Product ID:DYMEL 152A AEROSOL PROPELLANT
MSDS Date:01/16/1992
FSC:6830
NIIN:00N044641
MSDS Number: BTJGH

E I DUPONT DE NEMOURS & CO

1007 MARKET ST
WILMINGTON, DE 19898
US

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

Info Phone: 800-441-9442

Cage: 0ERJ7

E.I. DUPONT DE NEMOURS & CO

WILMINGTON, DE 19898 US

Telephone: 800-441-7515;800-441-9442

Cage: 18873

ETHANE, 1,1-DIFLUORO-; ("DYMEL" 152A)

CAS: 75-37-6

RTECS: KI1410000

Fraction By Weight: 100%

OSHA PEL N/K

ACGIH TLV: N/K

DETECTED BY LABORATORY TESTS. GROSS OVEREXPOSURE

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FOR @ LST 15 MIN. CALL MD. INGEST

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BECAUSE OF POSS DISTURBANCES OF CARDIA

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BE USED WITH SPECIAL CAUTION ONLY IN SITUATIONS OF

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ESPECIALLY LOW PLACES WHERE HEAVY VAPORS MIGHT

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THE GENERIC DEFINITION OF AN IGNITABLE SUBSTANCE

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REPORTING REQUIREMENTS OF CERCLA SECTION 103.

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SHOULD BE USED IN LOW OR ENCLOSED PLACES. GROUND ALL

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ELECTRICAL EQUIPMENT RATED CLASS I, GRP D IN

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PRODUCING ELECTRICAL EQUIP MUST BE EXPLOSION-PROOF

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NOT BE EXPLOSION-PROOF.

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LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO 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 IRREGULARITIES, UNCON OR DEATH. INTENTIONAL
MISUSE OR DELIBERATE INHAL MAY CAUSE DEATH WITHOUT WARNING. VAP
REDUCES OXYGEN AVAIL FOR BRTHG AND I S HVR/AIR. LIQ CNTCT CAN CAUSE
FROSTBITE. HUMAN HLTH EFTS: ACUTE: OVEREXP BY INHAL MAY INCLUDE
(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ: NONSPECIFIC DISCOMFORT, SUCH AS NAUS,
HDCH/ WEAKNESS; OR TEMPORARY NERV SYS DEPRESS W/ANESTHETIC EFTS
SUCH AS DIZZ, HDCH, CONFUSION, INCOORD, & LOSS OF CONSCIOUSNESS.
HIGHER EXPOSURES (>20%) MAY CAUSE TEMPORARY LUNG IRRIT EFTS
W/COUGH, DISCOMFORT, DFCLTY BRTHG/SHORTNESS (SUPP DATA)
Medical Cond Aggravated by Exposure:INDIVIDUALS WITH PREEXISTING
DISEASES OF THE CNS OR CARDIOVASCULAR SYSTEM MAY HAVE INCREASED
SUSCEPTIBILITY TO THE TOXICITY OF EXCESSIVE EXPOSURE.

First Aid:INHAL:IF HIGH CONC ARE INHALED, IMMED REMOVE TO FRESH AIR.
KEEP PERSON CALM. IF NOT BRTHG, GIVE ARTF RESP. IF BRTHG IS DFCLT,
GIVE OXYGEN. CALL MD. SKIN: IMMED FLUSH SKIN WITH PLENTY OF WATER
FOR @ LS T 15 MIN. TREAT FOR FROSTBITE IF NECESSARY BY GENTLY
WARMING AFFECTED AREA. EYE: IMMED FLUSH EYES W/PLENTY OF WATER (ING
3)

Flash Point Method:TOC
Flash Point:<-58F,<-50C
Lower Limits:3.9%
Upper Limits:16.9%
Extinguishing Media:WATER SPRAY, WATER FOG, DRY CHEMICAL, CARBON
DIOXIDE, ALCOHOL FOAM.
Fire Fighting Procedures:KEEP CNTNRS COOL W/WATER SPRAY. IF GAS EXITING
CNTNR IGNITES, STOP FLOW OF GAS. DO NOT PUT OUT FIRE UNLESS LEAK
CAN BE STOPPED IMMED. WEAR NIOSH/MSHA(SUPP DATA)
Unusual Fire/Explosion Hazard:FLAMM. CYLINDERS ARE EQUIPPED
W/TEMPERATURE & PRESSURE RELIEF DEVICES BUT STILL MAY RUPTURE UNDER
FIRE CONDITIONS. USE WATE SPRAY TO COOL CYLINDER & TANKS.

Spill Release Procedures:NOTE:REVIEW FIRE AND EXPLOSION HAZS & SFTY
PREC BEFORE PROCEEDING W/CLEAN UP. USE APPROP PERSONAL PROT EQUIP
DURING CLEAN UP. IF SPILL CAN CAUSE A CONC IN EXCESS OF 1,000 PPM,
TURN OFF VALVES & IGNITE SOURCES. EVACUATE AREA. VENT AREA, (ING
6)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:CLEAN, DRY AREA. DO NOT HEAT ABOVE 52C
(125F). AVOID BRTHG HIGH CONCS OF VAPS & AVOID LIQ CNTCT W/SKIN OR
EYES.
Other Precautions:USE W/SUFFICIENT VENT TO KEEP EMPLOYEE EXPOSURE BELOW
RECOMMENDED LIMITS. LINES & EQUIP WHICH WILL CNTN "DYMEL" AEROSOL
PROPELLANT SHOULD BE PRETESTED W/NITROGEN USING SOAPY WATER TO
DETECT LEAKS.

Respiratory Protection:NIOSH/MSHA APPROVED SCBA IS REQUIRED IF A LARGE
RELEASE OCCURS.
Ventilation:NORMAL VENT FOR STD MFG PROC IS GENERALLY ADEQ. LOC EXHST
SHOULD BE USED WHEN LRG AMTS ARE RELEASED. MECH EXHST (ING 7)
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPVD CHEMICAL SPLASH GOGGLES (FP N
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FIRE FIGHT PROC:APPRVD PRESSURE DEMAND SCBA & FULL PROT EQUIP. DECOMP
PRODS: FORMING HYDROFLUORIC ACIDS, & POSSIBLY CARBONYL FLUORIDES.
EFTS OF OVEREXP:OF BRTH; OR TEMPORARY ALTERATION OF THE HE ART'S
ELEC ACTIVITY W/IRREGULAR PULSE, PALPITATIONS, OR INADEQ
CIRCULATIONS, ABNORMAL KIDNEY FUNCTION AS (ING 2)

HCC:F2
Boiling Pt:B.P. Text:-13F,-25C
Vapor Pres:87 PSIA
Vapor Density:2.4
Spec Gravity:0.1078
Evaporation Rate & Reference:>1 (CCL4=1)
Solubility in Water:0.28 WT @ 25C
Appearance and Odor:CLEAR COLORLESS GAS SLIGHT ETHEREAL ODOR.
Percent Volatiles by Volume:100 WT

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 PRODS ARE HAZ. CAN BE DECOMP BY
HIGH TEMPS (OPEN FLAMES, GLOWING METAL SURFS, ETC.) (SUPP DATA)

Waste Disposal Methods:RECLAIM BY DISTILLATION, INCINERATE OR REMOVE TO
A PERMITTED WASTE FACILITY. COMPLY WITH FEDERAL, STATE AND LOCAL
REGULATIONS. THIS MATL MAY BE AN RCRA REGULATED HAZ WASTE DUE TO
THE IGNITABILITY CHAR ACTERISTIC.

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.