E I DUPONT DE NEMOURS & CO, INC. -- FREON 22  -- 6685-00-291-1017
<pre>=====================  Product Identification  =====================

Product ID:FREON 22
MSDS Date:07/01/1988
FSC:6685
NIIN:00-291-1017
MSDS Number: BSHSV
=== Responsible Party ===
Company Name:E I DUPONT DE NEMOURS & CO, INC.
Address:1007 MARKET ST
City:WILMINGTON
State:DE
ZIP:19899
Country:US
Info Phone Num:800-441-9450
Emergency Phone Num:800-424-9300,TRAN; 800-441-3637,MED
CAGE:0ERJ7
=== Contractor Identification ===
Company Name:E I DUPONT DE NEMOURS & CO, INC.
Address:1007 MARKET STREET
City:WILMINGTON
State:DE
ZIP:19898
Country:US
Phone:800-441-7515
CAGE:0ERJ7
Company Name:TETRA MFG CORP (CAGE CANCELLED)
Address:CAGE CANCELLED
City:WESTBURY
State:NY
ZIP:11590
Country:US
Phone:NONE
CAGE:23027

=============  Composition/Information on Ingredients  =============

Ingred Name:CHLORODIFLUOROMETHANE
CAS:75-45-6
RTECS #:PA6390000
Fraction by Wt: 100%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:1000 PPM
ACGIH TLV:1000 PPM; 9394
Ozone Depleting Chemical:2

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:INHALATION 4-HOUR LC50: 220,000 PPM-RATS
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:HIGHER EXPOSURES MAY LEAD TO THESE
    EFFECTS: TEMPORARY ALTERATION OF THE HEART'S ELECTRICAL ACTIVITY
    WITH IRREGULAR PULSE, PALPITATIONS OR INADEQUATE CIRCULATION. THERE
    ARE NO REPORTS OF HUMAN SENSITIZ ATION.
Effects of Overexposure:HUMAN HEALTH EFFECTS OF OVEREXPOSURE BY
    INHALATION, INGESTION, OR SKIN OR EYE CONTACT MAY INITIALLY
    INCLUDE: CENTRAL NERVOUS SYSTEM EFFECTS. FATALITY FROM GROSS
    OVEREXPOSURE MAY OCCUR.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

=======================  First Aid Measures  =======================

First Aid:INHALATION- REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE
    ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
    CALL A PHYSICIAN. SKIN- FLUSH WITH WATER. TREAT FOR FROSTBITE IF
    NECESSARY. EYES - IMMEDIATELY FLUSH EYES WITH PLENTY OFWATER. CALL
    A PHYSICIAN. INGESTION- NOT CONSIDERED A POTENTIAL ROUTE OF
    EXPOSURE.

=====================  Fire Fighting Measures  =====================

Flash Point:NONE
Autoignition Temp:Autoignition Temp Text:632C
Extinguishing Media:AS APPROPRIATE FOR COMBUSTIBLES IN AREA.
    EXTINGUISHANT FOR OTHER BURNING MATERIAL IN AREA IS SUFFICIENT TO
    STOP BURNING.
Fire Fighting Procedures:SELF-CONTAINED BREATHING APPARATUS (SCBA) IS
    REQUIRED IF CYLINDERS RUPTURE OR CONTENTS ARE RELEASED UNDER FIRE
    CONDITIONS.
Unusual Fire/Explosion Hazard:NONE

==================  Accidental Release Measures  ==================

Spill Release Procedures:VENTILATE AREA- ESPECIALLY LOW PLACES WHERE
    HEAVY VAPORS MIGHT COLLECT. REMOVE OPEN FLAMES. USE SELF-CONTAINED
    BREATHING APPARATUS (SCBA) FOR LARGE SPILLS OR RELEASES.

======================	Handling and Storage  ======================

Handling and Storage Precautions:AVOID BREATHING VAPORS AND LIQUID
    CONTACT WITH SKIN OR EYES. USE WITH SUFFICIENT VENTILATION TO KEEP
    EMPLOYEE EXPOSURE BELOW RECOMMENDED LIMITS.
Other Precautions:NOTE TO PHYSICIANS: BECAUSE OF POSSIBLE DISTURBANCES
    OF CARDIAC RHYTHM, CATECHOLAMINE DRUGS, SUCH AS EPINEPHRINE, SHOULD
    BE USED WITH SPECIAL CAUTION IN SITUATIONS OF EMERGENCY LIFE
    SUPPORT.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:UNDER NORMAL MANUFACTURING CONDITIONS, NO
    RESPIRATORY PROTECTION IS REQUIRED WHEN USING THIS PRODUCT.
    SELF-CONTAINED BREATHING APPARATUS (SCBA) IS REQUIRED IF A LARGE
    RELEASE OCCURS.
Ventilation:MECHANICAL VENTILATION SHOULD BE USED IN LOW PLACES. NORMAL
    VENTILATION FOR STANDARD PROCEDURES IS NORMALLY ADEQUATE.
Protective Gloves:LINED BUTYL GLOVES.
Eye Protection:CHEMICAL SPLASH GOGGLES.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
NONE

==================  Physical/Chemical Properties  ==================

HCC:G3
Boiling Pt:B.P. Text:-41F,-41C
Vapor Pres:151 PSIG
Vapor Density:3.03
Spec Gravity:1.194
Evaporation Rate &amp; Reference:>1 (CCL4 = 1)
Solubility in Water:0.30%
Appearance and Odor:CLEAR LIQUEFIED COLORLESS GAS.
Percent Volatiles by Volume:100

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
ALKALI OR ALKALINE EARTH METALS - POWDERED ALUMINUM, ZINC, BERYLLIUM,
    ETC.
Stability Condition to Avoid:OPEN FLAMES AND HIGH TEMPERATURES.
Hazardous Decomposition Products:HYDROCHLORIC AND HYDROFLUORIC ACIDS,
    POSSIBLY CARBONYL HALIDES.

====================  Disposal Considerations  ====================

Waste Disposal Methods:RECLAIM BY DISTILLATION. COMPLY WITH FEDERAL,
    STATE AND LOCAL REGULATIONS.

 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.