Material Safety Data Sheet
Toxic Nonflammable Gas Mixture: Chlorine 5.9-99% / Helium 1-94.1%
Section 1. Chemical product and company identification
: Toxic Nonflammable Gas Mixture: Chlorine 5.9-99% / Helium 1-94.1%
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.
Product use
: 002824
MSDS#
Date of : 4/5/2006.
Preparation/Revision
: 1-866-734-3438
In case of emergency
Section 2. Hazards identification
: Gas.
Physical state
: Danger!
Emergency overview
MAY BE FATAL IF INHALED.
CAUSES SEVERE RESPIRATORY TRACT, EYE AND SKIN BURNS.
CONTENTS UNDER PRESSURE.
CONTAINS MATERIAL WHICH CAUSES DAMAGE TO THE FOLLOWING ORGANS:
LUNGS, RESPIRATORY TRACT, SKIN, EYE, LENS OR CORNEA.
Do not get in eyes, on skin or clothing. Do not breathe gas. Do not puncture or
incinerate container. Keep container closed. Use only with adequate ventilation. Wash
thoroughly after handling.
Contact with rapidly expanding gases can cause frostbite.
: Inhalation,Dermal,Eyes
Routes of entry
Potential acute health effects
Severely corrosive to the eyes.
Eyes :
Severely corrosive to the skin.
Skin :
Very toxic by inhalation. Severely corrosive to the respiratory system.
Inhalation :
Ingestion is not a normal route of exposure for gases
:
Ingestion
CARCINOGENIC EFFECTS Classified A4 (Not classifiable for human or animal.) by
:
Potential chronic health :
ACGIH [Chlorine].
effects
MUTAGENIC EFFECTS Not available.
:
TERATOGENIC EFFECTS Not available.
:
: Repeated exposure to a highly toxic material may produce general deterioration of health
Medical conditions
aggravated by overexposure by an accumulation in one or many human organs.
See toxicological Information (section 11)
Section 3. Composition, Information on Ingredients
Name CAS number % Volume Exposure limits
Helium 7440-59-7 94.1 - 99
Chlorine 7782-50-5 5.9 - 99 ACGIH TLV (United States, 5/2004). Notes:
1996 Adoption Substances for which the
TLV is higher than the OSHA Permissible
Exposure Limit (PEL) and/or the NIOSH
Recommended Exposure Limit (REL). See
CFR 58(124) :36338-33351, June 30, 1993,
for revised OSHA PEL. Refers to Appendix
A -- Carcinogens.
STEL: 2.9 mg/m 3 15 minute(s). Form: All
forms
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Toxic Nonflammable Gas Mixture: Chlorine 5.9-99% / Helium 1-94.1%
STEL: 1 ppm 15 minute(s). Form: All forms
TWA: 1.5 mg/m 3 8 hour(s). Form: All forms
TWA: 0.5 ppm 8 hour(s). Form: All forms
NIOSH REL (United States, 6/2001).
CEIL: 1.45 mg/m 3 15 minute(s). Form: All
forms
CEIL: 0.5 ppm 15 minute(s). Form: All forms
OSHA PEL (United States, 6/1993).
CEIL: 3 mg/m 3 Form: All forms
CEIL: 1 ppm Form: All forms
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 immediately.
: In case of contact, immediately flush skin with plenty of water for at least 15 minutes
Skin contact
while removing contaminated clothing and shoes. Wash clothing before reuse.
Thoroughly clean shoes before reuse. Get medical attention immediately.
: Try to warm up the frozen tissues and seek medical attention.
Frostbite
: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is
Inhalation
difficult, give oxygen. Get medical attention immediately.
: 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 immediately.
Section 5. Fire fighting measures
Flammability of the product : Non-flammable.
: These products are halogenated compounds, hydrogen chloride.
Products of combustion
: 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.
Environmental precautions : Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains
and sewers.
Section 7. Handling and storage
: Do not get in eyes, on skin or on clothing. Keep container closed. Use only with
Handling
adequate ventilation. Do not puncture or incinerate container. Wash thoroughly after
handling. High pressure gas. Use equipment rated for 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 癈
(125 癋).
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Toxic Nonflammable Gas Mixture: Chlorine 5.9-99% / Helium 1-94.1%
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.
: 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 : Full chemical resistant suit and self-contained breathing apparatus only by trained and
authorized persons.
of a large spill
Consult local authorities for acceptable exposure limits.
Section 9. Physical and chemical properties
Not applicable.
Molecular weight :
Not applicable.
Molecular formula :
Not available.
Boiling/condensation point :
-101.11癈 (-150癋) based on data for: Chlorine. Weighted average: -186.68癈 (-304癋)
Melting/freezing point :
The lowest known value is 143.9癈 (291癋) (Chlorine).
Critical temperature :
The highest known value is 2.4 (Air = 1) (Chlorine). Weighted average: 1.27 (Air = 1)
Vapor density :
Specific Volume (ft3/lb) Not applicable.
:
Gas Density (lb/ft3) Weighted average: 0.02
:
Section 10. Stability and reactivity
: The product is stable.
Stability and reactivity
Incompatibility with various : Extremely reactive or incompatible with , combustible materials, organic materials,
alkalis.
substances
Hazardous decomposition : These products are halogenated compounds, hydrogen chloride.
products
Section 11. Toxicological information
Ingredient name Test Result Route Species
Chlorine LC50 293 ppm (1 hour Inhalation Rat
(s))
LC50 137 ppm (1 hour Inhalation Mouse
(s))
Chronic effects on humans : CARCINOGENIC EFFECTS Classified A4 (Not classifiable for human or animal.) by
:
ACGIH [Chlorine].
Contains material which causes damage to the following organs: lungs, upper respiratory
tract, skin, eye, lens or cornea.
: Hazardous in case of skin contact (irritant), of eye contact (irritant), of inhalation (lung
Other toxic effects on
irritant).
humans
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Toxic Nonflammable Gas Mixture: Chlorine 5.9-99% / Helium 1-94.1%
Specific effects
: No known significant effects or critical hazards.
Carcinogenic effects
: No known significant effects or critical hazards.
Mutagenic effects
: No known significant effects or critical hazards.
Reproduction toxicity
Section 12. Ecological information
Ingredient name Species Period Result
Chlorine Oncorhynchus mykiss (LC50) 96 hour(s) 0.014 mg/l
Oncorhynchus mykiss (LC50) 96 hour(s) 0.029 mg/l
Oncorhynchus mykiss (LC50) 96 hour(s) 0.132 mg/l
Oncorhynchus mykiss (LC50) 96 hour(s) 0.159 mg/l
Oncorhynchus mykiss (LC50) 96 hour(s) 0.192 mg/l
Oncorhynchus mykiss (LC50) 96 hour(s) 0.291 mg/l
: These products are halogenated compounds.
Products of degradation
: The products of degradation are less toxic than the product itself.
Toxicity of the products of
biodegradation
: Not available.
Environmental fate
: No known significant effects or critical hazards.
Environmental hazards
Toxicity to the environment : Not available.
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
DOT Classification UN1955 COMPRESSED GAS, 2.3 Not applicable (gas). Marine
TOXIC, N.O.S. pollutant
INHALATION
HAZARD
Marine
2
pollutant (P)
TDG Classification UN1955 COMPRESSED GAS, 2.3 Not applicable (gas). Marine
TOXIC, N.O.S. pollutant
Marine
2
pollutant (P)
Explosive
Limit and
Limited
Quantity
Index
0
ERAP Index
0
Passenger
Carrying Ship
Index
Forbidden
Passenger
Carrying
Road or Rail
Index
Forbidden
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Toxic Nonflammable Gas Mixture: Chlorine 5.9-99% / Helium 1-94.1%
UN1955 COMPRESSED GAS, 2.3 Not applicable (gas). -
Mexico
TOXIC, N.O.S.
Classification INHALATION
HAZARD
2
Section 15. Regulatory information
United States
: TSCA 8(a) CAIR: Chlorine
U.S. Federal regulations
TSCA 8(b) inventory: Helium; Chlorine
SARA 302/304/311/312 extremely hazardous substances: Chlorine
SARA 302/304 emergency planning and notification: Chlorine
SARA 302/304/311/312 hazardous chemicals: Helium; Chlorine
SARA 311/312 MSDS distribution - chemical inventory - hazard identification: Helium:
Sudden Release of Pressure; Chlorine: Fire hazard, Sudden Release of Pressure,
Immediate (Acute) Health Hazard
Clean Water Act (CWA) 307: No products were found.
Clean Water Act (CWA) 311: Chlorine
Clean air act (CAA) 112 accidental release prevention: Chlorine
Clean air act (CAA) 112 regulated flammable substances: No products were found.
Clean air act (CAA) 112 regulated toxic substances: Chlorine
SARA 313
Product name CAS number Concentration
: Chlorine 7782-50-5 5.9 - 99
Form R - Reporting
requirements
: Chlorine 7782-50-5 5.9 - 99
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: Helium: (generic environmental hazard); Chlorine: (environmental
State regulations
hazard, generic environmental hazard)
Massachusetts RTK: Helium; Chlorine
New Jersey: Helium; Chlorine
Canada
: Class A: Compressed gas.
WHMIS (Canada)
Class D-1A: Material causing immediate and serious toxic effects (VERY TOXIC).
Class D-2A: Material causing other toxic effects (VERY TOXIC).
Class E: Corrosive gas.
CEPA DSL: Helium; Chlorine
Section 16. Other information
United States
: MAY BE FATAL IF INHALED.
Label Requirements
CAUSES SEVERE RESPIRATORY TRACT, EYE AND SKIN BURNS.
CONTENTS UNDER PRESSURE.
CONTAINS MATERIAL WHICH CAUSES DAMAGE TO THE FOLLOWING ORGANS:
LUNGS, RESPIRATORY TRACT, SKIN, EYE, LENS OR CORNEA.
Canada
: Class A: Compressed gas.
Label Requirements
Class D-1A: Material causing immediate and serious toxic effects (VERY TOXIC).
Class D-2A: Material causing other toxic effects (VERY TOXIC).
Class E: Corrosive gas.
*3
Hazardous Material : Health
Information System (U.S.A.)
0
Fire hazard
0
Reactivity
C
Personal protection
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Toxic Nonflammable Gas Mixture: Chlorine 5.9-99% / Helium 1-94.1%
National Fire Protection :
Flammability
0
Association (U.S.A.)
3 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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