Material Safety Data Sheet
Chlorine
Section 1. Chemical product and company identification
: Chlorine
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
: bertholite; chloor (dutch); chlor (german); chlore (french); chlorine (dot); chlorine mol.; cloro
Synonym
(italian); molecular chlorine
: 001015
MSDS#
: 2/28/2008.
Date of
Preparation/Revision
: 1-866-734-3438
In case of emergency
Section 2. Hazards identification
: Gas. (GREENISH-YELLOW GAS WITH SUFFOCATING ODOR)
Physical state
: Danger!
Emergency overview
MAY BE FATAL IF INHALED.
CAUSES SEVERE RESPIRATORY TRACT, EYE AND SKIN BURNS.
OXIDIZER.
CONTENTS UNDER PRESSURE.
MAY CAUSE DAMAGE TO THE FOLLOWING ORGANS: LUNGS, RESPIRATORY
TRACT, SKIN, EYE, LENS OR CORNEA.
Contact with combustible material may cause fire.
Do not get in eyes, on skin or clothing. Do not breathe gas. Do not puncture or
incinerate container. Store in tightly closed container. Avoid contact with combustible
materials. 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 A4 (Not classifiable for human or animal.) by ACGIH.
:
Potential chronic health :
MUTAGENIC EFFECTS Not available.
:
effects
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
Chlorine 7782-50-5 100 ACGIH TLV (United States, 1/2007).
STEL: 1 ppm 15 minute(s).
TWA: 0.5 ppm 8 hour(s).
NIOSH REL (United States, 12/2001).
CEIL: 0.5 ppm 15 minute(s).
OSHA PEL (United States, 11/2006).
CEIL: 1 ppm
ACGIH TLV (United States, 1/2007).
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Chlorine
STEL: 2.9 mg/m 3 15 minute(s).
TWA: 1.5 mg/m 3 8 hour(s).
NIOSH REL (United States, 12/2001).
CEIL: 1.45 mg/m 3 15 minute(s).
OSHA PEL (United States, 11/2006).
CEIL: 3 mg/m 3
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.
: Use an extinguishing agent suitable for surrounding fires.
Fire fighting media and
instructions
This material increases the risk of fire and may aid combustion. Contact with
combustible material may cause fire.
: 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. Eliminate all ignition sources. Keep
Personal precautions
unnecessary personnel away. Use suitable protective equipment (Section 8). Do not
touch or walk through spilled material.
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. Store in tightly closed container. Avoid contact with combustible
materials. 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 掳C
(125 掳F).
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Chlorine
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
Product name
chlorine ACGIH TLV (United States, 1/2007).
STEL: 1 ppm 15 minute(s).
TWA: 0.5 ppm 8 hour(s).
NIOSH REL (United States, 12/2001).
CEIL: 0.5 ppm 15 minute(s).
OSHA PEL (United States, 11/2006).
CEIL: 1 ppm
ACGIH TLV (United States, 1/2007).
STEL: 2.9 mg/m 3 15 minute(s).
TWA: 1.5 mg/m 3 8 hour(s).
NIOSH REL (United States, 12/2001).
CEIL: 1.45 mg/m 3 15 minute(s).
OSHA PEL (United States, 11/2006).
CEIL: 3 mg/m 3
Consult local authorities for acceptable exposure limits.
Section 9. Physical and chemical properties
70.9 g/mole
Molecular weight :
Cl2
Molecular formula :
-33.9掳C (-29掳F)
Boiling/condensation point :
-101.1掳C (-150掳F)
Melting/freezing point :
143.9掳C (291掳F)
Critical temperature :
85.3 psig
Vapor pressure :
2.4 (Air = 1)
Vapor density :
Specific Volume (ft3/lb) 5.40541
:
Gas Density (lb/ft3) 0.185
:
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Chlorine
Section 10. Stability and reactivity
: The product is stable.
Stability and reactivity
Incompatibility with various : Extremely reactive or incompatible with reducing agents, combustible materials, organic
materials, alkalis.
substances
Hazardous decomposition : These products are halogenated compounds, hydrogen chloride.
products
Section 11. Toxicological information
Toxicity data
Ingredient name Test Result Route Species
Chlorine LC50 293 ppm (1 hour Inhalation Rat
(s))
LC50 137 ppm (1 hour Inhalation Mouse
(s))
: 10 ppm
IDLH
Chronic effects on humans : CARCINOGENIC EFFECTS A4 (Not classifiable for human or animal.) by ACGIH.
:
May cause 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
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
Ecotoxicity data
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
: Very toxic to aquatic organisms.
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.
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Chlorine
Section 14. Transport information
Regulatory UN number Proper shipping Class Packing group Label Additional
information name information
DOT Classification UN1017 CHLORINE. Marine 2.3 Not applicable (gas). Marine
pollutant (chlorine) pollutant
INHALATION
HAZARD
Marine
2
pollutant (P)
Reportable
CORROSIVE
quantity
8
10 lbs. (4.536
kg)
Limited
quantity
Yes.
Packaging
instruction
Passenger
Aircraft
Quantity
limitation:
Forbidden.
Cargo Aircraft
Quantity
limitation:
Forbidden.
Special
provisions
2, B9, B14,
T50, TP19
TDG Classification UN1017 CHLORINE. Marine 2.3 Not applicable (gas). Marine
pollutant (chlorine) pollutant
Marine
2
pollutant (P)
Explosive
Limit and
8
Limited
Quantity
Index
0
ERAP Index
500
Passenger
Carrying Ship
Index
Forbidden
Passenger
Carrying
Road or Rail
Index
Forbidden
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Chlorine
UN1017 CHLORINE. Marine 2.3 Not applicable (gas). -
Mexico
pollutant (chlorine)
Classification INHALATION
HAZARD
2
CORROSIVE
8
Section 15. Regulatory information
United States
: TSCA 8(a) CAIR: chlorine
U.S. Federal regulations
TSCA 8(b) inventory: 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: chlorine
SARA 311/312 MSDS distribution - chemical inventory - hazard identification: 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 7782-50-5 100
Form R - Reporting
requirements
: Chlorine 7782-50-5 100
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: chlorine: (environmental hazard, generic environmental hazard)
State regulations
Massachusetts RTK: chlorine
New Jersey: chlorine
Canada
: Class A: Compressed gas.
WHMIS (Canada)
Class D-1A: Material causing immediate and serious toxic effects (VERY TOXIC).
Class E: Corrosive gas.
CEPA DSL: chlorine
Section 16. Other information
United States
: MAY BE FATAL IF INHALED.
Label Requirements
CAUSES SEVERE RESPIRATORY TRACT, EYE AND SKIN BURNS.
OXIDIZER.
CONTENTS UNDER PRESSURE.
MAY CAUSE DAMAGE TO THE FOLLOWING ORGANS: LUNGS, RESPIRATORY
TRACT, SKIN, EYE, LENS OR CORNEA.
CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE.
Canada
: Class A: Compressed gas.
Label Requirements
Class D-1A: Material causing immediate and serious toxic effects (VERY TOXIC).
Class E: Corrosive gas.
*4
Hazardous Material : Health
Information System (U.S.A.)
0
Fire hazard
0
Reactivity
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Chlorine
C
Personal protection
National Fire Protection :
Flammability
0
Association (U.S.A.)
4 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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