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

MSDS NAME:T4128, TRIZMA PRE-SET PH CRYSTALS REAGENT (SUPDAT)
NIIN:00N093220
Status Code:A
MSDS Number: CJWSK
=== Responsible Party ===
Company:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:314-771-5765
Emergency Phone Num:314-771-5765
CAGE:21076
=== Contractor Identification ===
Company: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  =============

Name:TRIZMA PRE-SET PH CRYSTALS REAGENT

=====================  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:ACUTE EFFECTS: MAY BE HARMFUL BY
    INHALATION, INGESTION, OR SKIN ABSORPTION. CAUSES EYE AND SKIN
    IRRITATION. MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER
    RESPIRATORY TRACT.
Effects of Overexposure:SEE HEALTH HAZARDS.

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

First Aid:IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED PERSON IS
    CONSCIOUS. CALL A PHYSICIAN. IN CASE OF SKIN CONTACT, FLUSH WITH
    COPIOUS AMOUNTS OF WATER FOR AT LEAST 15 MINUTES. REMOVE
    CONTAMINATED CLOTHI NG AND SHOES. CALL A PHYSICIAN. IF INHALED,
    REMOVE TO FRESH AIR. IF BREATHING BECOMES DIFFICULT, CALL A
    PHYSICIAN. IN CASE OF CONTACT WITH EYES, FLUSH WITH COPIOUS AMOUNTS
    OF WATER FOR AT LEAST 15 MIN UTES. ASSURE ADEQUATE FLUSHING BY
    SEPARATING THE EYELIDS WITH FINGERS. CALL A PHYSICIAN.

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

Extinguishing Media:WATER SPRAY. CARBON DIXODIE, DRY CHEMCIAL POWDER OR
    APPROPRIATE FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:WEAR NIOSH APPRVD RESPIRATOR, CHEMICAL SAFETY
    GOGGLES, RUBBER BOOTS AND HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A
    BAG AND HOLD FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA
    AND WASH SPILL SIT E AFTER MATERIAL PICKUP IS COMPLETE.

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

Respiratory Protection:NIOSH-APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:COMPATIBLE CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:EYE WASH & DELUGE SHOWER MEETING ANSI DESIGN
    CRITERIA .
Supplemental Safety and Health
MFR TRADE NAME/PART NO: GRADE TRIZMA 7.5.

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

Boiling Pt:>219.C, 426.2F
B.P. Text:219C TO 220 C/10MM
Melt/Freeze Pt:>171.2C, 340.2F
M.P/F.P Text:171.2 C TO 172.3 C
Appearance and Odor:SOLID.

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

Stability Indicator/Materials to Avoid:YES
BASES.
Hazardous Decomposition Products:THERMAL DECOMPOSITION MAY PRODUCE
    CARBON MONOXIDE, CARBON DIOXIDE, AND NITROGEN OXIDES.

===================  Toxicological Information	===================

Toxicological Information:ACUTE EFFECTS: MAY BE HARMFUL BY INHALATION,
    INGESTION, OR SKIN ABSORPTION. CAUSES EYE AND SKIN IRRITATION.
    MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER RESPIRATORY
    TRACT.

=====================  Ecological Information  =====================

Ecological:DATA NOT YET AVAILABLE.

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

Waste Disposal Methods:MATERIAL SHOULD BE IGNITED IN PRESENCE OF SODIUM
    CARBONATE & SLAKED LIME (CALCIUM HYDROXIDE). THE SUBSTANCE SHOULD
    BE MIXED W/ VERMICULITE & THEN W/ DRY CAUSTICS, WRAPPED IN PAPER &
    BURNED IN CHEM INC INERATOR EQUIPPED/AFTERBURNER & SCRUBBER.
    OBSERVE ALL FEDERAL, STATE & LOCAL ENVIRONMENTAL REGULATIO NS.

===================  MSDS Transport Information  ===================

Transport Information:CONTACT SIGMA CHEMICAL COMPANY FOR TRANSPORTATION
    INFORMATION.

=====================  Regulatory Information  =====================

Federal Regulatory Information:EUROPEAN INFORMATION. CAUTION: SUBSTANCE
    NOT YET FULLY TESTED. IRRITANT R 36/37/38 IRRITATING TO EYES,
    RESPIRATORY SYSTEM AND SKIN. S 26 IN CASE OF CONTACT WITH EYES,
    RINSE IMMEDIATELY WITH PLENTY OF  WATER AND SEEK MEDICAL ADVICE. S
    36 WEAR SUITABLE PROTECTIVE CLOTHING.

=======================  Other Information  =======================

 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.

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