E I DU PONT DE NEMOURS & CO FREON PRODUCTS DIV -- FREON 502  -- 6830-00-138-2482
<pre>=====================  Product Identification  =====================

Product ID:FREON 502
MSDS Date:10/01/1985
FSC:6830
NIIN:00-138-2482
MSDS Number: BDBJB
=== Responsible Party ===
Company Name:E I DU PONT DE NEMOURS & CO FREON PRODUCTS DIV
Address:FREON PRODUCTS DIVISION
City:WILMINGTON
State:DE
ZIP:19898
Info Phone Num:302-774-2421
Emergency Phone Num:302-774-2421
Preparer's Name:T.D.ARMSTRONG
CAGE:B0589
=== 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 DU PONT DE NEMOURS & CO
Address:RAKETSTRAAT, 100, RUE DE LA FUSEE
City:BRUSSEL
Country:BE
Phone:32-(0)15-401.505
CAGE:B0589
Company Name:NATIONAL REFRIGERANTS INC
Address:11401 ROOSEVELT BLVD
Box:City:PHILADELPHIA
State:PA
ZIP:19154
Country:US
Phone:215-834-0200
CAGE:7Y146

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

Ingred Name:CHLOROPENTAFLUOROETHANE  (SARA III)
CAS:76-15-3
RTECS #:KH7877500
Fraction by Wt: 51.2%
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%
OSHA PEL:1000 PPM
ACGIH TLV:1000PPM; 9192
Ozone Depleting Chemical:2

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

LD50 LC50 Mixture:300,000 PPM/2 HR(FC-22; LC50=RAT)
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHALATION: CAN CAUSE SUFFOCATION BY
    REDUCING OXYGEN. MAY LEAD TO NARCOSIS, CARDIAC IRREGULARITIES,
    UNCONSCIOUSNESS OR DEATH. SKIN AND EYE CONTACT MAY CAUSE FROSTBITE.
Effects of Overexposure:BREATHING HIGH CONCENTRATIONS OF VAPOR MA CAUSE
    LIGHT-HEADEDNESS, GIDDINESS, SHORTNESS OF BREATH AND MAY LEAD TO
    NARCOSI CARDIAC IRREGULARITIES, UNCONSCIOUSNESS OR DEATH.
Medical Cond Aggravated by Exposure:CARDIOVASCULAR DISEASE

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

First Aid:INHALATION: REMOVE TO FRESH AIR, CALL A PHYSICIAN. IF NOT
    BREATHING, GIVE ARTIFICIAL RESPIRATION, PREFERRABLY MOUTH-TO-MOUTH.
    IF BREATHING IS DIFFICULT, GIVE OXYGEN. DO NOT GIVE EPINEPHRIN OR
    SIMILAR  DRUGS. EYE: FLUSH WITH WATER, CALL A PHYSICIAN IF
    FROSTBITE OCCURS.SKIN: FLUSH WITH WATER. TREAT FOR FROSTBITE IF
    NECESSARY.

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

Flash Point Method:TOC
Flash Point:NONE
Lower Limits:NONFLAMMABLE
Upper Limits:NONFLAMMABLE
Extinguishing Media:NONFLAMMABLE
Fire Fighting Procedures:SELF-CONTAINED BREATHING APPARATUS MAY BE
    REQUIRED IF CYLINDERS RUPTURE OR RELEASE UNDER FIRE CONDITIONS.
Unusual Fire/Explosion Hazard:CYLINDERS ARE EQUIPPED WITH TEMPERATURE A
    PRESSURE RELIEF DEVICES BUT STILL MAY RUPTURE UNDER FIRE
    CONDITIONS.DECOMPOSITION MAY OCCUR.

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

Spill Release Procedures:VENT AREA, ESPECIALLY LOW PLACES WHERE HEAVY
    VAPORS MIGHT COLLECT. REMOVE OPEN FLAMES.
Neutralizing Agent:NONE

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

Handling and Storage Precautions:STORE CNTNR IN CLEAN, DRY AREA. DO NOT
    HEAT ABOVE 125F.
Other Precautions:NOTE TO PHYSICIANS: BECAUSE OF A POSSIBLE INCREASED
    RISK O ELICITING CARDIAC DYSRYTHMIAS, CATECHOLAMINE DRUGS, SUCH AS
    EPINEPHRINE, SHOUL BE CONSIDERED ONLY AS A LAST RESORT IN LIFE
    THREATENING EMERGE NCIES.

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

Respiratory Protection:USE NIOSH/MSHA APPROVED SCBA IN CASE OF SPILL OR
    RELEASE.
Ventilation:NORMAL VENTILATION FOR STANDARD MANUFACTURING PROCEDURES IS
    GENERALLY ADEQUATE. LOCAL EXHAUST FOR RELEASE OF LARGE AMTS.
Protective Gloves:LINED NEOPRENE
Eye Protection:CHEM SPLASH GOGGLES
Other Protective Equipment:FULL WORK CLOTHING TO PREVENT REPEATED OR
    PROLONG CONTACT.
Work Hygienic Practices:AVOID BREATHING VAPORS AND LIQUID CONTACT WITH
    SKIN.
Supplemental Safety and Health
USE IN WELL VENTILATED AREA.

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

HCC:G3
Boiling Pt:B.P. Text:-50F,-45.5C
Vapor Pres:8016
Vapor Density:4.2
Spec Gravity:1.242
Appearance and Odor:CLEAR, COLORLESS LIQUEFIED GAS. SLIGHT ETHEREAL
    ODOR
Percent Volatiles by Volume:100

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

Stability Indicator/Materials to Avoid:YES
ALKALI OR ALKALINE EARTH METALS- POWDERED AL, ZN, BE, ETC
Stability Condition to Avoid:AVOID OPEN FLAME AND HIGH TEMPERATURES.
Hazardous Decomposition Products:CAN BE DECOMPOSED BY HIGH TEMPERATURES
    (OPE FLAMES, GLOWING METAL SURFACES, ETC.) FORMING HYDROCHLORIC &
    FLUORIC ACIDS.

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

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

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 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
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 particular situation.