MIN). GET MED ATTN IMMED.
    INGEST: TREAT SYMPTOMATICALLY & SUPPORTIVELY. GET MED (ING 7)
RTECS #:9999999ZZ

Ingred Name:ING 6: ATTN IMMED. IF VOMIT OCCURS, KEEP HEAD LOWER THAN
    HIPS TO PVNT ASPIRATION. ANTIDOTE: NO SPECIFIC ANTIDOTE.(ING 8)
RTECS #:9999999ZZ

Ingred Name:ING 7: TREAT SYMPTOMATICALLY AND SUPPORTIVELY.
RTECS #:9999999ZZ

Ingred Name:SPILL PROC: USE SECTION HOSES TO REMOVE TRAPPED SPILL
    MATERIAL. USE MECHANICAL DREDGES OR LIFTS TO EXTRACT (ING 10)
RTECS #:9999999ZZ

Ingred Name:ING 9:IMMOBILIZED MASSES OF POLLUTION AND PRECIPITATES. THE
    CALIFORNIA SAFETY DRINKING WATER & TOXIC INFORCEMENT(ING 11)
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:NO
Health Hazards Acute and Chronic:INHAL: ACUTE: THE DUST MAY BE IRRIT TO
    THE NOSE & THROAT AND MAY CAUSE COUGHING OR DIFFICULTY IN BREATHING
    IF IN LARGE CONCS. CHRONIC: BONE MARROW DEPRESS W/ANEMIA,
    LEUKOPENIA, AND THROMBOCYTOPENIA MA Y OCCUR. BY ANALOGY TO THE EFTS
    REPORTED IN ANIMALS, AN INCR INCIDENCE OF THYROID & LIVER TUMORS IS
    (EFTS OF OVEREXP)
Explanation of Carcinogenicity:THIOUREA: IARC MONOGRAPHS, SUPPLEMENT,
    VOL 7, PG 56, 1987: GRP 2B. NTP 6TH ANNUAL REPORT ON CARCIN, 1991:
    (ING 21)
Effects of Overexposure:HLTH HAZ:ASSOCIATED W/EXPOSURE TO THE
    SUBSTANCE. SKIN: THIOUREA: IRRIT. ACUTE: CNTCT W/SUBSTANCE MAY
    CAUSE IRRIT. ALLERGIC SKIN RXNS MAY OCCUR. EYE: THIOUREA: IRRIT.
    ACUTE: PARTICLES IN THE EYE MAY CA USE LACRIMATION & IRRIT. INGEST:
    THIOUREA: ACUTE: INGEST OF SMALL AMTS OF THIOUREA MAY CAUSE
    FLUSHING, (SUPP DATA)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:INHAL:REMOVE FROM EXPOSURE AREA TO FRESH AIR IMMED. IF BRTHG
    HAS STOPPED, PERFORM ARTF RESP. KEEP PERSON WARM & AT REST. TREAT
    SYMPTOMATICALLY & SUPPORTIVELY. GET MED ATTN IMMED. SKIN: REMOVE
    CONTAM C LTHG & SHOES IMMED. WASH AFFECTED AREA W/SOAP OR MILD
    DETERGENT & LARGE AMTS OF WATER UNTIL NO EVIDENCE OF CHEM REMAINS
    (APPROX 15-20 MIN). GET MED ATTN IMMED. EYE: WASH IMMED W/LRG AMTS
    (ING 5)

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

Extinguishing Media:DRY CHEMICAL, CARBON DIOXIDE, WATER SPRAY OR
    REGULAR FOAM. LRG FIRES: USE WATER SPRAY, FOG OR REGULAR FOAM.
Fire Fighting Procedures:MOVE CONTAINER FROM AREA IF YOU CAN DO IT
    WITHOUT RISK. WEAR NIOSH/MSHA APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:NEGLIGIBLE FIRE HAZARD WHEN EXPOSED TO
    HEAT OR FLAME.

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

Spill Release Procedures:DIG HOLDING AREA SUCH AS LAGOON, POND OR PIT
    FOR CONTAINMENT. USE PROT COVER SUCH AS A PLASTIC SHEET TO PVNT
    MATL FROM DISSOLVING IN FIRE EXTING WATER OR RAIN. WATER SPILL: USE
    ACTIVATED CARBON TO ABS ORB SPILLED SUBSTANCE THAT DISSOLVED. (ING
    9)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE AWAY FROM INCOMPATIBLE
    SUBSTANCES.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:THE SPECIFIC RESP SELECTED MUST BE BASED ON
    CONTAM LEVELS FOUND IN THE WORK PLACE, MUST BE BASED ON THE
    SPECIFIC OPERATION, MUST NOT EXCEED THE WORKING LIMITS OF THE RESP
    AND MUST BE NIOSH/MSHA APPROV ED. FOR MORE INFO CNTC NEHC .
Ventilation:PROVIDE LOCAL EXHAUST OR PROCESS ENCLOSED VENTILATION
    SYSTEM.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:SPLASH-PROOF/DUST-RESISTANT SFTY GOGG.
Other Protective Equipment:WEAR APPROP PROT (IMPERVIOUS) CLTHG & EQUIP
    TO PREVENT ANY POSIBILITY OF SKIN CONTACT WITH THIS SUBSTANCE.
    EMERG(ING 18)
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
APPEAR & ODOR: NEEDLES, PRISMS, OR RHOMBOHEDRAL CRYSTALS WITH A BITTER
    TASTE. EFTS OF OVEREXP: SWEATING, TACHYCARDIA, BREATHLESSNESS,
    HYPERVENTILATION, HYPOTENSTION, NAUSEA, VOMITING, AND DROWSINESS. 
    LARGE AMTS MAY CAUSE SEVERE HYPOTENTION, CARDIAC ARRHYTHMIAS,
    DYSPNEA, & CHEST PAIN OR CARDIAC INFARCTION. (ING 2)

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

HCC:T6
Boiling Pt:B.P. Text:DECOMPOSES
Melt/Freeze Pt:M.P/F.P Text:>349F,>176C
Spec Gravity:1.405
Solubility in Water:SOLUBLE
Appearance and Odor:ODORLESS, ALMOST COLORLESS TO WHITE, LUSTROUS,
    CRYSTALLINE POWDER, (SUPP DATA)

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

Stability Indicator/Materials to Avoid:YES
ACRYLADEHYDE: VIOLENT EXOTHERMIC POLYMERIZATION. HYDROGEN PEROXIDE AND
    NITRIC ACID: FORMATION OF HAZ PEROXIDE.
Stability Condition to Avoid:MAY BURN BUT DOES NOT IGNITE READILY. PVNT
    DISPERSION OF DUST IN AIR. DO NOT ALLOW SPILLED MATL TO CONTAM
    WATER SOURCES.
Hazardous Decomposition Products:THERMAL DECOMP PRODUCTS MAY INCLUDE
    TOXIC OXIDES OF CARBON, NITROGEN AND SULFUR.

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

Waste Disposal Methods:DISPOSAL MUST BE IN ACCORDANCE WITH STDS
    APPLICABLE TO GENERATORS OF HAZARDOUS WASTE, 40CFR 262. EPA
    HAZARDOUS WASTE NUMBER U219. OBSERVE ALL FEDERAL, STATE & LOC REGS
    WHEN STORING OR DISPOSING OF THI S SUBSTANCE. FOR ASSISTANCE, CNTCT
    THE(ING 17)

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