E.I. DUPONT DE NEMOURS -- FREON 503  -- 6830-00F003617
<pre>=====================  Product Identification  =====================

Product ID:FREON 503
MSDS Date:01/01/1987
FSC:6830
NIIN:00F003617
=== Responsible Party ===
Company Name:E.I. DUPONT DE NEMOURS/WILMINGTON, DE 19898
Emergency Phone Num:(800) 441-3637
CAGE:19898
=== Contractor Identification ===
Company Name:DU PONT E I  DE NEMOURS AND CO INC   PETROCHEMICALS DEPT
Address:1251 BRANDYWINE BLDG
Box:City:WILMINGTON
State:DE
ZIP:19898
Phone:302-773-5676
CAGE:73925
Company Name:E.I. DUPONT DE NEMOURS & CO., INC.
Box:1635
CAGE:19898

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

Ingred Name:TRIFLUOROMETHANE
CAS:75-46-7
RTECS #:PB6900000
Fraction by Wt: 40%

Ingred Name:CHLOROTRIFLUOROMETHANE
CAS:75-72-9
RTECS #:PA6410000
Fraction by Wt: 60%
Ozone Depleting Chemical:1

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

Effects of Overexposure:INHALATION: VAPOR IS >AIR.
    LIGHT-HEADEDNESS/GIDDINESS/SHORTNESS OF BREATH/UNCONSCIOUSNESS OR
    DEATH

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

First Aid:INHALATION: REMOVE TO FRESH AIR, CALL A PHYSICIAN. IF NOT
    BREATHING, GIVE ARTIFICIAL RESPIRATION, PREFERABLY MOUTH-TO-MOUTH.
    IF BREATHING IS DIFFICULT, GIVE OXYGEN. EYE: CALL A PHYSICIAN IF
    FROSTBITE  OCCURS. SKIN: TREAT FOR FROSTBITE IF NECESSARY.

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

Flash Point:NONE
Extinguishing Media:NONFLAMMABLE
Fire Fighting Procedures:SCBA MAY BE REQUIRED IF A SPILL OCCURS OR
    RELEASE UNDER FIRE
Unusual Fire/Explosion Hazard:CLYINDERS ARE EQUIPPED WITH TEMPERATURE
    AND PRESSURE RELIEF DEVICES BUT MAY STILL RUPTURE UNDER FIRE

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

Spill Release Procedures:VENTILATE AREA--ESPECIALLY LOW PLACES WHERE
    HEAVY VAPORS MIGHT COLLECT. REMOVE OPEN AMES.

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

Handling and Storage Precautions:AVOID BREATHING VAPORS OR ALLOWING
    LIQUID OR COLD VAPORS TO CONTACT SKIN OR EYES. USE IN WELL NTILATED
    AREA.

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

Respiratory Protection:NO RESPIRATORY PROTECTION IS REQUIRED WHEN USING
    THIS PRODUCT
Ventilation:LOCAL EXHAUST AND MECHANICAL
Protective Gloves:NEOPRENE
Eye Protection:GOGGLES
Supplemental Safety and Health

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

Boiling Pt:B.P. Text:127.6F
Vapor Pres:617
Vapor Density:3.0
Solubility in Water:0.042
Appearance and Odor:COLORLESS; CLEAR; SLIGHT ETHEREAL ODOR
Percent Volatiles by Volume:100%

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

Stability Indicator/Materials to Avoid:YES
ALKALI OR ALKALINE EARTH METALS - POWDERED AL, ZN, BE, ETC.
Stability Condition to Avoid:HOWEVER, AVOID OPEN FLAMES AND HIGH
    TEMPERATURES.
Hazardous Decomposition Products:HYDROCHLORIC/HYDROFLUORIC
    ACIDS-POSSIBLE CARBONYL HALIDES

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

Waste Disposal Methods:COMPLY WITH FEDERAL, STATE AND LOCAL REGULATIONS
    OR REMOVE TO PERMITTED WASTE DISPOSAL FACILITY. RECLAIM BY
    DISTILLATION.

 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.