E.I. DUPONT DE NEMOURS & COMPANY -- FREON 502  -- 6830-00-137-7970
<pre>=====================  Product Identification  =====================

Product ID:FREON 502
MSDS Date:06/01/1988
FSC:6830
NIIN:00-137-7970
=== Responsible Party ===
Company Name:E.I. DUPONT DE NEMOURS & COMPANY
Address:C&P DEPT., CHESTNUT RUN-709
City:WILMINGTON
State:DE
ZIP:19898
Info Phone Num:(800) 441-9450
Emergency Phone Num:(800) 441-3637
Preparer's Name:K.P. BROWN
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:CHLOROPENTAFLUOROETHANE  (SARA III)
CAS:76-15-3
RTECS #:KH7877500
Fraction by Wt: 51.2%
Other REC Limits:1000 PPM
OSHA PEL:1000 PPM
ACGIH TLV:1000 PPM; 9192
Ozone Depleting Chemical:1

Ingred Name:CHLORODIFLUOROMETHANE
CAS:75-45-6
RTECS #:PA6390000
Fraction by Wt: 48.8%
Other REC Limits:1000 PPM
OSHA PEL:1000 PPM
ACGIH TLV:1000PPM; 9192
Ozone Depleting Chemical:2

=====================  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:SKIN: FROSTBITE. INHALATION: HARMFUL,
    HEART IRREGULARITIES, UNCONSCIOUSNESS, DEATH, FATAL, NAUSEA,
    HEADACHE, WEKNESS, TEMPORARY NERVOUS SYSTEM DEPRESSION, ANAESTHETIC
    EFFECTS, DIZZINESS/CONFUSION/INCO ORDINATION/LOSS OF
    CONSCIOUSNESS/ALTERATION OF HEARTS ELECTRICAL ACTIVITY W/IRREGULAR
    PULSE & CIRCULATION/PALPITATIONS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SKIN: FROSTBITE. INHALATION: HARMFUL, HEART
    IRREGULARITIES, UNCONSCIOUSNESS, DEATH, FATAL, NAUSEA, HEADACHE,
    WEAKNESS, TEMPORARY NERVOUS SYSTEM DEPRESSION, ANAESTHETIC EFFECTS,
    DIZZINESS/CONFUSION/INC OORDINATION/LOSS OF
    CONSCIOUSNESS/ALTERNATION OF HEARTS ELECTRICAL ACTIVITY W/IRREGULAR
    PULSE/CIRCULATION/PALPITATIONS.
Medical Cond Aggravated by Exposure:DISEASES OF THE CARDIOVASCULAR
    SYSTEM

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

First Aid:EYES: FLUSH W/PLENTY OF WATER FOR AT LEAST 15 MINS. SKIN:
    CLEANS THOROUGHLY. INHALATION: REMOVE TO FRESH AIR. GIVE CPR OR
    OXYGEN IF NEEDED. INGESTION: OBTAIN MEDICAL ATTENTION IN ALL CASES.
    NOTE TO PH YSICIAN: BECAUSE OF POSSIBLE DISTURBANCES OF CARDIAC
    RHYTHM, CATECHOLAMINE DRUGS, SUCH AS EPINEPHRINE, SHOULD BE USED
    W/SPEICAL CAUTION ONLY IN SITUATIONS OF EMERGENCY LIFE SUPPORT.

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

Flash Point:NONE
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.
Unusual Fire/Explosion Hazard:CYLINDERS ARE EQUIPPED W/TEMPERATURE &
    PRESSURE RELIEF DEVICES BUT STILL MAY RUPTURE UNDER FIRE
    CONDITIONS. AUTODECOMPOSITION TEMPERATURE: 1299F.

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

Spill Release Procedures:VENTILATE AREA--ESPECIALLY LOW PLACES WHERE
    HEAVY VAPORS MIGHT COLLECT. REMOVE OPEN FLAMES. USE SELF-CONTAINED
    BREATHING APPARATUS FOR LARGE SPILL.

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

Handling and Storage Precautions:STORE IN CLEAN, DRY AREA. DON'T HEAT
    >125F. AVOID BREATHING VAPORS & LIQUID CONTACT W/SKIN. USE IN
    WELL-VENTILATED AREAS.

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

Respiratory Protection:UNDER NORMAL MANUFACTURING CONDITIONS, NO
    RESPIRATORY PROTECTION IS REQUIRED WHEN USING THIS PRODUCT.
    SELF-CONTAINED BREATHING APPARATUS IS REQUIRED IF A SPILL OR
    RELEASE OCCURS.
Ventilation:LOCAL EXHAUST: WHEN LARGE AMOUNTS ARE RELEASED. MECHANICAL:
    IN LOW PLACES.
Protective Gloves:NEOPRENE RUBBER
Eye Protection:CHEMICAL SPLASH GOGGLES
Supplemental Safety and Health

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

Boiling Pt:B.P. Text:-49.8F
Vapor Pres:169
Vapor Density:3.92
Spec Gravity:1.22
pH:7
Evaporation Rate &amp; Reference:(CCL4 = 1): >1
Solubility in Water:0.15% BY WT.
Appearance and Odor:COLORLESS, CLEAR LIQUEFIED GAS W/SLIGHT ETHEREAL
    ODOR
Percent Volatiles by Volume:100%

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

Stability Indicator/Materials to Avoid:YES
ALKALI, ALKALINE EARTH METALS, POWDERED ALUMINUM, ZINC, BERYLLIUM ,
    ETC.
Stability Condition to Avoid:OPEN FLAMES, HIGH TEMPERATURES
Hazardous Decomposition Products:HYDROCHLORIC & HYDROFLUORIC ACIDS, &
    CARBONYL HALIDES

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE W/LOCAL, STATE, &
    FEDERAL REGULATIONS. REMOVE TO A PERMITTED WASTE DISPOSAL FACILITY
    OR RECLAIM BY DISTILLATION.

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