Product ID:FREON 503 REFRIGERANT
MSDS Date:03/19/1991
FSC:6830
NIIN:01-146-4477
MSDS Number: BGNWY

E. I. DUPONT DE NEMOURS AND COMPANY

FREON PRODUCTS DIVISION
WILMINGTON, DE 19898

Emergency Phone: 800-441-3637/800-424-9300(CHEMTREC)

Info Phone: 302-774-2421/800-441-9450

Preparer: W J BROCK

Cage: 73925

DU PONT E I DE NEMOURS AND CO INC PETROCHEMICALS DEPT

WILMINGTON, DE 19898

Telephone: 302-773-5676

Cage: 73925

TRIFLUOROMETHANE

CAS: 75-46-7

RTECS: PB6900000

Fraction By Weight: 40%

CHLOROTRIFLUOROMETHANE

CAS: 75-72-9

RTECS: PA6410000

Fraction By Weight: 60%

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION OF HIGH CONCENTRATIONS OF
VAPOR IS HARMFUL. INTENTIONAL MISUSE MAY BE FATAL. OVEREXPOSURE BY
INHALATION MAY INCLUDE TEMPORARY NERVOUS SYSTEM DEPRESSION WITH
ANDSTHETIC EFFECTS. W/GROSS OVER EXPOSURE, TEMPORARY ALTERATION OF
THE HEART'S ELECTRICAL ACTIVITY. LIQUID CONTACT CAN CAUSE
FROSTBITE.
Explanation of Carcinogenicity:NONE OF THE COMPONENTS IN THIS MATERIAL
IS LISTED BY IARC, NTP, OSHA OR ACGIH AS A CARCINOGEN.
Effects of
Overexposure:INHALED:DIZZINESS,HEADACHE,CONFUSION,INCOORDINATION &
LOSSON CONSCIOUSNESS. ALSO IRREGULAR PULSE, PALPITATIONS,
INADEQUATE CIRCULATION.
Medical Cond Aggravated by Exposure:INDIVIDUALS W/PRE-EXISTING DISEASES
OF THE CNS OR CARDIOVASCULAR SYSTEM MAY HAVE INCREASED
SUSCEPTIBILITY TO THE TOXICITY OF EXCESSIVE EXPOSURES.

First Aid:INHALED:IMMEDIATELY REMOVE TO FRESH AIR. KEEP CALM. AID OR
SUPPORT BREATHING AS NECESSARY. GET IMMEDIATE MEDICAL ATTENTION.
SKIN:FLUSH W/WATER. TREAT FOR FROSTBITE IF NEEDED. EYE:FLUSH
W/WATER. GET IM MEDIATE MEDICAL ATTENTION. INGESTED:NOTCONSIDERED A
POTENTIAL ROUTE OF EXPOSURE. *NOTE TO PHYSICIAN:DUE TO POTENTIAL
FOR CARDIAC DISTURBANCES, CATACHOLAMINE DRUGS SHOULD BE USED
W/SPECIAL CAUTION!*

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.
DECOMPOSITION MAY OCCUR.
Unusual Fire/Explosion Hazard:USE WATER SPRAY OR FOG TO COOL
CONTAINERS. CYLINDERS ARE EQUIPPED W/TEMPERATURE & PRESSURE RELIEF
DEVICES BUT MAY STILL RUPTURE UNDER FIRE CONDITIONS.

Spill Release Procedures:REVIEW ALL HAZARDS & PRECAUTIONS BEFORE
CLEAN-UP. USE APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT. VENTILATE
AREA (ESPECIALLY LOW/ENCLOSED AREAS). REMOVE OPEN FLAMES.
SELF-CONTAINED BREATHING APPARATUS MAY BE REQUIRED FOR LARGE
SPILLS.
Neutralizing Agent:NO INFORMATION GIVEN BY MFR ON MSDS.

Handling and Storage Precautions:CLEAN, DRY AREA. DO NOT HEAT ABOVE
125F,52C.
Other Precautions:NONE

Respiratory Protection:NO INFORMATION GIVEN BY MFR ON MSDS.
Ventilation:NORM VENTILATION IS GENERALLY ADEQUATE. USE LOCAL EXHAUST
SHOULD WHEN LARGE AMOUNTS ARE RELEASED. VENTILATE LOW AREAS.
Protective Gloves:NEOPRENE RUBBER GLOVES.
Eye Protection:NO INFORMATION GIVEN BY MFR ON MSDS.
Other Protective Equipment:SELF-CONTAINED BREATHING APPARATUS IS
REQUIRED IF A SPILL OR RELEASE OCCURS.
Work Hygienic Practices:MFR: ? HMIS:USE GOOD INDUSTRIAL HYGIENE
PRACTICE. AVOID UNNECESSARY EXPOSURE. WASH THOROUGHLY BEFORE EATING
OR DRINKING
Supplemental Safety and Health
AUTODECOMPOSITION AT >1400F,760C.

HCC:G3
NRC/State Lic Num:NONE
Boiling Pt:B.P. Text:-128F,-89C
Vapor Pres:566 PSIA
Vapor Density:3.0
pH:NEUTRL
Evaporation Rate & Reference:> 1 (CCL4 = 1.0)
Solubility in Water:0.042% (WT)
Appearance and Odor:CLEAR, COLORLESS GAS, SLIGHT ETHEREAL ODOR.
DENSITY = 1.233 G/CC.
Percent Volatiles by Volume:100
Corrosion Rate:UNKNOWNN

Stability Indicator/Materials to Avoid:YES
INCOMPATIBLE WITH ALKALI OR ALKALINE EARTH METALS - POWDERED AL, ZN,
BE, ETC.
Stability Condition to Avoid:PRODUCT IS STABLE. HOWEVER AVOID OPEN
FLAMES AND HIGH TEMPERATURES.
Hazardous Decomposition Products:HYDROFLUORIC ACID, HYDROCHLORIC ACID,
POSSIBLY CARBONYL HALIDES
Conditions to Avoid Polymerization:WILL NOT OCCUR.

Waste Disposal Methods:COMPLY WITH FEDERAL, STATE AND LOCAL
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.