=====================  Product Identification  =====================

MSDS NAME:FREON 502
NIIN:01-146-4478
MSDS Number: BGNWZ
=== Responsible Party ===
Company:E.I.DUPONT DE NEMOURS & CO INC
Address:1007 MARKET STREET
Box:1635
City:WILMINGTON
State:DE
ZIP:19899
Country:US
Info Phone Num:800-441-7515
Emergency Phone Num:800-441-7515
CAGE:DO229
=== Contractor Identification ===
Company:E.I. DUPONT DE NEMOURS & CO
Address:1007 MARKET STREET
Box:City:WILMINGTON
State:DE
ZIP:19898
Country:US
Phone:800-441-7515;800-441-9442
CAGE:18873
Company: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  =============

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

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

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

Effects of Overexposure:LIGHT-HEAD,GIDDY,SHORTNS OF BRTH,POSSIBLE
    NARCOSIS/CARDIAC IRREGULARITY; SKIN/EYE:LIQ.CONTCT-FROSTBT

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

First Aid:INHAL:REMOVE TO FRESH AIR, GIVE CPR/O*2 AS SITUATION DICTATES
    -GET MED. ATTN.; DO NOT GIVE EPINEPHRINE OR SIMILAR DRUGS; SKIN:
    FLUSH W/WATER-TREAT FOR FROSTBITE IF NECESSARY; EYES: FLUSH W/WATER
    FOR 1 5 MIN. GET MED. ATTN. IF FROSTBITE OCCURS.

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

Extinguishing Media:NON-FLAMM; EXTINGUISH W/AGENT SUITABLE FOR
    SURROUNDING FIRE
Fire Fighting Procedures:USE "SCBA" IF CYLINDERS RUPTURE/RELEASE UNDER
    FIRE CONDITION
Unusual Fire/Explosion Hazard:NONFLAMMABLE & NONEXPLOSIVE COMPRESSED
    GAS. CYLINDERS MAY BURST WHEN EXPOSED TO EXCESSIVE HEAT.

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

Spill Release Procedures:VENTILATE AREA- ESPECIALLY LOW PLACES WHERE
    HEAVY VAPORS MIGHT COLLECT. REMOVE OPEN FLAMES. WEAR PROTECTIVE
    CLOTHING & "SCBA".

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

Handling and Storage Precautions:STORE IN CLEAN,DRY WELL VENTED
    AREA.KEEP CONTAINERS CLOSED.PROTECT FROM PHYSICAL DAMAGE.DO NOT
    STORE ABOVE 125F.
Other Precautions:AVOID BREATHING VAPORS & LIQUID CONTACT W/SKIN. USE
    IN WELL VENTILATED AREA. USE "SCBA" IF A SPILL OR RELEASE OCCURS.

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

Respiratory Protection:USE AIR MASK IN AREAS OF HIGH CONCENTRATION
Ventilation:MECH. VENT IN LOW PLACES; LOCAL EXHAUST WHEN LARGE AMTS. CO
Protective Gloves:LINED NEOPRENE
Eye Protection:CHEM SPLASH GOGGLES
Other Protective Equipment:AS REQUIRED FOR TASK AT HAND.
Supplemental Safety and Health
MSDS DATE:10/85; PHYSICAL DATA CONTND: VP= 155 PSIG @ 77F;

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

HCC:G3
Boiling Pt:B.P. Text:-50F,-46C
Vapor Pres:SUP
Vapor Density:4.2
Spec Gravity:1.242
Evaporation Rate & Reference:RAPID
Solubility in Water:NOT DETERMN
Appearance and Odor:LIQUEFIED GAS, COLORLESS-CLEAR; SLIGHT ETHEREAL
Percent Volatiles by Volume:100

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

Stability Indicator/Materials to Avoid:YES
ALKALI OR ALKALINE EARTH METALS-POWDERED AL,ZINC,BE,ETC.
Stability Condition to Avoid:HIGH TEMPERATURES,IGNITION SOURCES
Hazardous Decomposition Products:HYDROCHLORIC & HYDROFLUORIC ACIDS
    -POSSIBLE CARBONYL HALIDES
Conditions to Avoid Polymerization:WILL NOT POLYMERIZE

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

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

 Disclaimer (provided with this information by the compiling agencies):
 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
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.

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