E. I. DUPONT DE NEMOURS AND COMPANY -- FREON 500 REFRIGERANT  -- 6830-01-137-7971
<pre>=====================  Product Identification  =====================

Product ID:FREON 500 REFRIGERANT
MSDS Date:06/10/1991
FSC:6830
NIIN:01-137-7971
MSDS Number: BGNNJ
=== 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, 302-999-5072
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:DICHLORODIFLUOROMETHANE  (SARA III) (FREON 12)
CAS:75-71-8
RTECS #:PA8200000
Fraction by Wt: 73.8%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:1000 PPM
ACGIH TLV:1000 PPM; 9394
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS
Ozone Depleting Chemical:1

Ingred Name:DIFLUOROETHANE (FC-152A)
CAS:75-37-6
RTECS #:KI1410000
Fraction by Wt: 26.2%
Other REC Limits:NONE RECOMMENDED

=====================  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:INHAL:HI VAP CONC HARMFUL,MAY CAUSE
    HEART IRREG,UNCONSC,DEATH,CNS DEPRESS.VAP REDUCES OXY AVAILABLE FOR
    BREATH & IS HEAVIER THAN AIR.LIQ CONTACT CAN CAUSE
    FROSTBITE.SKIN:FROSTBITE,MILD SKIN IRRIT W/DI SCOMFORT.EYE:IRRIT
    W/DISCOMFORT.>20% EXPO TEMP LUNG IRRIT & ALTERATION OF HEART
    ELECTRICAL ACTIVITY W/IRREG PULSE,(SUPP)
Explanation of Carcinogenicity:PER MSDS:NONE OF COMPONENTS PRESENT IN
    MATL @CONC =/>0.1% ARE LISTED BY IARC/NTP/OSHA/ACGIH AS A
    CARCINOGEN.
Effects of Overexposure:HEART IRREG,UNCONSC,DEATH.FROSTBITE.MILD SKIN
    IRRIT W/DISCOMFORT.EYE TEARING,BLURRING OF
    VISION.INHAL:NAUSEA,HEADACHE,WEAKNESS,TEMP NERVOUS SYSTEM
    DEPRESSION W/ANESTHETIC EFFECTS SUCH AS DIZZINESS,HEA
    DACHE,CONFUSION,INCOORDINATION,LOSS OF CONS.TEMP LUNG
    IRRIT-COUGH,DISCOMFORT,DIFFICULTY BREATHING,SHORTNESS OF BREATH.
Medical Cond Aggravated by Exposure:INDIVIDUALS W/PRE-EXISTING DISEASES
    OF CENTRAL NERVOUS SYS,CARDIOVASCULARSYS,LUNGS OR KIDNEYS MAY HAVE
    INCREASED SUSCEPTIBILITY TO TOXICITY OF EXCESSIVE EXPOSURES.

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

First Aid:INHAL:IMMED REMOVE TO FRESH AIR.KEEP PERSON CALM.NOT BREATH
    GIVE ART RESP.BREATH DIFFICULT GIVE OXY.CALL PHYSICIAN.SKIN:FLUSH
    W/WATER FOR 15MINS.TREAT FOR FROSTBITE BY GENTLY WARMING AFFECTED
    AREA.IRR IT PRESENT GET MED ATTN.EYE:IMMED FLUSHW/PLENTY OF WTER
    FOR 15MINS.CALL PHYSICIAN.INGEST:NOT CONSIDERED POTENTIAL ROUTE OF
    EXPOSURE.PHYSICIAN:BECAUSE OF POSSIBLE DISTURBANCES OF CARDIAC
    RHYTHM (SUPP)

=====================  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.USE WATER
    SPRAY/FOG TO COOL CNTNR.
Unusual Fire/Explosion Hazard:CYL ARE EQUIPPPED W/TEMP/PRESSURE RELIEF
    DEVICES BUT MAY STILL RUPTURE UNDER FIRE CONDITIONS.DECOMPOSITION
    MAY OCCUR.

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

Spill Release Procedures:USE APPROPRIATE PPE DURING CLEANUP.VENTI AREA
    ESPECIALLY LOW PLACES.WEAR SCBA FOR LG SPILLS.REMOVE OPEN FLAMES.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:AVOID BREATHING VAPORS.AVOID LIQ
    CONTACT W/SKIN/EYES.USE W/SUFFICIENT VENTILATION TO KEEP EMPLOYEE
    EXPO BELOW RECOMMENDED LIMITS.
Other Precautions:STORE IN CLEAN,DRY AREA.DO NOT HEAT ABOVE 125F.

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

Respiratory Protection:UNDER NORMAL MFG CONDITIONS NO RESPIRATORY
    PROTECTION IS REQUIRED WHEN USING THIS PRODUCT.SELF-CONTAINED
    BREATHING APPARATUS (SCBA) IS REQUIRED IF SPILL OCCURS.
Ventilation:NORMAL VENTI FOR STD MFG PROCEDURES.LOC EXH SHOULD BE USED
    WHEN LG AMTS RELEASED.MECH VENTI SHOULD BE USED IN LOW PLACES
Protective Gloves:IMPERVIOUS GLOVES
Eye Protection:CHEM SPLASH GOGGLES.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:FOLLOW GOOD HYGENIC PRACTICES.
Supplemental Safety and Health
HEALTH HAZ:PALPITATIONS,INADEQUATE CIRCULATION,ABNORMAL KIDNEY FUNCTION
    AS DETECTED BY LAB TEST;FATALITY FRM GROSS
    OVEREXPO.1STAID:CATECHOLAMINE DRUGS SUCH AS EPINEPHRINE SHOULD BE
    USED W/SPECIAL CAUT ION IN SITUATIONS OF EMERG LIFE SUPPORT.
    AUTODECOM TEMP:DICHLORODIFLUOROMETHAND:<760C;DIFLUOROETHANE:<445C.

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

HCC:G3
Boiling Pt:B.P. Text:-27F,-33C
Decomp Temp:Decomp Text:SUPPLEMENTA
Vapor Pres:232PSI@54C
Vapor Density:3.7
Spec Gravity:1.16G/CC @25C
Evaporation Rate &amp; Reference:LESS THAN 1, CCL4=1
Appearance and Odor:LIQUIFIED GAS, COLORLESS, SLIGHT ETHEREAL, CLEAR
    APPEARANCE.
Percent Volatiles by Volume:100

=================  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:AVOID OPEN FLAMES AND HIGH TEMPERATURES.
Hazardous Decomposition Products:DECOMP PROD-HAZ.CAN BE DECOMPOSED BY
    HI TEMP(OPN FLAME,GLOW METAL SURFACES,ETC)FORMING HCL OR CF
    ACIDS,CARBONYL HALIDES.

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

Waste Disposal Methods:COMPLY WITH LOCAL, STATE AND FEDERAL
    REGULATIONS. RECLAIM BY DISTILLATION OR REMOVE TO A PERMITTED WASTE
    DISPOSAL FACILITY. FREON 12 COMPONENT IS CERCLA HZ SUBSTANCE &
    TOXIC CHEMICAL. RQ FREON 12:5000  LBS/2270 KG.

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