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

Product ID:SAMPLE BUFFER LAEMMLI 2X CONCENTRATE, S3401
MSDS Date:01/01/1999
FSC:6550
NIIN:00N093170
Status Code:A
MSDS Number: CJXHF
=== Responsible Party ===
Company Name: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 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:SODIUM DODECYL SULFATE
CAS:151-21-3
RTECS #:WT1050000
= Wt:4.

Ingred Name:GLYCEROL
CAS:56-81-5
RTECS #:MA8050000
= Wt:10.
OSHA PEL:15 MG/M3
ACGIH TLV:10 MG/M3

Ingred Name:2-MERCAPTOETHANOL
CAS:60-24-2
RTECS #:KL5600000
= Wt:10.

Ingred Name:TRIZMA BASE
CAS:77-86-1
RTECS #:TY2900000
= Wt:1.5

Ingred Name:WATER
CAS:7732-18-5
RTECS #:ZC0110000
Fraction by Wt: BALANCE

=====================  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: MAY BE FATAL IF INHALED,
    ABSORBED THROUGH SKIN. HARMFUL IF SWALLOWED. CAUSES SEVERE
    IRRITATION. HIGH CONCENTRATIONS ARE EXTREMELY DESTRUCTIVE TO
    TISSUES OF THE MUCOUS MEMBRANES AND UPPER RESPIR ATORY TRACT, EYES
    AND SKIN. SYMPTOMS OF EXPOSURE MAY INCLUDE BURNING SENSATION,
    COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE,
    NAUSEA AND VOMITING. PROLONGED OR REPEATED EXPOSURE MAY C AUSE:
    CENTRAL NERVOUS SYSTEM STIMULATION; MAY CAUSE ALLERGIC RESPIRATORY
    REACTION.
Effects of Overexposure:SEE HEALTH HAZARDS.

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

First Aid:INGESTION: WASH OUT MOUTH WITH WATER PROVIDED PERSON IS
    CONSCIOUS. CALL MD. SKIN: FLUSH WITH COPIOUS AMOUNTS OF WATER FOR
    AT LEAST 15 MINUTES. REMOVE CONTAMINATED CLOTHING AND SHOES. CALL
    MD. INHALATI ON: REMOVE TO FRESH AIR. IF BREATHING BECOMES
    DIFFICULT, CALL MD. EYES: FLUSH WITH COPIOUS AMOUNTS OF WATER FOR
    AT LEAST 15 MINUTES. ASSURE ADEQUATE FLUSHING BY SEPARATING THE
    EYELIDS WITH FINGERS. CA LL MD.

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

Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL POWDER, APPROPRIATE
    FOAM, OR WATER SPRAY.
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:EVACUATE AREA. WEAR NIOSH APPROVED
    SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY RUBBER
    GLOVES. COVER WITH AN ACTIVATED CARBON ADSORBENT, TAKE UP AND PLACE
    IN CLOSED CONTAINERS. TRANSPORT  OUTDOORS. VENTILATE AREA AND WASH
    SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent:ACTIVATED CARBON ADSORBENT.

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

Handling and Storage Precautions:IN CASE OF ACCIDENT OR IF YOU FEEL
    UNWELL, SEEK MEDICAL ADVICE IMMEDIATELY (SHOW LABEL WHERE
    POSSIBLE). TAKE OFF IMMEDIATELY ALL CONTAMINATED CLOTHING.
Other Precautions:HIGHLY TOXIC (U.S.A.). TOXIC (EU). TOXIC BY
    INHALATION, IN CONTACT WITH SKIN AND IF SWALLOWED. MAY CAUSE
    SENSITIZATION BY INHALATION. STENCH. CAUTION: SUBSTANCE NOT YET
    FULLY TESTED.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES AND FULL LENGTH
    FACESHIELD .
Other Protective Equipment:EYE WASH AND DELUGE SHOWER MEETING ANSI
    DESIGN CRITERIA . WEAR SUITABLE OTHER PROTECTIVE CLOTHING.
Supplemental Safety and Health

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

Appearance and Odor:LIQUID; ODOR: STENCH.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS. AVOID CONTACT WITH METALS.
Hazardous Decomposition Products:TOXIC FUMES OF: CARBON MONOXIDE,
    CARBON DIOXIDE, NITROGEN OXIDES, SULFUR OXIDES.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

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

Ecological:DATA NOT YET AVAILABLE.

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

Waste Disposal Methods:DISSOLVE OR MIX THE MATERIAL WITH A COMBUSTIBLE
    SOLVENT AND BURN IN A CHEMICAL INCINERATOR EQUIPPED WITH AN
    AFTERBURNER AND SCRUBBER. OBSERVE ALL FEDERAL, STATE AND LOCAL
    ENVIRONMENTAL REGULATIONS.

===================  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. TOXIC; R 23/24/25 - TOXIC BY INHALATION, IN
    CONTACT WITH SKIN AND IF SWALLOWED. R 42 - MAY CAUSE SENSITIZATION
    BY INHALATION. S 45 - IN C ASE OF ACCIDENT OR IF YOU FEEL UNWELL,
    SEEK MEDICAL ADVICE IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE). S
    26 - IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF
    WATER AND SEEK MEDICAL ADV ICE. S 27 - TAKE OFF IMMEDIATELY ALL
    CONTAMINATED CLOTHING. S 36/37/39 - WEAR SUITABLE PROTECTIVE CL
    OTHING, GLOVES AND EYE/FACE PROTECTION.

 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.