SIGMA CHEMICAL COMPANY -- B2883 BISBENZIMIDE HOECHST NO 33258 TRIHYDROCHLORIDE  -- 6550-00F054177
<pre>=====================  Product Identification  =====================

Product ID:B2883 BISBENZIMIDE HOECHST NO 33258 TRIHYDROCHLORIDE
MSDS Date:05/19/1997
FSC:6550
NIIN:00F054177
=== Responsible Party ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:SAINT LOUIS
State:MO
ZIP:63178-5000
Country:US
Info Phone Num:314-771-5765/800-325-3010
Emergency Phone Num:314-771-5765/800-325-3010
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:BISBENZIMIDE
CAS:23491-45-4
RTECS #:SM1140500

Ingred Name:ACETONE; DIMETHYL KETONE; 2-PROPANONE   *97-2*
CAS:67-64-1
RTECS #:AL3150000
OSHA PEL:2400 MG/CUM
ACGIH TLV:750 PPM
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

=====================  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:MAY BE HARMFUL BY INHALATION,
    INGESTION/SKIN ABSORTION. MAY CAUSE EYE & SKIN IRRITATION. MAY BE
    IRRITATING TO MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION

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

First Aid:EYES/SKIN: FLUSH W/COPIOUS AMOUNTS OF WATER FOR 15 MINS.
    INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING GIVE CPR. IF
    BREATHING IS DIFFICULT GIVE OXYGEN. INGESTION: IF CONSCIOUS WASH
    OUT MOUTH W/WAT ER. OBTAIN MEDICAL ATTENTION IN ALL CASES.

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

Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL POWDER/APPROPRIATE
    FOAM
Fire Fighting Procedures:WEAR SCBA & FULL PROTECTIVE GEAR TO PREVENT
    CONTACT W/SKIN & EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:WEAR FULL PROTECTIVE GEAR. SWEEP UP & PLACE IN
    A BAG & HOLD FOR DISPOSAL. AVOID RAISING DUST. VENTILATE AREA &
    WASH SITE AFTER PICKUP.

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

Handling and Storage Precautions:KEEP TIGHTLY CLOSED. STORE IN A COOL
    DRY PLACE.

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR
Ventilation:MECHANICAL EXHAUST REQUIRED
Protective Gloves:COMPATIBLE CHEMICAL RESISTANT
Eye Protection:CHEMICAL SAFETY GOGGLES
Work Hygienic Practices:REMOVE/LAUNDER CONTAMIANTED CLOTHING BEFORE
    REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

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

Melt/Freeze Pt:M.P/F.P Text:>572F
Appearance and Odor:GOLD POWDER

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS
Hazardous Decomposition Products:THERMAL: CO, CO2, NITROGEN OXIDES,
    HYDROGEN CHLORIDE GAS.

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

Waste Disposal Methods:DISSOLVE/MIX W/COMBUSTIBLE SOLVENT & BURN IN
    CHEMICAL INCINERATOR EQUIPPED W/AN AFTERBURNER & SCRUBBER. DISPOSE
    OF IAW/FEDERAL, STATE & LOCAL 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
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