Product ID:FREON 500 REFRIGERANT (DU001075)
MSDS Date:06/10/1991
FSC:6830
NIIN:00-089-0697
MSDS Number: BYXRP

E.I.DUPONT DE NEMOURS & CO.

CHESTNUT RUN
WILMINGTON, DE 19898

Emergency Phone: 302-774-2421

Info Phone: 302-774-2421

Preparer: W. J. BROCK

Cage: DO229

E.I.DUPONT DE NEMOURS & CO INC

1635 BOSTON, MA 02118

Telephone: 800-441-7515

Cage: DO229

DICHLORODIFLUOROMETHANE (SARA III) (AUTOIGNIT = <1400F)

CAS: 75-71-8

RTECS: PA8200000

Fraction By Weight: 73.8%

OSHA PEL 1000 PPM 8 HR TWA

ACGIH TLV: 1000 PPM 8 HR TWA

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

DIFLUOROETHANE (AUTOIGNIT = <836F)

CAS: 75-37-6

RTECS: KI1410000

Fraction By Weight: 26.2%

OSHA PEL NOT EST.

LD50 LC50 Mixture:SEE SUPLIMENTAL DATA.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:UNKNOWN IARC:UNKNOWN OSHA:YES
Health Hazards Acute and Chronic:SKIN: POS FROST BITE/MILD
IRRIT/SENSITIZATION. EYES: IRRIT/TEARING/BLURRY VISION. INHAL: POS
NAUSEA/HEADACHE/WEAKNESS. TEMPORARY NS DEPRESSION W/DIZZINESS,
HEADACHE, CONFUSION, INCOORDINATION, LOSS CO NSCIOUSNESS. HIGH
EXPOS, >20% MAY LEAD TEMPORARY LUNG IRRIT
W/COUGH/DISCOMFORT/DIFFICULT BREATHING/SHORTNESS BREATH;*
Explanation of Carcinogenicity:CONTAINS 2-A [53-96-3]
WHICH IS LISTED BY NTP AND IARC AND REGULATED BY OSHA AS A
CARCINOGEN.
Effects of Overexposure:NK *TEMP ALTERATION OF HEART ELECTRICAL
ACTIVITY W/IRREG PULSE/PALPITATIONS/INADEQUATE CIRCULATION/ABNORMAL
KIDNEY FUNCTION/FATALITY FROM GROSS OVEREXPOSURE.
Medical Cond Aggravated by Exposure:INDIVIDUALS W/PREEXISTING DISEASES
OF CNS, CARDIOVASCULAR SYSTEM, LUNGS OR KIDNEYS MAY HAVE INCREASED
SUSCEPTIBILITY TO TOXICITY OF EXCESSIVE EXPOSURES.

First Aid:INHAL: GET FRESH AIR IMMED. KEEP CALM. IF NOT BREATHING GIVE
ARTIF RESP. IF BREATHING DIFFICULT, GIVE OXYGEN. CALL DR. SKIN:
FLUSH W/WATER 15 MIN. IF FROST BITE, WARM AFFECTED AREAS. GET MED
AID IF IR RIT PRESENT. EYES: FLUSH IMMED W/LOTS H2O 15 MIN. CALL
DR. NOTE TO DR.: BECAUSE POS CARDIAC RHYTHM DISTURBANCE,
CATECHOLANINE DRUGS (EPINEPHRINE) SHOULD BE USED W/SPECIAL CAUTION
IN EMER LIFE SUPPORT.

Flash Point:NONE
Extinguishing Media:AS APPROPRIATE FOR COMBUSTIBLES IN AREA.
Fire Fighting Procedures:SCBA REQUIRED IF CYLINDERS RUPTURE/RELEASE
UNDER FIRE CONDITIONS.
Unusual Fire/Explosion Hazard:USE WATER SPRAY/FOG TO COOL CONTAINERS.
CYLINDERS ARE EQUIPPED W/TEMP & PRESSURE RELIEF DEVICES BUT MAY
STILL RUPTURE UNDER FIRE CONDITIONS. DECOMP POSSIBLE.

Spill Release Procedures:REVIEW FIRE EXPLN HAZ/SAFETY PRECAUTIONS
BEFORE CLEAN UP. USE APPROPRIATE PERSONAL PROTECTIVE EQUIP.
VENTILATE AREA, ESPEC LOW PLACES WHERE VAPORS MIGHT COLLECT. USE
SCBA FOR LARGE SPILLS. REMOVE OPEN FLAMES.

Handling and Storage Precautions:STORE CONTAINERS IN COOL, CLEAN DRY
AREA. DO NOT ALLOW TEMP TO RISE ABOVE 125F.
Other Precautions:AVOID BREATHING VAPORS. AVOID LIQUID CONTACT
W/SKIN/EYES. USE SUFFICIENT VENTILATION TO KEEP EMPLOYEE EXPOSURE
BELOW RECOMMENDED LIMITS.

Respiratory Protection:NOT REQUIRED UNDER NORMAL MFG CONDITIONS. SCBA
REQUIRED IF SPILL OCCURS.
Ventilation:NORMAL FOR STANDARD MFG ADEQUATE. LOCAL EXHAUST WHEN LG
AMTS RELEASED. MECHANCL VENT SHOULD BE USED IN LOW PLACES.
Protective Gloves:RUBBER,PLASTIC
Eye Protection:CHEMICAL SPLASH GOGGLES
Other Protective Equipment:USE GLOVES & FACE SHIELD WHEN HANDLING
LIQUID
Supplemental Safety and Health
INHALATION 4-HR ALC = 383,000 PPM RATS. ORAL ALD RATS = >1500 MG/KG.

HCC:G3
Boiling Pt:B.P. Text:-28F (-33C)
Vapor Pres:232 PSIA
Vapor Density:3.7
Evaporation Rate & Reference:<1 (CCL4 - 1.0)
Appearance and Odor:COLORLESS LIQUID, SLIGHT ETHERAL ODOR.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
ALKALI/ALKALINE EARTHMETALS. AVOID POWDERED AL, ZN, BE,ETC.
Stability Condition to Avoid:OPEN FLAMES, HIGH TEMPERATURES.
Hazardous Decomposition Products:HYDROCHLORIC/HYDROFLUORIC ACIDS.
POSSIBLY CARBONYL HALIDES.

Waste Disposal Methods:DISPOSE IN COMPLIANCE W/APPLICABLE LAWS. RECLAIM
BY DISTILLATION OR REMOVE TO PERMITTED WASTE DISPOSAL FACILITY.

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.