Product ID:FREON 500 REFRIGERANT
MSDS Date:06/10/1991
FSC:6830
NIIN:01-137-7971
MSDS Number: BGNNJ

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, 302-999-5072

Cage: 73925

DU PONT E I DE NEMOURS AND CO INC PETROCHEMICALS DEPT

WILMINGTON, DE 19898

Telephone: 302-773-5676

Cage: 73925

DICHLORODIFLUOROMETHANE (SARA III) (FREON 12)

CAS: 75-71-8

RTECS: PA8200000

Fraction By Weight: 73.8%

OSHA PEL 1000 PPM

ACGIH TLV: 1000 PPM; 9394

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

DIFLUOROETHANE (FC-152A)

CAS: 75-37-6

RTECS: KI1410000

Fraction By Weight: 26.2%

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL:HI VAP CONC HARMFUL,MAY CAUSE
HEART IRREG,UNCONSC,DEATH,CNS DEPRESS.VAP REDUCES OXY AVAILABLE FOR
BREATH & IS HEAVIER THAN AIR.LIQ CONTACT CAN CAUSE
FROSTBITE.SKIN:FROSTBITE,MILD SKIN IRRIT W/DI SCOMFORT.EYE:IRRIT
W/DISCOMFORT.>20% EXPO TEMP LUNG IRRIT & ALTERATION OF HEART
ELECTRICAL ACTIVITY W/IRREG PULSE,(SUPP)
Explanation of Carcinogenicity:PER MSDS:NONE OF COMPONENTS PRESENT IN
MATL @CONC =/>0.1% ARE LISTED BY IARC/NTP/OSHA/ACGIH AS A
CARCINOGEN.
Effects of Overexposure:HEART IRREG,UNCONSC,DEATH.FROSTBITE.MILD SKIN
IRRIT W/DISCOMFORT.EYE TEARING,BLURRING OF
VISION.INHAL:NAUSEA,HEADACHE,WEAKNESS,TEMP NERVOUS SYSTEM
DEPRESSION W/ANESTHETIC EFFECTS SUCH AS DIZZINESS,HEA
DACHE,CONFUSION,INCOORDINATION,LOSS OF CONS.TEMP LUNG
IRRIT-COUGH,DISCOMFORT,DIFFICULTY BREATHING,SHORTNESS OF BREATH.
Medical Cond Aggravated by Exposure:INDIVIDUALS W/PRE-EXISTING DISEASES
OF CENTRAL NERVOUS SYS,CARDIOVASCULARSYS,LUNGS OR KIDNEYS MAY HAVE
INCREASED SUSCEPTIBILITY TO TOXICITY OF EXCESSIVE EXPOSURES.

First Aid:INHAL:IMMED REMOVE TO FRESH AIR.KEEP PERSON CALM.NOT BREATH
GIVE ART RESP.BREATH DIFFICULT GIVE OXY.CALL PHYSICIAN.SKIN:FLUSH
W/WATER FOR 15MINS.TREAT FOR FROSTBITE BY GENTLY WARMING AFFECTED
AREA.IRR IT PRESENT GET MED ATTN.EYE:IMMED FLUSHW/PLENTY OF WTER
FOR 15MINS.CALL PHYSICIAN.INGEST:NOT CONSIDERED POTENTIAL ROUTE OF
EXPOSURE.PHYSICIAN:BECAUSE OF POSSIBLE DISTURBANCES OF CARDIAC
RHYTHM (SUPP)

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.USE WATER
SPRAY/FOG TO COOL CNTNR.
Unusual Fire/Explosion Hazard:CYL ARE EQUIPPPED W/TEMP/PRESSURE RELIEF
DEVICES BUT MAY STILL RUPTURE UNDER FIRE CONDITIONS.DECOMPOSITION
MAY OCCUR.

Spill Release Procedures:USE APPROPRIATE PPE DURING CLEANUP.VENTI AREA
ESPECIALLY LOW PLACES.WEAR SCBA FOR LG SPILLS.REMOVE OPEN FLAMES.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID BREATHING VAPORS.AVOID LIQ
CONTACT W/SKIN/EYES.USE W/SUFFICIENT VENTILATION TO KEEP EMPLOYEE
EXPO BELOW RECOMMENDED LIMITS.
Other Precautions:STORE IN CLEAN,DRY AREA.DO NOT HEAT ABOVE 125F.

Respiratory Protection:UNDER NORMAL MFG CONDITIONS NO RESPIRATORY
PROTECTION IS REQUIRED WHEN USING THIS PRODUCT.SELF-CONTAINED
BREATHING APPARATUS (SCBA) IS REQUIRED IF SPILL OCCURS.
Ventilation:NORMAL VENTI FOR STD MFG PROCEDURES.LOC EXH SHOULD BE USED
WHEN LG AMTS RELEASED.MECH VENTI SHOULD BE USED IN LOW PLACES
Protective Gloves:IMPERVIOUS GLOVES
Eye Protection:CHEM SPLASH GOGGLES.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:FOLLOW GOOD HYGENIC PRACTICES.
Supplemental Safety and Health
HEALTH HAZ:PALPITATIONS,INADEQUATE CIRCULATION,ABNORMAL KIDNEY FUNCTION
AS DETECTED BY LAB TEST;FATALITY FRM GROSS
OVEREXPO.1STAID:CATECHOLAMINE DRUGS SUCH AS EPINEPHRINE SHOULD BE
USED W/SPECIAL CAUT ION IN SITUATIONS OF EMERG LIFE SUPPORT.
AUTODECOM TEMP:DICHLORODIFLUOROMETHAND:<760C;DIFLUOROETHANE:<445C.

HCC:G3
Boiling Pt:B.P. Text:-27F,-33C
Decomp Temp:Decomp Text:SUPPLEMENTA
Vapor Pres:232PSI@54C
Vapor Density:3.7
Spec Gravity:1.16G/CC @25C
Evaporation Rate & Reference:LESS THAN 1, CCL4=1
Appearance and Odor:LIQUIFIED GAS, COLORLESS, SLIGHT ETHEREAL, CLEAR
APPEARANCE.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
INCOMPATIBLE WITH ALKALI OR ALKALINE EARTH METALS-POWDERED AL, ZN, BE,
ETC.
Stability Condition to Avoid:AVOID OPEN FLAMES AND HIGH TEMPERATURES.
Hazardous Decomposition Products:DECOMP PROD-HAZ.CAN BE DECOMPOSED BY
HI TEMP(OPN FLAME,GLOW METAL SURFACES,ETC)FORMING HCL OR CF
ACIDS,CARBONYL HALIDES.

Waste Disposal Methods:COMPLY WITH LOCAL, STATE AND FEDERAL
REGULATIONS. RECLAIM BY DISTILLATION OR REMOVE TO A PERMITTED WASTE
DISPOSAL FACILITY. FREON 12 COMPONENT IS CERCLA HZ SUBSTANCE &
TOXIC CHEMICAL. RQ FREON 12:5000 LBS/2270 KG.

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.