Product ID:FREON 12
MSDS Date:09/23/1991
FSC:6830
NIIN:01-382-5101
MSDS Number: BWMMM

E I DU PONT NEMOURS & CO

1007 MARKET ST
WILMINGTON, DE 19898
US

Emergency Phone: 800-424-9300(CHEMTREC)

Info Phone: 800-441-9450

Preparer: W.J. BROCK

Cage: HO853

E I DU PONT NEMOURS & CO INC

WILMINGTON, DE 19898 US

Telephone: 800-441-7515

Cage: HO853

METHANE, DICHLORODIFLUORO-; (METHANE, DICHLORODIFLUORO-

CAS: 75-71-8

RTECS: PA8200000

Fraction By Weight: 100%

OSHA PEL 1000 PPM

ACGIH TLV: 1000 PPM

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

ALTERED RESP FUNC. EFTS IN ANIMALS FROM LONG-TERM

RTECS: 9999999ZZ

CHEMISTRY & BODY WT GAIN. CHLOROFLUOROCARBON (CFC)

RTECS: 9999999ZZ

LAB ANIMALS & COULD HAVE SIMILAR EFT IN HUMANS.

RTECS: 9999999ZZ

EXCEPT FOR LIFE-SUSTAINING USES IN HUMANS ACUTELY OR

RTECS: 9999999ZZ

SHOULD BE USED W/SPECIAL CAUTION IN

RTECS: 9999999ZZ

5000 LBS/2270 KG.

RTECS: 9999999ZZ

SHOULD BE USED IN LOW PLACES.

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL OF HIGH CONCS OF VAP IS HARMFUL
& MAY CAUSE HEART IRREGS, UNCON/DEATH. INTENTIONAL MISUSE/DELIB
INHAL MAY CAUSE DEATH W/OUT WARNING. VAP REDUCES OXYGEN AVAIL FOR
BRTHG & IS HVR/AIR. LIQ CONT CAN CAUSE FROSTBITE. MAY CAUSE EYE
IRRIT. HUMAN HLTH EFTS OF OVEREXP BY EYE CONT W/VAP MAY INCL EYE
IRRIT (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:W/DISCOMFORT, TEARING/BLURRING OF
VISION. SKIN CONT W/LIQ MAY CAUSE TEMPORARY NERV SYS DEPRESS
W/ANESTH EFTS SUCH AS DIZZ, HDCH, CONFUSN, INCOORD & LOSS OF
CONSCIOUSNESS; TEMPORARY ALTERATION OF HEART'S ELEC ACTIVITY
W/IRREG PULSE, PALPITATIONS/INADEQ CIRCULATION/EFTS OF EXCLUSION OF
OXYGEN W/GROSSLY (SUPDAT)
Medical Cond Aggravated by Exposure:INDIVIDUALS W/PREEXISTING DISEASES
OF THE CENTRAL NERVOUS OR CARDIOVASCULAR SYSTEM MAY HAVE INCREASED
SUSCEPTIBILITY TO THE TOXICITY OF EXCESSIVE EXPOSURE.

First Aid:INGEST:CALL MD IMMED . INHAL:IMMED REMOVE TO FRESH AIR. KEEP
PERS CALM. IF NOT BRTHG, GIVE ARTF RESP. IF BRTHG IS DFCLT, GIVE
OXYGEN. CALL MD. SKIN:FLUSH W/WATER. TREAT FOR FROSTBITE IF NEC BY
G ENTLY WARMING AFFECTED AREA. EYE:IMMED FLUSH W/PLENTY OF WATER
FOR AT LST 15 MINS. CALL MD. NOTES TO MD:BECAUSE OF POSS DISTURB OF
CARDIAC RHYTHM, CATECHOLAMINE DRUGS, SUCH AS EPINEPHRINE, (ING 6)

Flash Point:WILL NOT BURN
Extinguishing Media:AS APPROPRIATE FOR COMBUSTIBLES IN AREA.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED PRESSURE DEMAND SCBA &
FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:THERMAL DECOMP PRODS MAY INCL FLUORIDES,
CHLORIDES & PHOSGENE . USE WATER SPRAY/FOG TO COOL CNTNRS. CYLS MAY
RUPTURE UNDER FIRE CNDTNS. DECOMP MAY OCCUR.

Spill Release Procedures:NOTE:REVIEW FIRE & EXPLO HAZS & SFTY PRECS
BEFORE PROCEEDING W/CLEAN UP. USE APPROP PERSONAL PROT EQUIP DURING
CLEAN UP. VENTILATE AREA - ESP LOW PLACE WHERE HEAVY VAPS MIGHT
COLLECT. REMOVE OPEN FLAM ES. USE NIOSH/MSHA APPRVD SCBA FOR LG
(ING 7)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN CLEAN, DRY AREA. DO NOT HEAT
>125F. USE W/SUFFICIENT VENT TO KEEP EMPLOYEE EXPOSURE BELOW
RECOMMENDED LIMITS.
Other Precautions:NO SMOKING IN AREA OF USE. DO NOT USE IN GENERAL
VICINITY OF ARC WELDING, OPEN FLAMES OR HOT SURFACES. HEAT &/OR UV
RADIATION MAY CAUSE THE FORMATION OF CHLORIDES, FLUORIDES OR
PHOSGENE .

Respiratory Protection:UNDER NORMAL MANUFACTURING CONDITIONS, NO
RESPIRATORY PROTECTION IS REQUIRED WHEN USING THIS PRODUCT.
NIOSH/MSHA APPROVED SCBA IS REQUIRED IF A LARGE RELEASE OCCURS.
Ventilation:NORMAL VENT FOR STD MFG PROCS IS GENERALLY ADEQ. LOC EXHST
SHOULD BE USED WHEN LG AMTS ARE RELS. MECH VENT (ING 8)
Protective Gloves:LINED BUTYL GLOVES.
Eye Protection:ANSI APPROVED CHEM SAFETY GOGGLES
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER MEETING
ANSI DESIGN CRITERIA .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
VP:94.5 PSIA @ 25C. DECOMP TEMP:>1400F,>760C. HAZ DECOMP
PROD:HYDROCHLORIC & HYDROFLUORIC ACIDS & POSS CARBONYL HALIDES.
CHLORIDES, FLUORIDES & PHOSGENE . EFTS OF OVEREXP:EXCESSIVE EXPOS.
EFTS I N ANIMALS FROM SINGLE HIGH EXPOS BY INHAL INCL ANESTH &
IRREG HEARTBEAT (CARDIAC ARRYTHS). RPTD INHAL EXPOS PRDCD(ING 2)

Boiling Pt:B.P. Text:-22F,-30C
Decomp Temp:Decomp Text:SUPP DATA
Vapor Pres:SUPP DATA
Vapor Density:4.26
Spec Gravity:1.315 (LIQ)
pH:NEUT
Solubility in Water:0.028 WT % @ 25C
Appearance and Odor:CLEAR, COLORLESS, LIQUIFIED GAS; SLIGHT ETHEREAL
ODOR.
Percent Volatiles by Volume:100-WT

Stability Indicator/Materials to Avoid:YES
INCOMPATIBLE W/ALKALI OR ALKALINE EARTH METALS - POWDERED AL, ZN, BE,
ETC.
Stability Condition to Avoid:AVOID OPEN FLAMES & HIGH TEMPERATURES.
Hazardous Decomposition Products:DECOMP PRODS ARE HAZ. "FREON" 12 CAN
BE DECOMPOSED BY HIGH TEMPS (OPEN FLAMES, GLOWING METAL SURFS, ETC)
FORMING(SUPDAT)

Waste Disposal Methods:COMPLY W/FEDERAL, STATE & LOCAL REGULATIONS.
RECLAIM BY DISTILLATION OR REMOVE TO A PERMITTED WASTE 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.