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

MSDS NAME:PEPSIN, PORCINE STOMACH MUCOSA, 516360
NIIN:00N092958
Status Code:A
MSDS Number: CJWQL
=== Responsible Party ===
Company:CALBIOCHEM
Box:12087
City:LA JOLLA
State:CA
ZIP:92039-2087
Country:US
Info Phone Num:619-450-5558; 800-854-3417
Emergency Phone Num:202-783-7616
Resp. Party Other MSDS Num.:516360
Chemtrec Ind/Phone:(800)424-9300
CAGE:29089
=== Contractor Identification ===
Company:CALBIOCHEM
Box:12087
City:LA JOLLA
State:CA
ZIP:92039-2087
Country:US
Phone:619-450-5558; 800-854-3417
CAGE:29089

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

Name:PEPSIN
CAS:9001-75-6
RTECS #:SC6132000
= Wt:100.

=====================  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 HARMFUL BY INGESTION,
    INHALATION OR ABSORPTION THROUGH SKIN. MATERIAL MAY CAUSE
    IRRITATION TO THE EYES, SKIN, MUCOUS MEMBRANES, AND THE UPPER
    RESPIRATORY TRACT. EXPOSURE TO MATERIAL MAY  CAUSE SENSITIZATION.
Effects of Overexposure:SEE HEALTH HAZARDS.

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

First Aid:SKIN CONT: WASH IMMED W/COPIOUS AMOUNTS OF WATER FOR AT LST
    15 MINS. REMOVE CONTAMD CLOTHING AND SHOES AND WASH BEFORE WEARING.
    CONSULT PHYSICIAN. EYE CONT: FLUSH IMMED W/COPIOUS AMOUNTS OF WATER
    FOR  AT LST 15 MINS. ASSURE ADEQ FLUSHING BYSEPARATING EYELIDS
    W/FINGERS. CONSULT PHYSICIAN. INHAL: REMOVE TO FRESH AIR AND
    MONITOR BREATHING. IF BREATHNG BECOMES DFCLT, GIVE OXYG & CONSULT
    PHYS. IF BREATH ING STOPS, GIVE ARTF RESP AND CONSULT PHYS. INGEST:
    WASH MOUTH OUT WITH WATER AND CONSULT LOCAL POISON CENTER AND
    PHYSICIAN.

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

Extinguishing Media:WATER SPRAY.
Fire Fighting Procedures:WEAR NIOSH APPROVED SELF-CONTAINED BREATHING
    APPARATUS AND FULL PROTECTIVE CLOTHING TO PREVENT CONTACT WITH SKIN
    AND EYES.
Unusual Fire/Explosion Hazard:UPON THERMAL DECOMPOSITION, IT MAY EMIT
    TOXIC GASES.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPRVD RESPIRATOR,
    CHEMICAL SAFETY GOGGLES, RUBBER BOOTS, AND HEAVY RUBBER GLOVES.
    SWEEP UP AND PLACE IN A SUITABLE CONTAINER. AVOID RAISING DUST.
    HOLD FOR APPROPRIATE DISPOS AL. WASH SPILL SITE AND VENTILATE AREA
    AFTER MATERIAL PICKUP IS COMPLETE.

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

Handling and Storage Precautions:STORE IN A TIGHTLY CLOSED CONTAINER IN
    A -20C FREEZER. PROTECT FROM MOISTURE. MATERIAL IS AN IRRITANT. MAY
    CAUSE SENSITIZATION. AVOID CONTACT WITH MATERIAL. AVOID PROLONGED
    OR REPEATED EXPOSURE.
Other Precautions:LAB SHOULD BE EQUIPPED WITH SAFETY SHOWER AND AN EYE
    WASH STATION. WASH THOROUGHLY AFTER HANDLING MATERIAL.

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

Respiratory Protection:USE A NIOSH APPROVED RESPIRATOR.
Ventilation:HANDLE IN A CHEMICAL FUME HOOD WITH ADEQUATE VENTILATION.
Protective Gloves:CHEMICAL RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
    WEAR SUITABLE PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING MATERIAL.
Supplemental Safety and Health
COMPOSITION/INFORMATION ON INGREDIENTS: MOLECULAR FORMULA: 35,000.

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

Solubility in Water:N/K-SOLUBLE IN 10MM HCL
Appearance and Odor:LYOPHILIZED SOLID.

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

Stability Indicator/Materials to Avoid:YES
AVOID CONTACT WITH ALCOHOL, ALKALIS, TANNIS, AND SALTS OF HEAVY METALS.
Stability Condition to Avoid:STABLE UNDER NORMAL HANDLING PROCEDURES.
    AVOID CONTACT WITH ALCOHOL, ALKALIS, TANNINS, AND SALTS OF HEAVY
    METALS.
Hazardous Decomposition Products:UPON THERMAL DECOMPOSITION, MAY EMIT
    TOXIC GASES INCLUDING CARBON MONOXIDE AND CARBON DIOXIDE.

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

Toxicological Information:RTECS NUMBER: SC6132000. GENETIC DATA AND
    REFERENCES: FBR; HAM; DOSE: 1000 PPM DNA DAMAGE 1970. COLLECTON OF
    PAPERS PRESENTED AT THE ANNUAL SYMPOSIUM ON FUNDAMENTAL CANCER
    RESEARCH. 23,346. REFER TO R EGISTRY OF TOXIC EFFECTS OF CHEMICAL
    SUBSTANCES (RTECS) FOR DEFINITION OF ABBREVIATIONS USED IN THE
    ABOVE TEXT AND FOR ADDITIONAL INFORMATION. THIS REPORT CONTAINS
    ONLY SELECTED INFORMATION FROM THE R TECS.

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

Ecological:NO INFORMATION AVAILABLE.

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

Waste Disposal Methods:COUNTRY, FEDERAL, STATE, AND LOCAL REGULATIONS
    ARE VARIED AND CHANGE FREQUENTLY. FOR THIS REASON, THE MANUFACTURER
    RECOMMENDS THAT YOU CONTACT YOUR LOCAL DEPARTMENT OF HEALTH
    SERVICES FOR INFORMATION  ON THE DISPOSAL OF THIS PRODUCT OR
    ARRANGE FOR DISPOSAL BY LICENSED DISPOSAL COMPANY.

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

Transport Information:UN NUMBER: N/A. PROPER SHIPPING NAME: N/A. IATA
    CLASS: N/A. IATA PACKING GROUP: N/A.

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

Federal Regulatory Information:RISK PHRASES: R36/37/38: IRRITATING TO
    EYES, RESPIRATORY SYSTEM AND SKIN. R42/43: MAY CAUSE SENSITIZATION
    BY INHALATION OR SKIN CONTACT. SAFETY PHRASES: S22: DO NOT BREATHE
    DUST. S24/25: AVOID CONTACT  WITH SKIN AND EYES. S26: IN CASE OF
    CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF WATER AND SEEK
    MEDICAL ADVICE. S36/37/39: WEAR SUITABLE PROTECTIVE CLOTHING,
    GLOVES AND EYE/FACE PROTECTION. S4 5: IN CASE OF ACCIDENT OR IF YOU
    FEEL UNWELL, SEEK MEDICAL ADVICE IMMEDIATELY.

=======================  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.

*** END OF RECORD ***