=====================  Product Identification  =====================

MSDS NAME:M330-2 2-MERCAPTOBENZOTHIAZOLE, 98%
NIIN:01-446-5529
MSDS Number: CFLJC
=== Responsible Party ===
Company:ALDRICH CHEMICAL CO INC./SUB OF SIGMA-ALDRICH CORP
Address:1001 W. ST. PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414-273-3850/FAX -4979
Emergency Phone Num:414-273-3850
CAGE:60928
=== Contractor Identification ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928

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

Name:2-MERCAPTOBENZOTHIAZOLE
CAS:149-30-4
RTECS #:DL6475000
Fraction by Wt: 98%
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:ORAL RAT LD50:100MG/KGACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:YES    IARC:UNKNOWN    OSHA:NO
Health Hazards Acute and Chronic:HARMFUL IF SWALLOWED/INHAL/ABSORBED
    THROUGH SKIN.MAY CAUSE ALLERGIC RESPIRATORY & SKIN
    REACTIONS.EXPOSURE CAN CAUSE:NAUSEA,HEADACHE,VOMITING.
Explanation of Carcinogenicity:PER MSDS:POSSIBLE CARC.TUMORIGENIC(CARC
    BY RTECS CRITERIA).NTP CARC STUDIES:SOME EVIDENCE:RAT;EQUIVOCAL
    EVIDENCE:MOUSE.
Effects of Overexposure:HARMFUL BY INHAL/INGEST/ABSORBED THROU
    SKIN.ALLERGIC RESPIRATORY & SKIN
    REACTIONS.NAUSEA,HEADACHE,VOMITING.
Medical Cond Aggravated by Exposure:NONE SPEC BY MFG.TARGET
    ORGANS:BEHAVIORAL,BLOOD,FERTILITY,EMBRYO/FETUS.

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

First Aid:IN CASE OF CONTACT IMMED FLUSH EYE/SKIN W/COPIOUS AMTS OF
    WATER FOR @LEAST 15MINS WHILE REMOVING CONTAM CLOTH/SHOES.ASSURE
    ADEQUATE FLUSHING OF EYES BY SEPARATING EYELIDS W/FINGERS.IF
    INHALED REMOVE T O FRESH AIR.IF NOT BREATHING GIVE ART RESP.IF
    BREATING DIFFIC GIVE OXYGEN.IF SWALLOWED WASH CUT MOUTH W/WATER
    PROVIDED PERSON IS CONSCIOUS.CALL PHYSICIAN.

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

Flash Point:NP
Lower Limits:NP
Upper Limits:NP
Extinguishing Media:WATER SPRAY.CARBON DIOXIDE, DRY CHEMICAL POWDER OR
    APPROPRIATE FOAM.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS &
    PROTECTIVE CLOTHING TO PREVENT CONTCT W/SKIN/EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS,RUBBER
    BOOTS,HEAVY RUBBER GLOVES.SWEEP UP, PLACE IN BAG & HOLD FOR WASTE
    DISPOSAL.AVOID RAISING DUST.VENTILATE AREA AND WASH SPILL SITE
    AFTER MATERIAL PICKUP IS  COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:DONT BREATHE DUST.AVOID PROLONG/REPEAT
    EXPO.DONT GET IN EYES/SKIN/CLOTHING.TOXIC.SENSITIZER.POSSIBLE
    CARCINOGEN.KEEP TIGHTLY CLOSED.
Other Precautions:STORE IN COOL DRY PLACE.

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN CHEMICAL FUME HOOD.
Protective Gloves:RUBBER GLOVES
Eye Protection:CHEM SAF GOGGLES
Other Protective Equipment:SAF SHOWER & EYE BATH.
Work Hygienic Practices:WASH CONTAM CLOTH BEFORE REUSE.WASH THOROUGHLY
    AFTER HNDLG.
Supplemental Safety and Health

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

HCC:T6
Boiling Pt:B.P. Text:NP
Melt/Freeze Pt:M.P/F.P Text:351F,177C
Decomp Temp:Decomp Text:NP
Vapor Pres:NP
Vapor Density:NP
Spec Gravity:NP
pH:NP
Evaporation Rate & Reference:NNP
Solubility in Water:NP
Appearance and Odor:UNPLEASANT ODOR,DULL-YELLOW POWDER
Percent Volatiles by Volume:NP
Corrosion Rate:NP

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

STRONG OXIDIZING AGENTS
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:TOXIC FUMES OF CARBON MONOXIDE, CARBON
    DIOXIDE, SULFUR OXIDES, NITROGEN OXIDES.

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

Waste Disposal Methods:OBSERVE ALL LOCAL, STATE AND FEDERAL ENVIRO
    REGULATIONS.DISSOLVE OR MIX MATL W/COMBUSTIBLE SOLVT & BURN IN
    CHEMICAL INCINERATOR EQUIPPED W/AFTERBURNER & SCRUBBER.PRODUCT SUBJ
    TO SARA SEC 313 REPORTING  REQMTS.

 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.

*** END OF RECORD ***