Material Safety Data Sheet
Chlorodifluoromethane (Halocarbon 22)
Section 1. Chemical product and company identification
: Chlorodifluoromethane (Halocarbon 22)
Product Name
: AIRGAS INC., on behalf of its subsidiaries
Supplier
259 North Radnor-Chester Road
Suite 100
Radnor, PA 19087-5283
1-610-687-5253
: Synthetic/Analytical chemistry.Refrigeration.
Product use
: 001016
MSDS#
Date of : 5/19/2005.
Preparation/Revision
: 1-800-949-7937
In case of emergency
Section 2. Composition, Information on Ingredients
Name CAS number % Volume Exposure limits
Chlorodifluoromethane (Halocarbon 22) 75-45-6 100 ACGIH TLV (United States, 5/2004). Notes:
1996 Adoption Refers to Appendix A --
Carcinogens.
TWA: 3540 mg/m 3 8 hour(s). Form: All forms
TWA: 1000 ppm 8 hour(s). Form: All forms
NIOSH REL (United States, 6/2001).
STEL: 4375 mg/m 3 15 minute(s). Form: All
forms
STEL: 1250 ppm 15 minute(s). Form: All
forms
TWA: 3500 mg/m 3 10 hour(s). Form: All
forms
TWA: 1000 ppm 10 hour(s). Form: All forms
Section 3. Hazards identification
: Gas. (COLORLESS LIQUEFIED COMPRESSED GAS WITH A FAINT ODOR)
Physical state
: Warning!
Emergency overview
CONTENTS UNDER PRESSURE.
CAUSES DAMAGE TO THE FOLLOWING ORGANS: KIDNEYS, LIVER, SPLEEN,
CARDIOVASCULAR SYSTEM, RESPIRATORY TRACT, CENTRAL NERVOUS SYSTEM.
POSSIBLE CANCER HAZARD.
MAY CAUSE CANCER BASED ON ANIMAL DATA.
Do not puncture or incinerate container. Risk of cancer depends on duration and level of
exposure.
Contact with rapidly expanding gases can cause frostbite.
Inhalation
Routes of entry :
Potential acute health effects
No known significant effects or critical hazards.
Eyes :
No known significant effects or critical hazards.
Skin :
Acts as a simple asphyxiant.
Inhalation :
Ingestion is not a normal route of exposure for gases
:
Ingestion
CARCINOGENIC EFFECTS A4 (Not classifiable for human or animal.) by ACGIH, 3 (Not
:
Potential chronic health :
classifiable for human.) by IARC.
effects
MUTAGENIC EFFECTSNot available.
:
TERATOGENIC EFFECTSNot available.
:
Medical conditions : Acute or chronic respiratory conditions may be aggravated by overexposure to this gas.
aggravated by overexposure
See toxicological Information (section 11)
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Chlorodifluoromethane (Halocarbon 22)
Section 4. First aid measures
No action shall be taken involving any personal risk or without suitable training.If fumes are still suspected to be present,
the rescuer should wear an appropriate mask or a self-contained breathing apparatus.It may be dangerous to the person
providing aid to give mouth-to-mouth resuscitation.
: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes.
Eye contact
Get medical attention if irritation occurs.
: In case of contact, immediately flush skin with plenty of water. Remove contaminated
Skin contact
clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse.
Get medical attention.
: Try to warm up the frozen tissues and seek medical attention.
Frostbite
: If inhaled, remove to fresh air. If breathing is difficult, give oxygen. If not breathing, give
Inhalation
artificial respiration. Get medical attention.
: Do NOT induce vomiting unless directed to do so by medical personnel. Never give
Ingestion
anything by mouth to an unconscious person. Get medical attention if symptoms
appear.
Section 5. Fire fighting measures
Flammability of the product : Non-flammable.
: Use an extinguishing agent suitable for surrounding fires.
Fire fighting media and
instructions
If involved in fire, shut off flow immediately if it can be done without risk. Apply water
from a safe distance to cool container and protect surrounding area.
No specific hazard.
: Fire fighters should wear appropriate protective equipment and self-contained breathing
Special protective
apparatus (SCBA) with a full facepiece operated in positive pressure mode.
equipment for fire-fighters
Section 6. Accidental release measures
: Immediately contact emergency personnel. Keep unnecessary personnel away. Use
Personal precautions
suitable protective equipment (Section 8). Shut off gas supply if this can be done safely.
Isolate area until gas has dispersed.
: Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains
Environmental precautions
and sewers.
Section 7. Handling and storage
: Do not puncture or incinerate container. High pressure gas. Use equipment rated for
Handling
cylinder pressure. Close valve after each use and when empty. Protect cylinders from
physical damage; do not drag, roll, slide, or drop. Use a suitable hand truck for cylinder
movement.
: Keep container tightly closed. Keep container in a cool, well-ventilated area. Cylinders
Storage
should be stored upright, with valve protection cap in place, and firmly secured to
prevent falling or being knocked over. Cylinder temperatures should not exceed 52 掳C
(125 掳F).
Section 8. Exposure Controls, Personal Protection
: Use only with adequate ventilation. If user operations generate dust, fumes, vapor or
Engineering controls
mist, use process enclosures, local exhaust ventilation, or other engineering controls to
keep worker exposure to airborne contaminants below any recommended or statutory
limits.
Personal protection
: Safety eyewear complying with an approved standard should be used when a risk
Eyes
assessment indicates this is necessary to avoid exposure to liquid splashes, mists or
dusts.
: Personal protective equipment for the body should be selected based on the task being
Skin
performed and the risks involved and should be approved by a specialist before handling
this product.
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Chlorodifluoromethane (Halocarbon 22)
: Use a properly fitted, air-purifying or air-fed respirator complying with an approved
Respiratory
standard if a risk assessment indicates this is necessary.Respirator selection must be
based on known or anticipated exposure levels, the hazards of the product and the safe
working limits of the selected respirator.
The applicable standards are (US) 29 CFR 1910.134 and (Canada) Z94.4-93
: Chemical-resistant, impervious gloves or gauntlets complying with an approved standard
Hands
should be worn at all times when handling chemical products if a risk assessment
indicates this is necessary.
Personal protection in case : A self-contained breathing apparatus should be used to avoid inhalation of the product.
of a large spill
Consult local authorities for acceptable exposure limits.
Section 9. Physical and chemical properties
86.47 g/mole
Molecular weight :
C-H-Cl-F2
Molecular formula :
-40.85掳C (-41.5掳F)
Boiling/condensation point :
-146.15掳C (-231.1掳F)
Melting/freezing point :
Not available.
Critical temperature :
123 psig
Vapor pressure :
3.07 (Air = 1)
Vapor density :
Specific Volume (ft 3/lb) 4.40529
:
Gas Density (lb/ft 3) 0.227
:
Not available.
Physical chemical :
comments
Section 10. Stability and reactivity
: The product is stable.
Stability and reactivity
: These products are halogenated compounds, hydrogen chloride, hydrogen fluoride.
Hazardous decomposition
products
Section 11. Toxicological information
: CARCINOGENIC EFFECTS A4 (Not classifiable for human or animal.) by ACGIH, 3
:
Chronic effects on humans
(Not classifiable for human.) by IARC.
Causes damage to the following organs: kidneys, liver, spleen, cardiovascular system,
upper respiratory tract, central nervous system (CNS).
: No specific information is available in our database regarding the other toxic effects of
Other toxic effects on
this material for humans.
humans
Specific effects
: May cause cancer based on animal data. Risk of cancer depends on duration and level
Carcinogenic effects
of exposure.
: No known significant effects or critical hazards.
Mutagenic effects
: No known significant effects or critical hazards.
Reproduction toxicity
Section 12. Ecological information
: These products are carbon oxides (CO, CO 2) and water, halogenated compounds.
Products of degradation
: The products of degradation are more toxic than the product itself.
Toxicity of the products of
biodegradation
: Not available.
Environmental fate
: No known significant effects or critical hazards.
Environmental hazards
: Not available.
Toxicity to the environment
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Chlorodifluoromethane (Halocarbon 22)
Section 13. Disposal considerations
Product removed from the cylinder must be disposed of in accordance with appropriate Federal, State, local
regulation.Return cylinders with residual product to Airgas, Inc.Do not dispose of locally.
Section 14. Transport information
Regulatory UN number Proper shipping Class Packing group Label Additional
information name information
CHLORODIFLUOROMETHANE
DOT Classification UN1018 2.2 Not applicable (gas). Limited
OR REFRIGERANT quantity
GAS R 22
NON-FLAMMABLE GAS
Yes.
2
Packaging
instruction
Passenger
Aircraft
Quantity
limitation: 75
kg
Cargo Aircraft
Quantity
limitation: 150
kg
Special
provisions
T50
CHLORODIFLUOROMETHANE;
TDG Classification UN1018 2.2 Not applicable (gas). Explosive
OR REFRIGERANT Limit and
GAS R 22 Limited
2
Quantity
Index
0.125
Passenger
Carrying
Road or Rail
Index
75
CHLORODIFLUOROMETHANE
UN1018 2.2 Not applicable (gas). -
Mexico
OR REFRIGERANT
Classification
GAS R 22
NON-FLAMMABLE GAS
2
Section 15. Regulatory information
United States
: TSCA 6 final risk management: chlorodifluoromethane
U.S. Federal regulations
TSCA 8(b) inventory: chlorodifluoromethane
SARA 302/304/311/312 extremely hazardous substances: No products were found.
SARA 302/304 emergency planning and notification: No products were found.
SARA 302/304/311/312 hazardous chemicals: chlorodifluoromethane
SARA 311/312 MSDS distribution - chemical inventory - hazard identification:
chlorodifluoromethane: Sudden Release of Pressure, Delayed (Chronic) Health Hazard
Clean Water Act (CWA) 307: No products were found.
Clean Water Act (CWA) 311: No products were found.
Clean air act (CAA) 112 accidental release prevention: No products were found.
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Chlorodifluoromethane (Halocarbon 22)
Clean air act (CAA) 112 regulated flammable substances: No products were found.
Clean air act (CAA) 112 regulated toxic substances: No products were found.
SARA 313
Product name CAS number Concentration
: Chlorodifluoromethane (Halocarbon 22) 75-45-6 100
Form R - Reporting
requirements
: Chlorodifluoromethane (Halocarbon 22) 75-45-6 100
Supplier notification
SARA 313 notifications must not be detached from the MSDS and any copying and redistribution of the MSDS shall
include copying and redistribution of the notice attached to copies of the MSDS subsequently redistributed.
: Pennsylvania RTK: chlorodifluoromethane: (generic environmental hazard)
State regulations
Massachusetts RTK: chlorodifluoromethane
New Jersey: chlorodifluoromethane
Canada
: Class A: Compressed gas.
WHMIS (Canada)
CEPA DSL: chlorodifluoromethane
Section 16. Other information
United States
: CONTENTS UNDER PRESSURE.
Label Requirements
CAUSES DAMAGE TO THE FOLLOWING ORGANS: KIDNEYS, LIVER, SPLEEN,
CARDIOVASCULAR SYSTEM, RESPIRATORY TRACT, CENTRAL NERVOUS
SYSTEM.
POSSIBLE CANCER HAZARD.
MAY CAUSE CANCER BASED ON ANIMAL DATA.
Canada
: Class A: Compressed gas.
Label Requirements
* 1
Hazardous Material : Health
Information System (U.S.A.)
0
Fire hazard
0
Reactivity
C
Personal protection
National Fire Protection :
Flammability
0
Association (U.S.A.)
1 0
Health Instability
Special
Notice to reader
To the best of our knowledge, the information contained herein is accurate. However, neither the above named
supplier nor any of its subsidiaries assumes any liability whatsoever for the accuracy or completeness of the
information contained herein.
Final determination of suitability of any material is the sole responsibility of the user. All materials may present
unknown hazards and should be used with caution. Although certain hazards are described herein, we cannot
guarantee that these are the only hazards that exist.
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