Product ID:FREON 500 REFRIGERANT
MSDS Date:06/10/1991
FSC:6830
NIIN:00-088-0676
MSDS Number: BCYJZ

E. I. DUPONT DE NEMOURS AND COMPANY

FREON PRODUCTS DIVISION
WILMINGTON, DE 19898
US

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

Info Phone: 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

DICHLORODIFLUOROMETHANE (SARA 313) (CERCLA)

CAS: 75-71-8

RTECS: PA8200000

Fraction By Weight: 73.8%

OSHA PEL 1000 PPM

ACGIH TLV: 1000 PPM; 9596

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

DIFLUOROETHANE

CAS: 75-37-6

RTECS: KI1410000

Fraction By Weight: 26.2%

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
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.VAP REDUCES OXY AVAIL FOR
BREATHING,HEAVIER THAN AIR.LIQ CAN CAUSE FROSTBITE,MILD SKIN IRRIT
W/DISCOMFT.EYE IRRIT W/DISCOMFT,TEARING,BLURR ING OF VISION.INHAL
NONSPEC DISCOMFT-NAU,HEAD,WEAK,TEMP NERV SYS DEPRESS W/ANESTHETIC
EFFECTS-DIZZ,HEAD,CONFUSION(SUPPL)
Explanation of Carcinogenicity:PER MSDS:NONE OF COMPONENETS IN MATL
LISTED BY IARC/NTP/OSHA/ACGIH AS CARCINOGEN.
Effects of Overexposure:SEE HEALTH HAZARDS SECTION OF MSDS.
Medical Cond Aggravated by Exposure:INDIVIDUALS W/PRE-EXISTING DISEASE
OF CENTRAL NERVOUS SYSTEM,CARDIOVASCULAR SYSTEM,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;DIFFI BREATH GIVE OXY.CALL DR.SKIN:FLUSH W/WATER FOR
15MINS.TREAT FOR FROSTBITE IF NECESSARY BY GENTLY WARMING AFFECTED
AREAS. IRRIT PRESENT GET MED ATTN.EYE:IMMED FLUSH W/PLENTY OF WATER
FOR 15MINS.CALL DR.INGEST:NOT CONSIDERED POTENTIAL ROUTE OF
EXPO.DR:BECAUSE OF POSSIBLE DISTURB OF CARDIAC RHYTHM,CATECHOLAMINE
DRUGS(SUPP)

Flash Point:WILL NOT BURN
Autoignition Temp:Autoignition Temp Text:NP
Lower Limits:NA
Upper Limits:NA
Extinguishing Media:AS APPROPRIATE FOR COMBUSTIBLES IN AREA.
Fire Fighting Procedures:SELF-CONTAINED BREATHING APPARATUS(SCBA)IS
REQUIRED IF CYLINDERS RUPTURE OR RELEASE UNDER FIRE CONDITIONS.
Unusual Fire/Explosion Hazard:USE WATERSPRAY/FOG TO COOL
CNTNRS.CYLINDERS EQUIPPED W/TEMP/PRESSURE RELIEF DEVICES BUT MAY
STILL RUPTURE UNDER FIRE CONDITIONS.DECOMPOSITION MAY OCCUR.

Spill Release Procedures:REVI FIRE/EXPLO HA/SAF PRECAUT OF MSDS BEF
CLEANUP.USE APPROPRIATE PPE DURING CLEANUP.VENTI AREA ESPECIALLY
LOW PLACES WHERE HEAVY VAP MIGHT COLLECT.WEAR SELF-CONTAINED
BREATHING APPARATUS (SCBA) FOR LG SPILLS.REMOVE OPEN FLAMES.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID BREATH VAP.AVOID LIQ CONTACT
W/SKIN/EYE.USE W/SUFFICIENT VENTILATION TO KEEP EMPLOYEE EXPOSURE
BELOW RECOMMENDED LIMITS.
Other Precautions:INTENTIONAL MISUSE/DELIBERATE INHAL MAY CAUSE DEATH
W/O WARNING.

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:NORM VENTI FOR STD MFG PROCEDURES GENERALLY ADEQU.LOC EXHAU
USED WHEN LG AMTS RELEASED.MECH VENTI USED IN LOW PLACES.
Protective Gloves:IMPERVIOUS GLOVES
Eye Protection:CHEMICAL SPLASH GOGG
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
HEALTH:INCOORD,LOSS OF CONSC.EXPO >20% MAY LEAD TO TEMP LUNG IRRIT
EFFECTS W/COUGH,DISCOMFT,DIFFI BREATH,SHORTNESS OF BREATH,TEMP
ALTERATION OF HEART'S ELECTRICAL ACTIVITY W/IRREG
PULSE,PALPITATIONS,I NADEQUA CIRCULATION,ABNORM KIDNEY
FUNCTION,FATALITY FROM GROSS OVEREXPO. 1STAID:(EPINEPHRINE)SHOULD
BE USE W/SPEC CAUT.

HCC:G3
Boiling Pt:B.P. Text:-27F,-33C
Melt/Freeze Pt:M.P/F.P Text:NP
Decomp Temp:Decomp Text:NP
Vapor Pres:232PSIA
Vapor Density:3.7
Spec Gravity:DENS=1.16G/CC
pH:NP
Viscosity:NP
Evaporation Rate & Reference:<1, CCL4=1.0.
Solubility in Water:NP
Appearance and Odor:LIQUIFIED GAS, COLORLESS, SLIGHT ETHEREAL, CLEAR.
Percent Volatiles by Volume:100
Corrosion Rate:NP

Stability Indicator/Materials to Avoid:YES
W/ALKALI OR ALKALINE EARTH METALS-POWDERED AL, ZN, BE, ETC.
Stability Condition to Avoid:AVOID OPEN FLAMES & HIGH TEMPERATURES.
Hazardous Decomposition Products:DECOMPO BY HIGH TEMP(OPN
FLAMES,GLOWING METAL SURFACE,ETC)FORMING HYDROCHLORIC &
HYDROFLUORIC ACIDS,CARBONYL HALIDES.

Waste Disposal Methods:COMPLY W/LOCAL, STATE AND FEDERAL
REGULATIONS.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.