ONCOR INC -- TRIS  -- 6810-00F048685
<pre>=====================  Product Identification  =====================

Product ID:TRIS
MSDS Date:03/01/1989
FSC:6810
NIIN:00F048685
=== Responsible Party ===
Company Name:ONCOR INC
Address:209 PERRY PKY SUITE 7
City:GAITHERSBURG
State:MD
ZIP:20877-5000
Country:US
Info Phone Num:301-963-3500/800-776-6267
Emergency Phone Num:301-963-3500/800-776-6267
CAGE:016E9
=== Contractor Identification ===
Company Name:ONCOR INC
Address:209 PERRY PKY SUITE 7
City:GAITHERSBURG
State:MD
ZIP:20877-5000
Country:US
Phone:301-963-3500/800-776-6267
CAGE:016E9

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

Ingred Name:1,3-PROPANEDIOL , 2-AMINO-2-(HYDROXYMETHYL), TROMETHAMINE
CAS:77-86-1
RTECS #:TY2900000

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

LD50 LC50 Mixture:ORAL LD50(RAT): 5900 MG/KG
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:CAUSES EYE & SKIN IRRITATION. MATERIAL
    IS IRRITATING TO MUCOUS MEMBRANES & UPPER RESPIRTORY TRACT.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:CAUSES EYE & SKIN IRRITATION. MATERIAL IS
    IRRITATING TO MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT.

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

First Aid:EYES/SKIN: IMMEDIATELY FLUSH W/COPIOUS AMOUNTS OF WATER FOR
    15 MINS. INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF
    NECESSARY. OBTAIN MEDICAL ATTENTION IN ALL CASES.

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

Extinguishing Media:CO2, DRY CHEMICAL POWDER, ALCOHOL/POLYMER FOAM
Fire Fighting Procedures:WEAR SELF CONTAINED BREATHING APPARATUS &
    PROTECTIVE CLOTHING TO PREVENT CONTACT W/SKIN & EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:WEAR RESPIRATOR, CHEMICAL SAFETY GOGGLES,
    RUBBER BOOTS & HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A BAG & HOLD
    FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA & WORK SITE
    AFTER MATERIAL PICKUP I S COMPLETE.

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

Handling and Storage Precautions:KEEP CONTAINER CLOSED. USE W/ADEQUATE
    VENTILATION. HYGROSCOPIC. PROTECT FROM MOISTURE. STORE IN A COOL,
    DRY PLACE.
Other Precautions:DON'T BREATHE DUST. DON'T GET IN EYES, ON SKIN/ON
    CLOTHING.

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

Respiratory Protection:MASK
Ventilation:USE W/ADEQUATE VENTILATION
Protective Gloves:RUBBER/VINYL
Eye Protection:CHEMICAL SAFETY GOGGLES
Other Protective Equipment:LABORATORY COAT
Supplemental Safety and Health

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

Boiling Pt:B.P. Text:426.2-428F
Melt/Freeze Pt:M.P/F.P Text:340-342.14F
Solubility in Water:COMPLETE
Appearance and Odor:WHITE CRYSTALS, ODORLESS

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

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS, ACIDS
Stability Condition to Avoid:MOISTURE
Hazardous Decomposition Products:BY THERMAL DECOMPOSITION: CO, CO2,
    NITROGEN OXIDE

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

Waste Disposal Methods:DISSOLVE/MIX THE MATERIAL W/A COMBUSTIBLE
    SOLVENT & BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AN AFTER BURNER
    & SCRUBBER. DISPOSE OF IN ACCORDANCE W/LOCAL, STATE & FEDERAL
    REGULATIONS.

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 of Defense.  The United States of America in no manner whatsoever,
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 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.