SIGMA CHEMICAL COMPANY -- T2271 TRYPSIN TYPE XII-S FROM BOVINE PANCREAS  -- 6550-00F054138
<pre>=====================  Product Identification  =====================

Product ID:T2271 TRYPSIN TYPE XII-S FROM BOVINE PANCREAS
MSDS Date:05/19/1997
FSC:6550
NIIN:00F054138
=== 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:TRYPSIN	       *97-2*
CAS:9002-07-7
RTECS #:YN5075000

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

LD50 LC50 Mixture:ORAL LD50(RAT): >5 GM/KG
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:HARMFUL IF INGESTED, INHALED/ABSORBED
    THROUGH THE SKIN. EYES/SKIN: IRRITATION. INHALATION: IRRITATING TO
    MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT. MAY CAUSE ALLERGIC
    RESPIRATORY & SKIN REACTIONS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION.

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

First Aid:EYES: FLUSH W/COPIOUS AMOUNTS OF WATER FOR 15 MINS. SKIN:
    WASH W/SOAP & COPIOUS AMOUNTS OF WATER. INHALATION: REMOVE TO FRESH
    AIR. GIVE CPR/OXYGEN IF NEEDED. INGESTION: WASH OUT MOUTH W/WATER
    IF CONSC IOUS. OBTAIN MEDICAL ATTENTION IN ALL CASES.

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

Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL POWDER/APPROPRIATE
    FOAM.
Fire Fighting Procedures:WEAR SCBA & PROTECTIVE CLOTHING.

==================  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 & WASH SITE
    AFTER MATERIAL PICKUP I S COMPLETE.

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

Handling and Storage Precautions:STORE IN A COOL DRY PLACE. STORE AWAY
    FROM HEAT. KEEP TIGHTLY CLOSED.
Other Precautions:AVOID PROLONGED/REPEATED EXPOSURE. DON'T GET IN EYES,
    SKIN/CLOTHING. DON'T BREATHE DUST.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER & EYE
    BATH.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

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

Appearance and Odor:WHITE POWDER

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

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:HEAT.

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

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

 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.