E.I.DUPONT DE NEMOURS & CO. -- FREON 500 REFRIGERANT (DU001075)  -- 6830-00-089-0697
<pre>=====================  Product Identification  =====================

Product ID:FREON 500 REFRIGERANT (DU001075)
MSDS Date:06/10/1991
FSC:6830
NIIN:00-089-0697
=== Responsible Party ===
Company Name:E.I.DUPONT DE NEMOURS & CO.
Address:CHESTNUT RUN
Box:80709
City:WILMINGTON
State:DE
ZIP:19898
Info Phone Num:302-774-2421
Emergency Phone Num:302-774-2421
Preparer's Name:W. J. BROCK
CAGE:DO229
=== 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
Address:549 ALBANY STREET
Box:1635
City:BOSTON
State:MA
ZIP:02118
Phone:800-441-7515
CAGE:DO229

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

Ingred Name:DICHLORODIFLUOROMETHANE (SARA III) (AUTOIGNIT = <1400F)
CAS:75-71-8
RTECS #:PA8200000
Fraction by Wt: 73.8%
OSHA PEL:1000 PPM 8 HR TWA
ACGIH TLV:1000 PPM 8 HR TWA
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS
Ozone Depleting Chemical:1

Ingred Name:DIFLUOROETHANE (AUTOIGNIT = <836F)
CAS:75-37-6
RTECS #:KI1410000
Fraction by Wt: 26.2%
Other REC Limits:1000PPM 8HR TWA, MFG
OSHA PEL:NOT EST.

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

LD50 LC50 Mixture:SEE SUPLIMENTAL DATA.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:UNKNOWN	  IARC:UNKNOWN	  OSHA:YES
Health Hazards Acute and Chronic:SKIN: POS FROST BITE/MILD
    IRRIT/SENSITIZATION. EYES: IRRIT/TEARING/BLURRY VISION. INHAL: POS
    NAUSEA/HEADACHE/WEAKNESS. TEMPORARY NS DEPRESSION W/DIZZINESS,
    HEADACHE, CONFUSION, INCOORDINATION, LOSS CO NSCIOUSNESS. HIGH
    EXPOS, >20% MAY LEAD TEMPORARY LUNG IRRIT
    W/COUGH/DISCOMFORT/DIFFICULT BREATHING/SHORTNESS BREATH;*
Explanation of Carcinogenicity:CONTAINS 2-A		      [53-96-3]
    WHICH IS LISTED BY NTP AND IARC AND REGULATED BY OSHA AS A
    CARCINOGEN.
Effects of Overexposure:NK     *TEMP ALTERATION OF HEART ELECTRICAL
    ACTIVITY W/IRREG PULSE/PALPITATIONS/INADEQUATE CIRCULATION/ABNORMAL
    KIDNEY FUNCTION/FATALITY FROM GROSS OVEREXPOSURE.
Medical Cond Aggravated by Exposure:INDIVIDUALS W/PREEXISTING DISEASES
    OF CNS, CARDIOVASCULAR SYSTEM, LUNGS OR KIDNEYS MAY HAVE INCREASED
    SUSCEPTIBILITY TO TOXICITY OF EXCESSIVE EXPOSURES.

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

First Aid:INHAL: GET FRESH AIR IMMED. KEEP CALM. IF NOT BREATHING GIVE
    ARTIF RESP. IF BREATHING DIFFICULT, GIVE OXYGEN. CALL DR. SKIN:
    FLUSH W/WATER 15 MIN. IF FROST BITE, WARM AFFECTED AREAS. GET MED
    AID IF IR RIT PRESENT. EYES: FLUSH IMMED W/LOTS H2O 15 MIN. CALL
    DR. NOTE TO DR.: BECAUSE POS CARDIAC RHYTHM DISTURBANCE,
    CATECHOLANINE DRUGS (EPINEPHRINE) SHOULD BE USED W/SPECIAL CAUTION
    IN EMER LIFE SUPPORT.

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

Flash Point:NONE
Extinguishing Media:AS APPROPRIATE FOR COMBUSTIBLES IN AREA.
Fire Fighting Procedures:SCBA REQUIRED IF CYLINDERS RUPTURE/RELEASE
    UNDER FIRE CONDITIONS.
Unusual Fire/Explosion Hazard:USE WATER SPRAY/FOG TO COOL CONTAINERS.
    CYLINDERS ARE EQUIPPED W/TEMP & PRESSURE RELIEF DEVICES BUT MAY
    STILL RUPTURE UNDER FIRE CONDITIONS. DECOMP POSSIBLE.

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

Spill Release Procedures:REVIEW FIRE EXPLN HAZ/SAFETY PRECAUTIONS
    BEFORE CLEAN UP. USE APPROPRIATE PERSONAL PROTECTIVE EQUIP.
    VENTILATE AREA, ESPEC LOW PLACES WHERE VAPORS MIGHT COLLECT. USE
    SCBA FOR LARGE SPILLS. REMOVE OPEN	FLAMES.

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

Handling and Storage Precautions:STORE CONTAINERS IN COOL, CLEAN DRY
    AREA. DO NOT ALLOW TEMP TO RISE ABOVE 125F.
Other Precautions:AVOID BREATHING VAPORS. AVOID LIQUID CONTACT
    W/SKIN/EYES. USE SUFFICIENT VENTILATION TO KEEP EMPLOYEE EXPOSURE
    BELOW RECOMMENDED LIMITS.

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

Respiratory Protection:NOT REQUIRED UNDER NORMAL MFG CONDITIONS. SCBA
    REQUIRED IF SPILL OCCURS.
Ventilation:NORMAL FOR STANDARD MFG ADEQUATE. LOCAL EXHAUST WHEN LG
    AMTS RELEASED. MECHANCL VENT SHOULD BE USED IN LOW PLACES.
Protective Gloves:RUBBER,PLASTIC
Eye Protection:CHEMICAL SPLASH GOGGLES
Other Protective Equipment:USE GLOVES & FACE SHIELD WHEN HANDLING
    LIQUID
Supplemental Safety and Health
INHALATION 4-HR ALC = 383,000 PPM RATS. ORAL ALD RATS = >1500 MG/KG.

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

HCC:G3
Boiling Pt:B.P. Text:-28F (-33C)
Vapor Pres:232 PSIA
Vapor Density:3.7
Evaporation Rate &amp; Reference:<1 (CCL4 - 1.0)
Appearance and Odor:COLORLESS LIQUID, SLIGHT ETHERAL ODOR.
Percent Volatiles by Volume:100

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

Stability Indicator/Materials to Avoid:YES
ALKALI/ALKALINE EARTHMETALS. AVOID POWDERED AL, ZN, BE,ETC.
Stability Condition to Avoid:OPEN FLAMES, HIGH TEMPERATURES.
Hazardous Decomposition Products:HYDROCHLORIC/HYDROFLUORIC ACIDS.
    POSSIBLY CARBONYL HALIDES.

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

Waste Disposal Methods:DISPOSE IN COMPLIANCE W/APPLICABLE LAWS. RECLAIM
    BY DISTILLATION OR REMOVE TO PERMITTED WASTE DISPOSAL FACILITY.

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