Chlorine
MATERIAL SAFETY DATA SHEET
ASHTA Chemicals Inc. P.O. Box 858 Ashtabula, OH 44004 (440) 997-5221
CHLORINE LIQUI
CHEMTREC:(800) 424-9300
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SECTION I MATERIAL IDENTIFICATION
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CHEMICAL NAME: Chlorine C.A.S. NO.:
7782-50-5
TRADE NAME: Chlorine, Compressed Chlorine FIFRA: #21139-1
SYNONYMS: Liquid Chlorine SARA 312/313: Yes
CHEMICAL FORMULA: Cl2 CERCLA: Yes
CHEMICAL FAMILY: Halogen TSCA INVENTORY: Yes
N.F.P.A. REGISTRY: 3-0-0-OXY HMIS: 3-0-0-G
LABELING: Poison gas, corrosive REPORTABLE QUANTITY: 10 Lbs.
WHMIS: 1% OSHA PSM: 1500 lbs
D.O.T. IDENTIFICATION NO.: UN 1017 D.O.T. LISTED:Marine Pollutant
D.O.T. SHIPPING NAME: Chlorine D.O.T. HAZARD GUIDE: #124
D.O.T. HAZARD CLASS: 2.3 PLACARD: UN 1017
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SECTION II INGREDIENTS AND HAZARDS
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PRINCIPAL COMPONENT: Chlorine PERCENT: Essentially 100%
HAZARDOUS MIXTURES OF OTHE
LIQUIDS, SOLIDS OR GASES: Chlorine is one of the chemical elements. This substance can be
absorbed into the body by inhalation and is corrosive to the eyes, skin
and respiratory tract. Serious cases may be fatal.
ADDITIONAL INFORMATION: ACGIH TLV = 0.5 PPM (TWA), 1 PPM STEL
OSHA PEL = 1 PPM
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SECTION III PHYSICAL DATA
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BOILING POINT: -29.3??F or -34.0??C pH: Non-aqueous
SPECIFIC GRAVITY (H2O=1): Liquid At 0??C = 1.467
VAPOR PRESSURE (PSIG): At 70??F = 85.3 VAPOR DENSITY (Air = 1): 2.49
APPEARANCE/ODOR: Gas is greenish yellow, liquid is amber. Odor is suffocating, pungent,
irritating.
PERCENT VOLATILE BY VOLUME: 100%
EVAPORATION RATE: Contingent on rate of heat absorption.
SOLUBILITY IN WATER: (About 0.7%)
FREEZE/SOLIDIFICATION TEMP: -149.8??F or -101??C
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SECTION IV FIRE AND EXPLOSION DATA
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FLASH POINT (METHOD): None.
EXTINGUISHING MEDIA: Suitable for surrounding fire.
AUTO IGNITION TEMP: Non-combustible.
SPECIAL FIRE FIGHTING PROCEDURES: Remove containers from fire zone if possible, except if chlorine is
leaking. In presence of chlorine use self contained breathing apparatus
and fire fighter turnout clothing.
UNUSUAL FIRE/EXPLOSION HAZARDS: Many metals ignite in the presence of chlorine, for example, steel at
about 485??F, titanium on contact with dry chlorine. It may react to
cause fire and/or explosion on contact with organics like turpentine,
penetrating oil, etc. Also with ether, ammonia, hydrocarbons, and fine
particles of metals.
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SECTION IV FIRE AND EXPLOSION DATA, cont??d
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ADDITIONAL INFORMATION: Many reactions may cause fire (possibly with explosion). Avoid
contact with combustibles, in particular hydrogen, acetylene, light
organics and ammonia. Chlorine cylinders and ton containers are
equipped with fusible plugs that melt at about 158??F.
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SECTION V HEALTH HAZARD DATA
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OSHA PERMISSIBLE EXPOSURE LIMIT: ( C ) 1 PPM
ACGIH THRESHOLD LIMIT VALUE: 0.5 PPM (8 Hour TWA)
IARC/NTP CARCINOGEN: Not listed.
MUTAGENIC: Not reported.
TERATOGENIC: Not reported.
REPRODUCTIVE TOXICITY: Studies show no effects on rats and rabbits exposed to chlorine.
MEDICAL CONDITION(S)
AGGRAVATED BY EXPOSURE: Emphysema, bronchitis, asthma and other respiratory diseases.
PRIMARY ROUTES OF EXPOSURE: Inhalation, skin.
TARGET ORGANS: Respiratory system.
EFFECTS OF EXPOSURE :
INHALATION: Symptoms vary from mild irritation with coughing and labored
breathing to possible death from suffocation.
SKIN: Liquid and gas are capable of causing a burn.
EYES: Liquid and gas are capable of causing a burn.
INGESTION: Not likely a problem because it is a gas at room temperature.
EMERGENCY FIRST AID:
INHALATION: Remove from contaminated area. If breathing has ceased, start
artificial respiration at once. Obtain medical assistance.
SKIN: Remove contaminated clothing under shower.
EYES: Immediate flush with water at least 15 minutes. Use no oils or chemical
neutralizers. Obtain medical assistance promptly.
INGESTION: Not a likely occurrence. Vomiting should be induced.
ADDITIONAL INFORMATION: One study which involved exposures to humans to 0.5 PPM for 8 hours
and 1.0 PPM for 4 hours caused transient decreased pulmonary
capacity as measured by pulmonary function tests.
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SECTION VI REACTIVITY DATA
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STABILITY:. Stable under normal conditions.
CONDITIONS TO AVOID: Moisture in chlorine handling systems. Excessive heat or fire in storage
areas, above 485??F.
INCOMPATIBILITY: Chlorine reacts as an oxidizer with most organic materials (except
those fully halogenated) at room temperature. It reacts with many
metals at elevated temperatures. Dry chlorine will react with titanium
and aluminum. Wet chlorine is corrosive to most metals except
titanium.
HAZARDOUS DECOMPOSITION PRODUCTS: Cannot decompose.
POLYMERIZATION: Will not polymerize.
CONDITIONS TO AVOID: Wet chlorine contact with most metals (except titanium).
ADDITIONAL INFORMATION: Handle chlorine with full regard to its pressure characteristics.
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SECTION VII ENVIRONMENTAL PROTECTION PROCEDURES
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SPILL RESPONSE: Follow preplanned emergency procedures. Only properly equipped, trained,
functional personnel should attempt to contain a leak. All other personnel
should be evacuated from the danger area. Using full protective equipment,
apply emergency kit device or other securement technology to stop the leak.
Report spills as required to appropriate government authorities. For assistance
call Chemtrec (800) 424-9300 or supplier.
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SECTION VII ENVIRONMENTAL PROTECTION PROCEDURES, cont??d
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WASTE DISPOSAL METHODS: Chlorine gas will disperse to the atmosphere leaving no residue. Neutralizing
chemicals are caustic soda solutions, soda ash solutions and lime solutions.
PROTECTIVE EQUIPMENT: Requires NIOSH approved self-contained breathing apparatus and may
require a fully encapsulated suit.
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SECTION VIII SPECIAL PROTECTION INFORMATION
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EYE PROTECTION: Splash goggles or full face gas mask.
RESPIRATORY PROTECTION: NIOSH- approved acid gas chemical cartridge respirator or full face with
canister - within allowable limits. For unknown concentrations use approved
self-contained breathing apparatus.
OTHER PROTECTION: For exposure to high concentrations of liquid chlorine full body protection
(chemical suit) is required. In the open and/or fire situations, fireman's turn-
out clothing is recommended. In light concentrations, one piece tyvek suit
sealed at the neck, wrists, and ankles is functional.
VENTILATION RECOMMENDED: Sufficient to control below TLV or PEL. Chlorine will collect at the floor or
ground level. Exhaust systems must be designed accordingly. Absorption or
scrubber systems are recommended.
GLOVE TYPE RECOMMENDED: Non-porous, i.e. neoprene, butyl or viton.
ADDITIONAL INFORMATION: Do not attempt to handle chlorine without previous training in respiratory
equipment for toxic gases.
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SECTION IX SPECIAL PRECAUTIONS
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HYGIENIC PRACTICES IN HANDLING
AND STORING: Avoid inhalation of vapors and body contact as body moisture will form a weak
acid.
PRECAUTIONS TO BE TAKEN FOR Do not attempt to handle, store, or use chlorine without complete review of the
HANDLING AND STORING: Chlorine Institute's chlorine manual or formal training. Chlorine systems and
support systems must be kept free of organics, clean, dry (free of moisture) and
protected from fire. Proper selection of materials of construction of a chlorine
system is critical to safety.
PRECAUTIONS FOR REPAIR AN
MAINTENANCE OF CONTAMINATE
EQUIPMENT: Purge free of chlorine.
OTHER PRECAUTIONS: Obtain medical assistance promptly after exposure. Preplanning for
emergencies and training of personnel is essential to safe handling.
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SECTION X TRANSPORTATION
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USUAL SHIPPING CONTAINERS: Steel tank cars, tank trucks, ton containers, 100 and 150 pound cylinders.
USUAL SHELF LIFE: Unlimited.
STORAGE/TRANSPORT TEMPS: Ambient.
SUITABLE STORAGE
MATERIALS/COATINGS: Steel.
UNSUITABLE: Titanium, chrome, aluminum and reactive metals.
OTHER INFORMATION: To activate a Chlorine Emergency Response Team, call Chemtrec
800-424-9300.
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SECTION XI ADDITIONAL INFORMATION
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Chlorine is shipped as a dry compressed gas in steel containers. Local heating
of this equipment (above 485 EF) can result in a chlorine-iron fire from the
inside of the container, resulting in sudden release of contents. To assist
exposure victims, avoid further exposure by removal of saturated clothing and
protection of the respiratory system by continuous supply of air or oxygen by
mask. Keep patient half upright and warm. Get prompt medical attention.
There is no known antidote for chlorine, however, inhalation of moisture with
fresh air as from a household vaporizer expedites recovery for inhalation
victims.
CHRONIC TOXICITY: Rhesus monkeys exposed to concentrations to 2 PPM for 6 hours a day, 5 days
a week for one year did not exhibit any signs of chronic toxicity.
REVIEWED: 03/06 (No changes made)
SUPERSEDES: 11/03 (Added WHMIS percentage, OSHA PSM Threshold Quantity)
THIS INFORMATION IS DRAWN FROM RECOGNIZED SOURCES BELIEVED TO BE RELIABLE. ASHTA Chemicals
Inc. MAKES NO GUARANTEES OR ASSUMES ANY LIABILITY IN CONNECTION WITH THIS INFORMATION. THE
USER SHOULD BE AWARE OF CHANGING TECHNOLOGY, RESEARCH, REGULATIONS, AND ANALYTICAL
PROCEDURES THAT MAY REQUIRE CHANGES HEREIN. THE ABOVE DATA IS SUPPLIED UPON THE CONDITION
THAT PERSONS WILL EVALUATE THIS INFORMATION AND THEN DETERMINE ITS SUITABILITY FOR THEI
USE. ONLY U.S.A. REGULATIONS APPLY TO THE ABOVE.
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Recommended suppliers