Product ID:DYMEL 22/DYMEL A AEROSOL 70/30
MSDS Date:05/01/1989
FSC:6830
NIIN:00F027057
MSDS Number: BQYZG

DU PONT E I DE NEMOURS & CO INC

1251 BRANDYWINE BLDG
WILMINGTON, DE 19898
US

Emergency Phone: 302-773-5676 OR 800-441-3637

Info Phone: 302-773-5676 OR 800-441-9450

Preparer: K P BROWN

Cage: 0BA38

DU PONT E I DE NEMOURS AND CO INC CHEM

WILMINGTON, DE 19880-0800 US

Telephone: 800-441-7515

Cage: 0BA38

CHLORODIFLUOROMETHANE, FREON 22, MONOCHLORODIFLUOROMETHANE

CAS: 75-45-6

RTECS: PA6390000

Fraction By Weight: 70%

OSHA PEL 1000 PPM

ACGIH TLV: 3540 MG/CUM

DIMETHYL ETHER, METHYL ETHER

CAS: 115-10-6

RTECS: PM4780000

Fraction By Weight: 30%

ACGIH TLV: NONE

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: HARMFUL/HEART
IRREGULARITIES/UNCONSCIOUSNESS/VAPOR SUFFOCATION/DEATH. SKIN:
FROSTBITE/FREEZING. EYES: IRRITATION W/DISCOMFORT/TEARING/BLURRED
VISION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INHALATION: VAPORS MAY CAUSE TEMPORARY NERVOUS
SYSTEM DEPRESSION W/ANAESTHETIC EFFECTS/TEMPORARY ALTERATION OF
HEART'S ELECTRICAL ACTIVITY W/IRREGULAR
PULSE/PALPITATION/INADEQUATE CIRCULATION/DEATH/NO NSPECIFIC
DISCOMFORT (NAUSEA/HEADACHE/WEAKNESS)/INCREASED SUSCEPTIBILITY TO
CARDIAC ARRHYTHMIC EFFECTS OF EPINEPHRINE.
Medical Cond Aggravated by Exposure:DISEASE OF CENTRAL NERVOUS OR
CARDIOVASCULAR SYSTEMS

First Aid:INHALATION: REMOVE TO FRESH AIR. KEEP CALM. IF NOT
BREATHING/BREATHING IS DIFFICULT GIVE CPR/OXYGEN. SKIN: FLUSH
W/WATER. TREAT FOR FROSTBITE. EYES: FLUSH W/PLENTY OF WATER. OBTAIN
MEDICAL ATTENTION I N ALL CASES. NOTE TO PHYSICIAN: BECAUSEOF
POSSIBLE DISTURBANCE OF CARDIAC RHYTHM, CATECHOLAMINE DRUGS
(EPINEPHRINE) SHOULD BE USED W/SPECIAL CAUTION ONLY IN SITUATIONS
OF EMERGENCY LIFE SUPPORT.

Extinguishing Media:CO2, DRY CHEMICAL, ALCOHOL FOAM, HALON 1301. KEEP
CONTAINERS COOL W/WATER SPRAY.
Fire Fighting Procedures:IF GAS EXITING CONTAINER IGNITES, STOP GAS
FLOW. DON'T PUT OUT FIRE UNLESS LEAK CAN BE STOPPED IMMEDIATELY.
WEAR SCBA IF CONTAINERS RUPTURE/CONTENT IS RELEASED.
Unusual Fire/Explosion Hazard:CYLINDERS RUPTURE/EXPLODE UNDER FIRE
CONDITIONS. BLENDS CONTAINING >9.5 WT% OF DIMETHYL ETHER ARE
FLAMMABLE WHEN VAPORIZED IN AIR. VAPORS ARE HEAVIER THAN AIR.

Spill Release Procedures:KEEP UPWIND OF LEAK. EVACUATE AREA UNTIL GAS
HAS DISPERSED. WEAR SELF-CONTAINED BREATHING APPARATUS FOR LARGE
SPILLS OR LEAKS.

Handling and Storage Precautions:STORE IN CLEAN/DRY AREA. DON'T HEAT
>125F. STORE AWAY FROM OXYGEN CYLINDERS/OXIDIZING
MATERIALS/IGNITION SOURCE. INTENTIONAL MISUSE CAN BE FATAL.
Other Precautions:AVOID BREATHING VAPORS/CONTACT OF LIQUID W/EYES/SKIN.
USE W/SUFFICIENT VENTILATION TO KEEP EMPLOYEE EXPOSURE BELOW
RECOMMENDED LIMIT. GROUND ALL EQUIPMENT/CYLINDERS BEFORE USE. USE
EXPLOSION-PROOF ELE CTRICAL EQUIPMENT.

Respiratory Protection:SELF-CONTAINED BREATHING APPARATUS IS REQUIRED
IF A LARGE SPILL OR RELEASE OCCURS. UNDER NORMAL MANUFACTURING
CONDITIONS, NO RESPIRATORY PROTECTION IS REQUIRED WHEN USING THIS
PRODUCT.
Ventilation:NORMAL VENTILATION IS GENERALLY ADEQUATE. LOCAL EXHAUST:
FOR LARGE AMOUNTS. MECHANICAL: IN LOW PLACES.
Protective Gloves:LINED RUBBER
Eye Protection:CHEMICAL SPLASH GOGGLES
Work Hygienic Practices:CLEAN, DRY & PURGE EQUIPMENT W/NITROGEN BEFORE
PUTTING INTO SERVICE.
Supplemental Safety and Health

Boiling Pt:B.P. Text:-33C/-28.9F
Vapor Pres:75.8 PSIG
Vapor Density:2.57
Spec Gravity:0.961 G/CC
Solubility in Water:0.3-7.3 WT% AT 77F
Appearance and Odor:CLEAR, COLORLESS LIQUEFIED GAS W/SLIGHT ETHEREAL
ODOR.
Percent Volatiles by Volume:100%

Stability Indicator/Materials to Avoid:YES
ALKALI OR ALKALINE EARTH METALS SUCH AS POWDERED ALUMINUM, ZINC,
BERYLLIUM, ETC., OXYGEN CYLINDERS/MATERIALS
Stability Condition to Avoid:HIGH TEMPERATURES FROM OPEN FLAMES,
GLOWING METAL SURFACES, HEAT >125F, & OTHER SOURCES OF IGNITION
Hazardous Decomposition Products:HYDROCHLORIC & HYDROFLUORIC ACIDS

Waste Disposal Methods:MATERIAL MAY BE RCRA REGULATED HAZARDOUS WASTE
UPON DISPOSAL DUE TO IGNITABILITY CHARACTERISTIC. USE DISPOSAL
CONTRACTOR. COMPLY W/FEDERAL/STATE/LOCAL REGULATIONS.
IGNITABLE/CORROSIVE/REACTIVE. REPORT ABLE QUANTITY=100 LBS.
UN1078/NA1954 FLAMMABLE GAS

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.