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

MSDS NAME:FREON 503 REFRIGERANT
NIIN:01-146-4477
MSDS Number: BGNWY
=== Responsible Party ===
Company:E. I. DUPONT DE NEMOURS AND COMPANY
Address:FREON PRODUCTS DIVISION
City:WILMINGTON
State:DE
ZIP:19898
Info Phone Num:302-774-2421/800-441-9450
Emergency Phone Num:800-441-3637/800-424-9300(CHEMTREC)
Preparer's Name:W J BROCK
CAGE:73925
=== Contractor Identification ===
Company: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

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

Name:TRIFLUOROMETHANE
CAS:75-46-7
RTECS #:PB6900000
Fraction by Wt: 40%
Other REC Limits:NONE SPECIFIED

Name:CHLOROTRIFLUOROMETHANE
CAS:75-72-9
RTECS #:PA6410000
Fraction by Wt: 60%
Other REC Limits:NONE SPECIFIED
Ozone Depleting Chemical:1

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHALATION OF HIGH CONCENTRATIONS OF
    VAPOR IS HARMFUL. INTENTIONAL MISUSE MAY BE FATAL. OVEREXPOSURE BY
    INHALATION MAY INCLUDE TEMPORARY NERVOUS SYSTEM DEPRESSION WITH
    ANDSTHETIC EFFECTS. W/GROSS OVER EXPOSURE, TEMPORARY ALTERATION OF
    THE HEART'S ELECTRICAL ACTIVITY. LIQUID CONTACT CAN CAUSE
    FROSTBITE.
Explanation of Carcinogenicity:NONE OF THE COMPONENTS IN THIS MATERIAL
    IS LISTED BY IARC, NTP, OSHA OR ACGIH AS A CARCINOGEN.
Effects of
    Overexposure:INHALED:DIZZINESS,HEADACHE,CONFUSION,INCOORDINATION &
    LOSSON CONSCIOUSNESS. ALSO IRREGULAR PULSE, PALPITATIONS,
    INADEQUATE CIRCULATION.
Medical Cond Aggravated by Exposure:INDIVIDUALS W/PRE-EXISTING DISEASES
    OF THE CNS OR CARDIOVASCULAR SYSTEM MAY HAVE INCREASED
    SUSCEPTIBILITY TO THE TOXICITY OF EXCESSIVE EXPOSURES.

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

First Aid:INHALED:IMMEDIATELY REMOVE TO FRESH AIR. KEEP CALM. AID OR
    SUPPORT BREATHING AS NECESSARY. GET IMMEDIATE MEDICAL ATTENTION.
    SKIN:FLUSH W/WATER. TREAT FOR FROSTBITE IF NEEDED. EYE:FLUSH
    W/WATER. GET IM MEDIATE MEDICAL ATTENTION. INGESTED:NOTCONSIDERED A
    POTENTIAL ROUTE OF EXPOSURE.  *NOTE TO PHYSICIAN:DUE TO POTENTIAL
    FOR CARDIAC DISTURBANCES, CATACHOLAMINE DRUGS SHOULD BE USED
    W/SPECIAL CAUTION!*

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

Flash Point:WILL NOT BURN
Extinguishing Media:AS APPROPRIATE FOR COMBUSTIBLES IN AREA.
Fire Fighting Procedures:SELF-CONTAINED BREATHING APPARATUS IS REQUIRED
    IF CYLINDERS RUPTURE OR RELEASE UNDER FIRE CONDITIONS.
    DECOMPOSITION MAY OCCUR.
Unusual Fire/Explosion Hazard:USE WATER SPRAY OR FOG TO COOL
    CONTAINERS. CYLINDERS ARE EQUIPPED W/TEMPERATURE & PRESSURE RELIEF
    DEVICES BUT MAY STILL RUPTURE UNDER FIRE CONDITIONS.

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

Spill Release Procedures:REVIEW ALL HAZARDS & PRECAUTIONS BEFORE
    CLEAN-UP. USE APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT. VENTILATE
    AREA (ESPECIALLY LOW/ENCLOSED AREAS). REMOVE OPEN FLAMES.
    SELF-CONTAINED BREATHING APPARATUS	MAY BE REQUIRED FOR LARGE
    SPILLS.
Neutralizing Agent:NO INFORMATION GIVEN BY MFR ON MSDS.

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

Handling and Storage Precautions:CLEAN, DRY AREA. DO NOT HEAT ABOVE
    125F,52C.
Other Precautions:NONE

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

Respiratory Protection:NO INFORMATION GIVEN BY MFR ON MSDS.
Ventilation:NORM VENTILATION IS GENERALLY ADEQUATE. USE LOCAL EXHAUST
    SHOULD WHEN LARGE AMOUNTS ARE RELEASED. VENTILATE LOW AREAS.
Protective Gloves:NEOPRENE RUBBER GLOVES.
Eye Protection:NO INFORMATION GIVEN BY MFR ON MSDS.
Other Protective Equipment:SELF-CONTAINED BREATHING APPARATUS IS
    REQUIRED IF A SPILL OR RELEASE OCCURS.
Work Hygienic Practices:MFR: ?	HMIS:USE GOOD INDUSTRIAL HYGIENE
    PRACTICE. AVOID UNNECESSARY EXPOSURE. WASH THOROUGHLY BEFORE EATING
    OR DRINKING
Supplemental Safety and Health
AUTODECOMPOSITION AT >1400F,760C.

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

HCC:G3
NRC/State Lic Num:NONE
Boiling Pt:B.P. Text:-128F,-89C
Vapor Pres:566 PSIA
Vapor Density:3.0
pH:NEUTRL
Evaporation Rate & Reference:> 1 (CCL4 = 1.0)
Solubility in Water:0.042% (WT)
Appearance and Odor:CLEAR, COLORLESS GAS, SLIGHT ETHEREAL ODOR. 
    DENSITY = 1.233 G/CC.
Percent Volatiles by Volume:100
Corrosion Rate:UNKNOWNN

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

Stability Indicator/Materials to Avoid:YES
INCOMPATIBLE WITH ALKALI OR ALKALINE EARTH METALS - POWDERED AL, ZN,
    BE, ETC.
Stability Condition to Avoid:PRODUCT IS STABLE. HOWEVER AVOID OPEN
    FLAMES AND HIGH TEMPERATURES.
Hazardous Decomposition Products:HYDROFLUORIC ACID, HYDROCHLORIC ACID,
    POSSIBLY CARBONYL HALIDES
Conditions to Avoid Polymerization:WILL NOT OCCUR.

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

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

*** END OF RECORD ***