E. I. DUPONT DE NEMOURS AND COMPANY -- FREON 503 REFRIGERANT  -- 6830-01-146-4477
<pre>=====================  Product Identification  =====================

Product ID:FREON 503 REFRIGERANT
MSDS Date:03/19/1991
FSC:6830
NIIN:01-146-4477
MSDS Number: BGNWY
=== Responsible Party ===
Company Name: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 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

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

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

Ingred 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 &amp; 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.

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