Product ID:FREON 502
MSDS Date:06/01/1988
FSC:6830
NIIN:00-137-7970
MSDS Number: BKYVT

E.I. DUPONT DE NEMOURS & COMPANY

C&P DEPT., CHESTNUT RUN-709
WILMINGTON, DE 19898

Emergency Phone: (800) 441-3637

Info Phone: (800) 441-9450

Preparer: K.P. BROWN

Cage: 19898

E.I. DUPONT DE NEMOURS & CO., INC.

1635 WILMINGTON, DE 19898

Telephone: 302-773-5676

Cage: 19898

CHLOROPENTAFLUOROETHANE (SARA III)

CAS: 76-15-3

RTECS: KH7877500

Fraction By Weight: 51.2%

OSHA PEL 1000 PPM

ACGIH TLV: 1000 PPM; 9192

CHLORODIFLUOROMETHANE

CAS: 75-45-6

RTECS: PA6390000

Fraction By Weight: 48.8%

OSHA PEL 1000 PPM

ACGIH TLV: 1000PPM; 9192

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: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.

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.

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

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

Boiling Pt:B.P. Text:-49.8F
Vapor Pres:169
Vapor Density:3.92
Spec Gravity:1.22
pH:7
Evaporation Rate & 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 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

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